| Acronym/Abbreviation | Definition |
|---|---|
| 18-OHB | 18-hydroxycorticosterone |
| 5-HT[3] | 5-hydroxytryptamine-3 |
| 6-TGN | 6-thioguanine |
| AA | African American |
| AAA | abdominal aortic aneurysm |
| AACC | acute angle-closure crisis |
| AAFP | American Academy of Family Physicians |
| AAN | Academy of Neurology |
| AAN | American Academy of Neurology |
| AAP | abiraterone with prednisone or prednisolone |
| AAP | American Academy of Pediatrics |
| AAS | androgenic-anabolic steroid |
| AASLD | American Association for the Study of Liver Diseases |
| AATS | American Association for Thoracic Surgery |
| ABC | abacavir |
| ABCs | airway |
| ABG | arterial blood gas |
| ABI | Ankle brachial index |
| ABI | ankle-brachial index |
| ABLC | amphotericin B lipid complex |
| ABPA | allergic bronchopulmonary aspergillosis |
| ABR | auditory brainstem response |
| ABRS | acute bacterial rhinosinusitis |
| Abs | antibodies |
| ABSSSI | acute bacterial skin and skin structure infections |
| abx | antibiotics |
| AC | allergic conjunctivitis |
| AC | alternating current |
| AC | anterior chamber |
| ac | before meal |
| AC | before meals |
| ACC | adrenocortical carcinoma |
| ACC | American College of Cardiology |
| ACCF | American College of Cardiology Foundation |
| ACD | Allergic contact dermatitis |
| ACE | Angiotensin converting enzyme |
| ACE | angiotensin-converting enzyme |
| ACE | angiotensin-converting-enzyme |
| ACE | asymptomatic cerebral embolism |
| ACEI | Angiotensin-converting enzyme inhibitor |
| ACHD | adult congenital heart disease |
| AChR | acetylcholine receptor |
| ACIP | Advisory Committee on Immunization Practices |
| ACIP | Advisory Committee on Immunization Practices (CDC) |
| ACLS | advanced cardiac life support |
| ACLS | advanced cardiovascular life support |
| ACOG | American Congress of Obstetricians and Gynecologists |
| ACP | Advance Care Planning |
| ACQ | Asthma Control Questionnaire |
| ACR | albumin-to-creatinine ratio |
| ACR | American College of Rheumatology |
| ACS | acute coronary syndrome |
| ACT | activated clotting time |
| ACT | Assertive community treatment |
| ACT | Asthma Control Test |
| ACTH | adrenocorticotropic hormone |
| AD | Alzheimer's Disease |
| AD | Atopic dermatitis |
| ADA | Adenosine deaminase |
| ADA | American Diabetes Association |
| ADA | Americans with Disabilities Act |
| ADA | With Disabilities Act |
| ADABG | blood glucose |
| ADAG | A1C-derived average glucose |
| ADHERE | Acute Decompensated Heart Failure National Registry |
| ADI | acceptable daily intake |
| ADL | activities of daily living |
| ADM | adalimumab |
| ADR | adverse drug reaction |
| ADRDA | Alzheimer's Disease and Related Disorders Association |
| ADT | Androgen Deprivation Therapy |
| ADV | adefovir |
| ADX | adrenalectomy |
| AE | adverse event |
| AE | angioedema |
| AED | antiepileptic drug |
| AED | automated external defibrillator |
| AER | albumin excretion rate |
| AERD | aspirin-exacerbated respiratory disease |
| AETC | AIDS Education and Training Centers |
| AF | atrial fibrillation |
| AF/AFL/AT | atrial fibrillation/atrial flutter/atrial tachycardia |
| AFB | Acid-fast bacilli |
| AFP | alpha fetoprotein |
| AFP | alphafetoprotein |
| AGA | American Gastroenterological Association |
| AGA | American Gastroenterological Association Institute |
| AGEP | acute generalized exanthematous pusulosis |
| AGL | acquired generalized lipodystrophy |
| AH50 | Alternative pathway complement hemolysis 50% |
| AHA | American College of Cardiology/American Heart Association |
| AHA | American Heart Association |
| AHCPR | Health Care Policy and Research |
| AHI | apnea hypopnea index |
| AHNMD | ssociated with lymphoproliferative disorders |
| AHR | airway hyperresponsiveness |
| AI | adequate intake |
| AI | adrenal insufficiency |
| AI | American Indian |
| AI | aromatase inhibitor |
| AIDP | Acute Inflammatory Demyelinating Polyneuropathy |
| AIDS | acquired immune deficiency syndrome |
| AIDS | Acquired Immunodeficiency Syndrome |
| AIE | auto-injectable epinephrine |
| AIMS | abnormal involuntary movement scale |
| AIOD | aortoiliac occlusive disease |
| AIP | aryl hydrocarbon receptor interacting protein |
| AIT | allergen immunotherapy |
| AIT | amiodarone-induced thyrotoxicosis |
| AJC | active joint count |
| AJCC | American Joint |
| AJCC | American Joint Committee on Cancer |
| AKI | acute kidney injury |
| Al | aluminum |
| ALA | alpha lipoic acid |
| ALA | linolenic acid |
| ALA | omega-3 linolenic acid |
| ALF | Acute Liver Failure |
| ALI | acute limb ischemia |
| ALK | anaplastic lymphoma kinase |
| ALKP | alkaline Phosphatase |
| ALND | axillary lymph node dissection |
| alpha-gal | galactose-a-1 |
| ALPS | Autoimmune lymphoproliferative syndrome |
| ALS | amyotrophic lateral sclerosis |
| ALT | alanine aminotransferase |
| ALT | alanine transaminase |
| AM | before noon |
| AMA-PCPI | American Medical Association-Physician Consortium for Performance Improvement |
| AmB | amphotericin B |
| AmBd | amphotericin B deoxycholate |
| AMD | age-related macular degeneration |
| AMH | anti-Muellerian hormone |
| AMI | acute myocardial infarction |
| AML | acute myeloid leukemia |
| amox | amoxicillin |
| AMP | adenosine monophosphate |
| AN | Alaska Native |
| ANA | anti-nuclear antibody |
| ANA | antinuclear antibodies |
| ANA | antinuclear antibody |
| ANC | absolute neutrophil |
| ANC | absolute neutrophil count |
| ANCA | anti-neutrophil cytoplasmic antibodies |
| ANNA-1 | Anti-Neuronal Nuclear Antibody 1 |
| anti-HBc | antibody to hepatitis B total core antigen |
| anti-HBc | hepatitis B core antibody |
| anti-HBe | antibody to hepatitis B e antigen |
| anti-HBs | antibodies to hepatitis B surface antigen |
| anti-HBs | hepatitis B surface antibody |
| anti-TNF | anti-tumor necrosis factor |
| anti-VEGF | anti-vascular endothelial growth factor |
| AOE | Acute otitis externa |
| AOM | acute otitis media |
| AOR | adjusted odds ratio |
| AP | Acute pancreatitis |
| AP | allergic proctocolitis |
| APA | aldosterone-producing adenoma |
| APECED | Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy |
| APL | acquired partial lipodystrophy |
| aPL | antiphospholipid antibodies |
| APO | apolipoprotein |
| ApoB | apolipoprotein B |
| APOL1 | Apolipoprotein L1 |
| APRS | Academic Performance Rating Scale |
| APS | American Pain Society |
| APST | autologous plasma skin test |
| APT | atopy patch test |
| aPTT | activated partial thromboplastic time |
| aPTT | activated partial thromboplastin time |
| AR | Allergic rhinitis |
| AR | aortic regurgitation |
| ARB | angiotensin II receptor blocker |
| ARB | angiotensin receptor blocker |
| ARB | angiotensin receptor blockers |
| ARB | angiotensin-receptor blocker |
| ARBs | angiotensin II type 1 receptor blockers |
| ARDS | acute respiratory distress syndrome |
| AREDS | Age-Related Eye Disease Study |
| ARF | acute respiratory failure |
| ARIC | Atherosclerosis Risk in Communities |
| ARNI | angiotensin receptor neprilysin inhibitor |
| ARNI | angiotensin receptor-neprilysin inhibitor |
| ARR | aldosterone-to-renin ratio |
| ARS | acute rhinosinusitis |
| ART | antiretroviral therapy |
| ARV | antiretroviral |
| AS | active surveillance |
| AS | ankylosing spondylitis |
| AS | aortic stenosis |
| ASA | aspirin |
| ASA | Society of Anesthesiologists |
| ASA | Society of Anethesiologists |
| ASAM | American Society of Addiction Medicine |
| ASAM | Society of Addiction Medicine |
| ASAP | as soon as possible |
| ASB | catheter-associated asymptomatic bacteriuria |
| ASCO | American Society of Clinical Oncology |
| ASCVD | atherosclerotic cardiovascular disease |
| ASH | American Society of Hematology |
| ASMA | anti-smooth muscle antibodies |
| ASP | antibiotic stewardship program |
| ASP | Average Sales Price |
| ASPAN | American Society of PeriAnesthesia Nurses |
| ASPECTS | Alberta Stroke Program Early Computed Tomography Score |
| ASPs | antibiotic stewardship programs |
| ASST | autologous serum skin test |
| AST | Active surveillance testing |
| AST | alanine serum transferase |
| AST | aspartate aminotranserase |
| AST | aspartate aminotransferase |
| AT | Ataxia-telangiectasia |
| AT | Atrial tachycardia |
| ATA | American Thyroid Association |
| ATA | Association Largest tinnitus |
| ATC | anaplastic thyroid carcinoma |
| ATG | anti-thymocyte globulin |
| ATP | Adult Treatment Panel |
| ATP | antitachycardia pacing |
| ATS | American Thoracic Society |
| ATV | atazanavir |
| ATV/c | cobicistat-boosted atazanavir |
| ATV/r | ritonavir-boosted atazanavir |
| AUA | America Urological Association |
| AUA | American Urologic Association |
| AUC | area under the curve |
| AUC | area under the time vs. serum concentration curve |
| AUD | Alcohol Use Disorder |
| AUS/FLUS | atypia of undetermined significance/follicular lesion of undetermined significance |
| AV | arteriovenous |
| AV | atrioventricular |
| AVA | aortic valve area |
| AVAi | aortic valve area indexed to body surface area |
| AVNRT | atrioventricular nodal reentrant tachycardia |
| AVR | (open) aortic valve replacement |
| AVR | aortic valve replacement |
| AVRT | atrioventricular reentrant tachycardia |
| AVS | adrenal venous sampling |
| AZA | azathioprene |
| AZA | azathioprine |
| b-HB | b-hydroxybutyrate |
| b2 | beta agonist |
| BAH | bilateral adrenal hyperplasia |
| BAL | and bronchoalveolar lavage |
| BAL | bronchoalveolar lavage |
| BAS | Bile Acid Sequestrants |
| BCG | Bacillus Calmette-Guerin |
| BCLC | Barcelona Clinic Liver Cancer |
| BCS | breast-conserving surgery |
| BCVA | best corrected visual acuity |
| BDD | Body Dysmorphic Disorder |
| BDNF | brain-derived neurotrophic factor |
| BG | blood glucose |
| BIC | bictegravir |
| BiCROS | bilateral contralateral routing of signal |
| bid | twice a day |
| bid | twice daily |
| bid | two times a day |
| BIPAP | bilevel positive airway pressure |
| BiVAD | biventricular assist device |
| BLT | bow and lean test |
| BM | bone marrow |
| BMA | bone-modifying agents |
| BMAH | bilateral macronodular adrenal hyperplasia |
| BMD | bone mineral density |
| BMI | Body mass index |
| BMI | body mass index (kg/m2) |
| BMS | bare-metal stent |
| BMT | bone marrow transplant |
| BNP | B-type natriuretic peptide |
| BNP | brain natriuretic peptide |
| BP | blood pressure |
| bpm | beats per minute |
| BPPV | Benign Paroxysmal Position Vertigo |
| BPPV | benign paroxysmal positional vertigo |
| BPRS | Brief Psychiatric Rating Scale |
| Bq | Becquerel |
| BR | Response Biochemical |
| BS | blood sugar |
| BSA | body surface area |
| BSFS | Bristol Stool Form Scale |
| BTE | Behind the Ear |
| BTK | Bruton tyrosine kinase |
| BTT | bridge to transplantation |
| BTxB | botulinum toxin type B |
| BU | Bethesda Unit |
| BUN | blood urea nitrogen |
| Bx | biopsy |
| BZA | bazedoxifene |
| C | cholesterol |
| C | cornea |
| C&S | culture and sensitivity |
| C282Y | Cys282Tyr mutation |
| Ca | calcium |
| CA | community-associated |
| CA-MRSA | community-acquired MRSA[ |
| CA-MRSA | community-associated methicillin-resistant Staphylococcus aureus |
| CA-MRSA | community-associated MRSA[ |
| CA-UTI | catheter-associated urinary tract infection |
| CABG | coronary artery bypass graft |
| CABG | coronary artery bypass grafting |
| CAC | coronary artery calcium |
| CaCO3 | Calcium carbonate |
| CAD | coronary artery disease |
| CAH | Congenital adrenal hyperplasia |
| CAM | complementary and alternative medicine |
| CAN | cardiovascular autonomic neuropathy |
| CAP | American Society of Clinical Oncology and College of American Pathologists |
| CAP | community-acquired pneumonia |
| CAPD | chronic ambulatory peritoneal dialysis |
| CAPS | Cryopyrin-associated periodic syndrome |
| CARD | Caspase recruitment domain |
| cART | combination antiretroviral therapy |
| CAS | carotid angioplasty and stenting |
| CAS | carotid artery stenting |
| CASP10 | Caspase 10 |
| CASP8 | Caspase 8 |
| CASPR | California Acute Stroke Pilot Registry |
| CB | ciliary body with ciliary processes |
| CBA | colistin-base activity |
| CBC | complete blood cell count |
| CBC | complete blood count |
| CBG | corticosteroid binding globulin |
| CBT | Cognitive behavior therapy |
| CBT | cognitive behavioral therapy |
| CBZ | carbamazepine |
| CC | chronic constipation |
| CCA | common carotid artery |
| CCB | calcium channel blocker |
| CCH | Cell hyperplasia |
| CCO | Cancer Care Ontario |
| CCP | Cyclic citrullinated peptide |
| CCP | cyclic citrullinated peptides |
| CCPA | Chronic Cavitary Pulmonary Aspergillosis |
| CCR5 | C chemokine receptor type 5 |
| CCR5 | CC chemokine receptor 5 |
| CCS | Canadian Cardiovascular Society |
| CCT | captopril challenge test |
| CCTA | cardiac computed tomography angiography |
| CCTA | coronary CT angiography |
| CCTA | coronary/cardiac computed tomography angiography |
| CCW | Chronic Condition Warehouse |
| CD | Crohn's disease |
| CD | Cushing's disease |
| CD20i | CD20 inhibitor |
| CD4 | CD4 T lymphocyte |
| CD40L | CD40 ligand |
| CD45 | protein tyrosine phosphatase receptor type C |
| CDAI | Clinical Disease Activity Index |
| CDC | Center for Disease Control |
| CDC | Centers for Disease Control and Prevention |
| CDI | Clostridium difficile infection |
| cDMARDs | conventional disease modifying anti-rheumatic drugs |
| CE | carcinoembryonic antigen |
| CEA | After carotid endarterectomy |
| CEA | carcinoembryonic antigen |
| CEA | carotid endarterectomy |
| CEAP | Clinical Class |
| CEE | conjugated equine estrogens |
| CEP17 | centromeric probe for chromosome 17 |
| CETP | cholesteryl ester transfer protein |
| cf | continuous flow |
| CF | cystic fibrosis |
| CFA | common femoral artery |
| CFHR | Complement factor H-related protein |
| CFRD | cystic fibrosis-related diabetes |
| cfu | colony-forming units |
| CFU/g | colony-forming units per gram of tissue |
| CGD | chronic granulomatous disease |
| CGL | congenital generalized lipodystrophy |
| CGM | continuous glucose monitoring |
| CH | Cluster headache |
| CH50 | Classical pathway complement hemolysis 50% |
| CH50 | total hemolytic complement |
| CHA2DS2-VASc | Congestive heart failure |
| CHAARTED | Chemohormonal Androgen Ablation Randomized Trial |
| CHADS2 | Congestive heart failure |
| CHARGE | Coloboma |
| CHARM | Candesartan in Heart Failure: Assessment of Reduction in Mortality and Morbidity |
| CHD | congenital heart disease |
| CHD | coronary heart disease |
| ChEI | cholinesterase inhibitor |
| CHEST | American College of Chest Physicians |
| CHEST | The American College of Chest Physicians |
| CHF | congestive heart failure |
| CHH | Cartilage-hair hypoplasia |
| CHL | conductive hearing loss |
| CHO | carbohydrate |
| CHS | Cardiovascular Health Study |
| CHS | Chediak-Higashi syndrome |
| CI | confidence interval |
| Ci | curie |
| CIC | in the Canal |
| CID | Combined immunodeficiency |
| CIDT | culture independent diagnostic testing |
| CIED | cardiac implantable electronic device |
| CIED | cardiovascular implantable electronic device |
| CII | continuous [40]*insulin infusion |
| CIMT | carotid intima-media thickness |
| CIN | cervical intraepithelial dysplasia |
| CINCA | Chronic infantile neurocutaneous articular |
| CIS | carcinoma in situ |
| CISNE | Clinical Index of Stable Febrile Neutropenia |
| CIU | chronic idiopathic urticaria |
| CK | creatine kinase |
| CK-MB | creatine kinase myocardial isoenzyme |
| CK-MB | creatine kinase-MB[ |
| CKD | chronic kidney disease |
| CKD-EPI | Chronic Kidney Disease Epidemiology Collaboration |
| Cl | chloride |
| CL | Cutaneous Leishmaniasis |
| CLA | cutaneous lichen amyloidosis |
| CLABSI | central line-associated blood stream infections |
| ClCr | creatinine clearance |
| CLEC7A | C-type lectin domain family 7 |
| CLI | critical limb ischemia |
| CLIA | Clinical Laboratory Improvement Amendments |
| CLIA/CAP | Clinical Laboratory Improvement Amendments/College of American Pathologists |
| CLT | cuff leak test |
| CM | carbimazole |
| CM | coccidioidal meningitis |
| CMAP | compound muscle action_content potentials |
| CMCC | Chronic mucocutaneous candidiasis |
| CME | cystoid macular edema |
| CMP | comprehensive metabolic panel |
| CMR | cardiac magnetic resonance |
| CMS | U.S. Center for Medicare & Medicaid Services |
| CMV | cytomegalovirus |
| CND | central neck dissection |
| CNI | calcineurin inhibitors |
| CNS | central nervous system |
| CNV | choroidal neovascularization |
| CO | cardiac output |
| CO | conscientious objection |
| CO | conscientious objections |
| CO-HCFA | community-onset healthcare facility-associated |
| CO2 | carbon dioxide |
| cobi | cobicistat |
| COBRA | Combinatietherapie Bij Reumatoide Artritis |
| COE | Class of Evidence |
| COLEC11 | Collectin subfamily member 11 |
| COME | chronic otitis media with effusion |
| COPD | chronic obstructive pulmonary disease |
| COR | Class of Recommendation |
| COR | Classification of Recommendation |
| CORONA | Controlled Rosuvastatin Multinational Trial in Heart Failure |
| COWS | Clinical Opioid Withdrawal Scale |
| COX | cyclooxygenase |
| COX-2 | cyclooxygenase 2 |
| COX-2 | cyclooxygenase-2 |
| COX-2 inhibitor | cyclooxygenase-2 inhibitor |
| CP | contact precautions |
| CPA | cyproterone acetate |
| CPAP | continuous positive airway pressure |
| CPG | clinical practice guideline |
| CPIS | Clinical Pulmonary Infection Score |
| CPIS | Modified Clinical Pulmonary Infection Score |
| CPK | creatine phosphokinase |
| CPK | creatine phosphokinsase |
| CPO | Cardiac Power Output |
| CPP | cerebral perfusion pressure |
| CPR | cardiopulmonary resuscitation |
| CPT | current procedural terminology |
| CR | complete response |
| CR | controlled release |
| Cr | creatinine |
| CRAB | hypercalcemia |
| CRC | colorectal cancer |
| CrCl | creatinine clearance |
| CRE | carbapenem resistant Enterobacteriaceae |
| CRMO | chronic recurrent multifocal osteomyelitis |
| CROS | contralateral routing of signal |
| CRP | C-reactive protein |
| CRP | canalith repositioning procedure |
| CRPC | castration-resistant prostate cancer |
| CRS | chronic rhinosinusitis |
| CRT | Cardiac Resynchronization Therapy |
| CRT | cognitive remediation therapy |
| CRT-D | cardiac resynchronization therapy defibrillator |
| CRT-D | cardiac resynchronization therapy with defibrillator |
| CRT-D | cardiac resynchronization therapy with implantable cardioverter defibrillator |
| CRT-P | cardiac resynchronization therapy-pacemaker |
| CRT-Pacemaker | cardiac resynchronization therapy pacemaker |
| CS | corticosteroids |
| CS | Cushing's syndrome |
| CSA | cyclosporin A |
| CSA | cyclosporine |
| CSF | cerebrospinal fluid |
| CSF | colony- stimulating factor |
| CSF | colony-stimulating factor |
| CSF | Signs Cerebrospinal Fluid |
| CSFs | Colony stimulating factors |
| CSII | continuous subcutaneous insulin infusion |
| CSME | clinically significant macular edema |
| CT | cardiothoracic |
| CT | Computed tomographic |
| CT | computed tomography |
| CT | computerized tomography |
| CTA | computed tomography angiography |
| CTI | cavotricuspid isthmus |
| CTLA-4 | cytotoxic T lymphocyte- associated protein 4 |
| CTLA-4 | cytotoxic T-cell lymphocyte-4 |
| Ctn | Calcitonin |
| CTPA | computed tomographic pulmonary angiography |
| CTT | Cholesterol Treatment Trialists Collaboration eGFR |
| CU | chronic urticaria |
| CUA | chronic urticaria and angioedema |
| CV | cardiovascular |
| CVA | cerebrovascular accident |
| CVC | central venous catheters |
| CVD | cardiovascular disease |
| CVID | common variable immunodeficiency |
| CVP | central venous pressure |
| CVT | Cerebral Venous Thrombosis |
| CVVHD | continuous venovenous hemodialysis |
| CW | continuous wave |
| CWAA | cell-wall active agent |
| CXR | chest radiograph |
| CXR | chest X-ray |
| CyA | cyclosporine |
| CYC | cyclophosphamide |
| CYP | cytochrome P |
| CYP | cytochrome P450 |
| CYP3A4 | cytochrome P450 isoenzyme 3A4 |
| CZP | certolizumab |
| d | day |
| D-CK-MB | delta-creatine kinase-MB[ |
| D/C | discontinue |
| D10W | 10% dextrose solution |
| D25W | 25% dextrose solution |
| D2B | door-to-balloon (device) |
| d4T | stavudine |
| D5W | 5% dextrose in water |
| DA | dopamine agonist |
| DAA | direct-acting antiviral |
| DAPT | dual antiplatelet therapy |
| DAPT | dual-antiplatelet therapy |
| DAS | Disease Activity Score |
| DASH | Dietary Approaches to Stop Hypertension |
| DAT | direct agglutination test |
| DBP | diastolic blood pressure |
| DBS | Deep brain stimulation |
| DCCT | Diabetes Control and Complications Trial |
| DCDD | circulatory determination of death |
| DCDD | donation after circulatory determination of death |
| DCIS | Ductal carcinoma in situ |
| DCM | dilated cardiomyopathy |
| DD | dyssynergic defecation |
| DD | dysthmic disorder |
| DD | dysthymic disorder |
| DDD | defined daily dose |
| ddI | didanosine |
| DDI | drug-drug interactions |
| DDMVAC | dose-dense methotrexate |
| DES | drug-eluting stent |
| DES | drug-eluting stent(s) |
| DF | dominant excitation frequency |
| DFA | direct fluorescent antibody |
| DFI | diabetic foot infection |
| DFO | diabetic foot osteomyelitis |
| DFS | disease free survival |
| DFS | disease-free survival |
| DFU | diabetic foot ulcer |
| DGS | DiGeorge syndrome |
| DHA | docosahexaenoic acid |
| DHEA | dehydroepiandrosterone |
| DHEA-S | dehydroepiandrosterone sulfate |
| DHEAS | dehydroepiandrosterone sulfate |
| DHHS | US Department of Health and Human Services |
| DHPs | dihydropyridines |
| DHR | Dihydrorhodamine 123 |
| DHT | dihydrotestosterone |
| DI | diabetes insipidus |
| DIC | disseminated intravascular coagulation |
| DIDO | door-in-door-out |
| DIHS | drug-induced hypersensitivity syndrome |
| DILE | drug-induced lupus erythematosus |
| DILI | Drug Induced Liver Injury |
| DIP | distal interphalangeal joint |
| DIRA | Deficiency of IL-1 receptor antagonist |
| DITRA | Deficiency of IL-36 receptor antagonist |
| div | divided |
| DKA | diabetes ketoacidosis |
| DKA | diabetic ketoacidosis |
| DKC | Dyskeratosis congenita |
| DKD | Diabetic Kidney Disease |
| DLCO | diffusing capacity for carbon monoxide |
| DLCO | diffusing capacity of the lung for carbon monoxide |
| DLCO | transfer factor of the lung for carbon monoxide |
| DLCO2 | diffusion capacity for carbon dioxide |
| DM | dextromethorphan |
| DM | diabetes mellitus |
| DMARD | Disease Modifying Antirheumatic Drug (includes hydroxychloroquine |
| DMARD | disease-modifying antirheumatic drug |
| DMARD | disease-modifying antirheumatic drugs |
| DMARD | disease-modifying antirrheumatic drug |
| DMARDs | disease modifying anti-rheumatic drugs |
| DMARDs | disease-modifying antirheumatic drugs |
| DME | diabetic macular edema |
| DME | durable medical equipment |
| dMMR | mismatch repair-deficient |
| DNA | Deoxyribonucleic Acid |
| DNR | do not resuscitate |
| DOCK8 | Dedicator of cytokinesis 8 |
| DOD | Department of Defense |
| DOT | days of therapy |
| DOT | directly observed therapy |
| DP | pressure gradient |
| DPI | daily powder inhaler |
| DPI | dry powder inhaler |
| DPN | diabetic peripheral neuropathy |
| DPNP | diabetic peripheral neuropathic pain |
| DPP-4 | dipeptidyl peptidase 4 |
| DPP-4 | dipeptyl peptidase 4 |
| DPP-4-i | DPP-4 inhibitor |
| DPUA | delayed pressure urticaria/angioedema |
| DRC | direct renin concentration |
| DRE | digital rectal examination |
| DRESS | drug rash with eosinophilia and systemic symptoms |
| DRESS | drug reaction with eosinophilia and systemic symptoms |
| DRESS | drug-related rash with eosinophilia and systemic symptoms |
| DRI | Dietary Reference Intakes |
| DRS | Diabetic Retinopathy Study |
| DRV | darunavir |
| DRV/c | cobicistat-boosted darunavir |
| DRV/r | ritonavir-boosted darunavir |
| DS | duodenal switch |
| DSE | dobutamine stress echocardiogram |
| DSE | dobutamine stress echocardiography |
| DSEK | Descemet stripping endothelial keratoplasty |
| DSM | Diagnostic and Statistical Manual of Mental Disorders |
| DSM-5 | Diagnostic and Statistical Manual of Mental Disorders |
| DSME | Diabetes Self Management Education |
| DSME | diabetes self-management education |
| DSMS | diabetes self-management support |
| DSP | drospirenone |
| DT | diphtheria and tetanus toxoids (pediatric formulation) |
| DT | diphtheria-tetanus vaccine |
| DTaP | diphtheria and tetanus toxoids and acellular pertussis (pediatric formulation) |
| DTaP | diphtheria-tetanus-acellular pertussis vaccine |
| DTC | differentiated thyroid cancer |
| DTC | differentiated thyroid carcinoma |
| DTG | dolutegravir |
| DTPI | deep-tissue pressure injury |
| DUS | duplex ultrasound |
| DVT | deep vein thrombosis |
| DVT | deep veinthrombosis |
| DVT | deep venous thrombosis |
| DW | dosing weight |
| Dx | diagnosis |
| DXA | dual x-ray absorptiometry |
| DXA | dual-energy X-ray absorptiometry |
| DXA | dualenergy X-ray absorptiometry |
| DxWBS | diagnostic whole body scan |
| E | estrogen |
| E2 | 17-B [24]*estradiol |
| E2 | estradiol |
| EA | early antigen |
| eAG | estimated average glucose |
| EAS | ectopic ACTH secretion |
| EAS | European Atherosclerosis Society |
| EASL | European Association for the Study of the Liver |
| EAU | European Association of Urology |
| EBRT | external beam radiotherapy |
| EBSLN | external branch of the superior laryngeal nerve |
| EBV | Epstein-Barr virus |
| ECCE | extracapsular cataract extraction |
| ECG | electrocardiogram |
| ECG | electrocardiogram/electrocardiographic |
| ECG | electrocardiograph |
| ECG | electrocardiographic |
| ECMO | extracorporeal membrane oxygenation |
| ECOG | Eastern Cooperative Oncology Group |
| ECT | ecarin clotting time |
| ECT | electroconvulsive therapy |
| ED | emergency department |
| ED | erectile dysfunction |
| EDS | excessive daytime sleepiness |
| EDV | end-diastolic velocity |
| EE | erosive esophagitis |
| EE | ethinyl estradiol |
| EEG | electroencephalogram |
| EF | ejection fraction |
| EFFECT | Enhanced Feedback for Effective Cardiac Treatment |
| EFV | efavirenz |
| EG | Eosinophilic gastroenteritis |
| EGD | esophagogastric distension |
| EGD | esophagogastroduodenoscopy |
| EGFR | epidermal growth factor receptor |
| eGFR | estimated glomerular filtration rate |
| EGM | electrogram |
| EIA | enzyme immunoassay |
| EIA | enzyme immunoassays |
| EIA | exercise-induced anaphylaxis |
| EIAn | exercise-induced anaphylaxis |
| EIB | exercise-induced bronchoconstriction |
| EKG | electrocardiogram |
| EKG | electrocardiograph |
| ELISA | enzyme-linked immunosorbent assay |
| EM | Erythema multiforme |
| EMA | European Medicines Agency |
| EMB | ethambutol |
| EMG | electromyogram |
| EMG | electromyography |
| EMI | electromagnetic interference |
| EML | Essential Medicines List |
| EMLA | lidocaine and prilocaine topical anesthetic |
| EMS | emergency medical services |
| EMS | emergency medical/transport services |
| EN | enteral nutrition |
| ENoG | electroneuronography |
| ENT | ear |
| EoE | eosinophilic esophagitis |
| EP | electrophysiological |
| EP | expert panel |
| EPA | eicosapentaenoic acid |
| EPA | Environmental Protection Agency |
| EPA and DHA | long-chain omega-3 fatty acids |
| EPCAM | epithelial cell adhesion molecule |
| EPD | extended pleurectomy/decortication |
| EPP | either extrapleural pneumonectomy |
| EPP | extrapleural pneumonectomy |
| EPS | extracellular polymeric substance |
| EPS | extrapyramidal symptoms |
| EPT | estrogen plus progestogen therapy |
| ER | emergency room |
| ER | estrogen receptor |
| ER | extended release |
| ERC | Evidence Review Committee |
| ERCP | endoscopic retrograde cholangiopancreatography |
| ERI | elective replacement indicator |
| ERI | elective replacement interval |
| ERO | effective regurgitant orifice |
| ERS | European Respiratory Society |
| ES | Endocrine Society |
| ES | evidence statement |
| ESBL | extended-spectrum b-lactamase |
| ESBL | extended-spectrum beta-lactamase |
| ESC | European Society of Cardiology |
| ESCAPE | Evaluation Study of Congestive Heart Failure and Pulmonary Artery Catheterization Effectiveness |
| ESM | ethosuximide |
| ESR | erythrocyte sedimentation rate |
| ESRD | end-stage renal disease |
| ET | endotracheal tube |
| ET | estrogen therapy |
| ETDRS | Early Treatment Diabetic Retinopathy Study |
| ETE | extrathyroidal extension |
| ETEC | enterotoxigenic E. coli |
| EtG | ethyl glucuronide |
| ETN | etanercept |
| EtOH | ethyl alcohol or ethanol |
| ETR | etravirine |
| EtS | ethyl sulfate |
| ETT | exercise treadmill test |
| ETV | entecavir |
| EULAR | European League Against Rheumatism |
| EUS | endoscopic ultrasonography |
| EV | Epidermodysplasia verruciformis |
| EVAR | endovascular aneurysm repair |
| EVG | elvitegravir |
| EVG/c | cobicistat-boosted elvitegravir |
| EVH | eucapnic voluntary hyperpnea |
| EVT | endovascular therapy |
| FA | FOOD ALLERGY |
| FAAN | Food Allergy and Anaphylaxis Network (now Food Allergy |
| FAB | functional abdominal bloating |
| FACBC | 18F-flucicovine |
| FAD | functional abdominal distention |
| FAQ | functional activities questionnaire |
| FBD | functional bowel disorder |
| FC | Functional Constipation |
| FCAS | Familial cold autoinflammatory syndrome |
| FDA | Federal Drug Administration |
| FDA | Food and Drug Administration |
| FDA | U.S. Food and Drug Administration |
| FDA | US Food and Drug Administration |
| FDEIA | food-dependent exercise-induced anaphylaxis |
| FDG | 18F-Fluorodeoxyglucose |
| FDr | functional diarrhea |
| Fe | iron |
| FEIBA | Factor Eight Inhibitor Bypassing Activity |
| FeNO | exhaled nitric oxide fraction |
| FEUA | fractional excretion of uric acid |
| FEV1 | forced expiratory volume in 1 sec |
| FEV1 | forced expiratory volume in 1 second |
| FEV1 | forced expiratory volume in one second |
| FEV1/FVC | ratio of forced expiratory volume in 1 second to forced vital capacity |
| FEV[1] | forced expiratory volume in 1 second |
| FE[phos] | fractional excretion of phosphate |
| FFP | fresh frozen plasma |
| FFR | fractional flow reserve |
| FH | familial hypercholesterolemia |
| FH-I | -II |
| FHA | functional hypothalamic amenorrhea |
| FHL | Familial hemophagocytic lymphohistiocytosis |
| FHx | family history |
| FIQ | Fibromyalgia Impact Questionnaire |
| FISH | fluorescence in situ hybridization |
| FISH | fluorescent in situ hybridization |
| FIT | fecal immunochemical test |
| FLACS | femtosecond laser-assisted cataract surgery |
| FLAIR | fluid attenuated inversion recovery |
| FLP | fasting lipid panel |
| FMC | first medical contact |
| FMF | familial Mediterranean fever |
| FMP | final menstrual period |
| FMT | fecal microbiota transplantation |
| FN | false negative |
| FN | febrile neutropenia |
| FN/SFN | follicular neoplasm/suspicious for follicular neoplasm |
| FNA | Fine needle aspiration |
| FNA | fine-needle aspiration |
| FOXP3 | Forkhead box protein 3 |
| FP | false positive |
| FPG | fasting plasma glucose |
| FPIES | food protein-induced enterocolitis syndrome |
| FPLD | familial partial lipodystrophy |
| FPOD | femoropopliteal occlusive disease |
| FPV | fosamprenavir |
| FSGS | focal segmental glomerulosclerosis |
| FSH | follicle stimulating hormone |
| FSH | follicle-stimulating hormone |
| FST | fludrocortisone suppression test |
| FT | free testosterone |
| FT4 | (plasma) free thyroxine |
| fT4 | free thyroxine |
| FTC | emtricitabine |
| FTC | Follicular thyroid cancer |
| FTC | follicular thyroid carcinoma |
| FTMH | full-thickness macular hole |
| FU | follow-up |
| FUT | furosemide upright test |
| FVC | forced vital capacity |
| Fx's | bone fractures |
| g | gram |
| G-CSF | granulocyte colony-stimulating factor |
| G1 | Grade 1 |
| G2 | Grade 2 |
| G3 | Grade 3 |
| G4 | Grade 4 |
| G6PD | glucose-6-phosphate dehydrogenase |
| G6PDH | Glucose-6-phosphate dehydrogenase |
| GA | geriatric assessment |
| GABA | gamma-amino-butyric acid |
| GABHS | group A b-hemolytic streptococcus |
| GAD | glutamate decarboxylase |
| GAS | Group A b-hemolytic streptococcus |
| GBP | gabapentin |
| GBS | Guillain-Barre Syndrome |
| GC | glucocorticoid |
| GC | glucocorticoids |
| GCSF | granulocyte colony-stimulating factor |
| GCT | Glucose challenge test |
| GD | Gender dysphoria |
| GD/GI | gender dysphoria/gender incongruence |
| GDH | glutamate dehydrogenase |
| GDM | Gestational diabetes mellitus |
| GDMT | guideline determined medical therapy |
| GDMT | guideline-directed management and therapy |
| GDMT | guideline-directed medical therapy |
| GDS | Geriatric Depression Scale |
| GE | gastroesophageal |
| GERD | gastro-esophageal reflux disease |
| GERD | gastroesophageal reflux disease |
| GFR | glomerular filtration rate |
| GFV | graft flow velocity |
| GGT | g-glutamyl transferase |
| GH | Growth hormone |
| GHBP | growth hormone binding protein |
| GHD | Growth Hormone Deficiency |
| GHIS | growth hormone insensitivity syndrome |
| GHR | growth hormone receptor |
| GHRH | growth hormone-releasing hormone |
| GI | gastrointestinal |
| GI | Gender incongruence |
| GI | glycemic index |
| GINA | Global Initiative for Asthma |
| GIOP | glucocorticoid-induced osteoporosis |
| GIP | gastric inhibitory polypeptide |
| GIP | glucose-dependent insulinotropic peptide |
| GIP | glucose-dependent insulinotropic polypeptide |
| GLP-1 | glucagon-like peptide 1 |
| GLP-1 | glucagon-like peptide-1 |
| GLP-1-RA | GLP-1 receptor agonist |
| GLP-1-RA | glucagon-like peptide-1 receptor agonist |
| GLT | glucose load test |
| GM | galactomannan |
| GM-CSF | granulocyte macrophage colony-stimulating factor |
| GM-CSF | granulocyte-macrophage colony-stimulating factor |
| gm/day | grams per day |
| gm/kg | grams per kilogram |
| GN | glomerulonephritis |
| GNR | Gram-negative rod |
| GnRH | gonadotropin-releasing hormone |
| GOL | golimumab |
| GP | glycoprotein |
| GPC | Giant Papillary Conjunctivitis |
| GPC | Gram-positive cocci |
| GPI | glycoprotein IIb/IIIa inhibitor |
| GPI | glycosyl-phosphatidylinositol |
| GPR | good practice recommendation |
| GRA | glucocorticoid remediable aldosteronism |
| GRACE | Global Registry of Acute Coronary Events |
| GRADE | Grading of Recommendations Assessment |
| GRAS | generally recognized as safe |
| GS | gastric sleeve |
| GS | Griscelli syndrome |
| GSM | genitourinary syndrome of menopause |
| GU | genitourinary |
| GVHD | graft versus host diseases |
| GVHD | graft-versus-host disease |
| GVHD | graft-vs-host disease |
| GWG | gestational weight gain |
| Gy | Gray |
| H | high |
| h | hour |
| h | hour(s) |
| h | hours |
| H&P | history and physical |
| H2 | histamine-2 |
| H2RA | histamine2-receptor blockers |
| H63D | His63Asp mutation |
| HA | hypothalamic amenorrhea |
| HA-MRSA | healthcare-associated MRSA[ |
| HA-MRSA | hospital-acquired methicillin-resistant Staphylococcus aureus |
| HAART | highly active antiretroviral therapy |
| HAD | HIV-associated dementia |
| HAE | hereditary angioedema |
| HAMP | hepcidin |
| HAP | hospital-acquired pneumonia |
| HAQ | Health Assessment Questionnaire |
| HAQ-DI | Health Assessment Questionnaire Disability Index |
| HAS-BLED | Hypertension |
| HAT | and hearingassistive technology |
| HAT | hearing-assistive technology |
| HAV | hepatitis A virus |
| Hb | hemoglobin |
| HbA1C | hemoglobin A1C |
| HbA1c | hemoglobin A1c (glycohemoglobin) |
| HBcAb | antibody to hepatitis B total core antigen |
| HBcAb | hepatitis B core antibody |
| HBeAg | hepatitis B e antigen |
| HBO | hyperbaric oxygen |
| HBOT | hyperbaric oxygen therapy |
| HBsAb | hepatitis B surface antibody |
| HBsAg | hepatitis B surface antigen |
| HBV | hepatitis B virus |
| HC | hormonal contraceptive |
| HCC | and hepatocellular carcinoma |
| HCC | hepatocellular carcinoma |
| HCC | of hepatocellular carcinoma |
| hCG | human chorionic gonadotropin |
| HCM | hypertrophic cardiomyopathy |
| HCO3 | bicarbonate |
| HCP | health care personnel |
| HCP | health care practitioner |
| HCP | health care professional |
| HCP | healthcare providers |
| HCQ | hydroxychloroquine |
| Hct | hematocrit |
| HCTZ | hydrochlorthiazide |
| HCV | hepatitis C virus |
| HD | hemodialysis |
| HD | High Dose |
| HD | Hirschsprung's Disease |
| HDL | high-density lipoprotein |
| HDL | high-density lipoprotein cholesterol |
| HDL-C | high density lipoprotein cholesterol |
| HDL-C | high density lipoprotein-cholesterol |
| HDL-C | high-density lipoprotein cholesterol |
| HDV | hepatitis D virus |
| HELLP | Hemolysis |
| HepA | hepatitis A vaccine |
| HEPA | high-efficiency particulate air |
| HepB | hepatitis B vaccine |
| HER2 | human epidermal growth factor receptor 2 |
| HER2+ | human epidermal growth factor receptor 2-positive |
| HES | hydroxyethyl starch |
| HES | hypereosinophilic syndrome |
| HF | heart failure |
| HFA | Heart Failure Association |
| HFA | hydrofluoroalkane |
| HFmrEF | heart failure with mid-range ejection fraction |
| HFpEF | heart failure with preserved ejection fraction |
| HFrEF | heart failure with reduced ejection fraction |
| Hgb | hemoglobin |
| HgbA1c | glycated hemoglobin |
| HgbA1C | hemoglobin A1C |
| HGVS | Human Genome Variation Society |
| HH | Hereditary hemochromatosis |
| HHF | Hearing Health Foundation |
| HHV6 | human herpesvirus 6 |
| Hib | Haemophilus influenzae type B |
| Hib | Haemophilus influenzae type b conjugate vaccine |
| HIC | hepatic iron concentration |
| HIDS | Hyper-IgD syndrome |
| HIES | Hyper-IgE syndrome |
| HIM | Hyper-IgM syndrome |
| HIV | human immunodeficiency virus |
| HIV-1 | HIV type 1 |
| HIV/AIDS | human immunodeficiency virus/acquired immunodeficiency syndrome |
| HIVAN | HIV-associated nephropathy |
| HIVMA | HIV Medicine Association |
| HJV | hemojuvelin |
| HLA | human leukocyte antigen |
| HLH | Hemophagocytic lymphohistiocytosis |
| HNSCC | squamous cell carcinoma |
| HO-CDI | healthcare facility-onset C. difficile infection |
| HOB | head of bed |
| HP | Helicobacter pylori |
| HPA | hypothalamic-pituitary-adrenal |
| hpf | high-power field |
| HPLC | high-performance liquid chromatography |
| HPO | hypothalamic-pituitary-ovarian |
| HPS | Hermansky-Pudlak syndrome |
| HPTH | hyperparathyroidism |
| HPV | Human papilloma virus |
| HPV | human papillomavirus |
| HPV2 | bivalent human papillomavirus vaccine |
| HPV4 | quadrivalent human papillomavirus vaccine |
| HQ | hydroxychloroquine |
| HR | hazard ratio |
| HR | heart rate |
| HR+ | hormone receptor-positive |
| HRCT | high-resolution computed tomography |
| HRQOL | health-related quality of life |
| hrs | hours |
| HRT | hormone replacement therapy |
| HRV | heart rate variability |
| hs-CRP | high-sensitivity C-reactive protein |
| HSCT | hematopioetic stem cell transplant |
| HSCT | Hematopoietic stem cell therapy |
| HSCT | hematopoietic stem cell transplant |
| HSCT | hematopoietic stem cell transplantation |
| HSCT | hematopoietic stem cell transplantation HIV |
| HSD | hydroxysteroid dehydrogenase |
| HSE | herpes simplex encephalitis |
| HSR | hypersensitivity reaction |
| HSV | Herpes simplex virus |
| HSV | herpes simplex viruses |
| HSV | Herpes simplexvirus |
| HT | hormone therapy |
| HT | hypertension |
| HTLV | human T-cell lymphotropic virus |
| HTN | hypertension |
| HU | Hounsfield units |
| HUS | Hemolytic uremic syndrome |
| HUVS | Hypocomplementemic urticarial vasculitis syndrome |
| hydral-nitrates | hydralazine and isosorbide dinitrate |
| hyper-IgD | hyper-IgD syndrome with periodic fever |
| HZ | Herpes zoster |
| I | iris |
| I & D | incision and drainage |
| I-PRESERVE | Irbesartan in Heart Failure With Preserved Heart Function |
| IA | inflammatory arthritis |
| IA | intra articular |
| IA | Invasive Aspergillosis |
| IABP | intra-aortic balloon counterpulsation |
| IABP | intra-aortic balloon pump |
| IACUC | Institutional Animal Care and Use Committee |
| IADPSG | International Association of Diabetes and Pregnancy Study Groups |
| IAH | idiopathic adrenal hyperplasia |
| IBCG | International Bladder Cancer Group |
| IBD | Inflammatory bowel disease |
| IBIS | International Breast Intervention Study |
| IBS | Irritable bowel syndrome |
| IBS-C | irritable bowel syndrome with constipation |
| IBS-C | irritable bowel syndrome with constipation-predominant symptoms |
| IBS-D | irritable bowel syndrome with diarrhea |
| IBS-D | irritable bowel syndrome with diarrhea-predominant symptoms |
| IBS-M | irritable bowel syndrome with constipation and diarrhea |
| IBS-M | irritable bowel syndrome with mixed pattern |
| IBS-U | irritable bowel syndrome unclassified |
| IBW | ideal body weight |
| IC | Informed Consent |
| IC | Intermittent Claudication |
| ICA | internal carotid artery |
| ICA | Isolated congenital asplenia |
| ICD | implantable cardioverter defibrillator |
| ICD | implantable cardioverter defibrillators |
| ICD | implantable cardioverter-defibrillator |
| ICD | International Statistical Classification of Diseases and Related Health Problems |
| ICD-9 | International Classification of Diseases - Ninth Revision |
| ICD4L | Idiopathic CD4 lymphopenia |
| ICE | iridocorneal endothelial |
| ICF | Immunodeficiency |
| ICG | indocyanine green |
| ICH | intracranial hemorrhage |
| ICH | intracranial hypertension |
| ICP | intracranial pressure |
| ICPi | immune checkpoint inhibitor |
| ICS | inhaled corticosteroid |
| ICS | inhaled corticosteroids |
| ICU | intensive care unit |
| ICU | intensive care units |
| ICUD | International Consultation on Urological Diseases |
| ID | infectious disease |
| IDCF | immunodiffusion complement-fixing (anticoccidioidal antibodies) |
| IDEAL | Incremental Decrease through Aggressive Lipid Lowering study |
| IDF | International Diabetes Federation |
| IDSA | Infectious Diseases Society of America |
| IDV | integrase strand transfer inhibitor |
| IE | infective endocarditis |
| IFA | immunofluorescence antigen |
| IFA | indirect fluorescent antibody |
| IFG | impaired fasting glucose |
| IFIS | intraoperative floppy iris syndrome |
| IFN | interferon |
| IFN-a | interferon-alpha |
| IFN-g | interferon g |
| IFN-g | Interferon gamma |
| IFNGR | IFN-g receptor |
| Ig | immune globulin |
| IG | Interpretive Guidance |
| IgA | immunoglobulin A |
| IGC | International Guidelines Center |
| IgE | immunoglobulin E |
| IGF | insulin-like growth factor |
| IGF | insulinlike growth factor |
| IGF-1 | insulin-like growth factor-1 |
| IgG | immunogloblulin G |
| IgG | immunoglobulin G |
| IGGSD | IgG subclass deficiency |
| IgM | immunoglobulin M |
| IGRA | interferon-g release assay |
| IGRA | Interferon-gamma release assay |
| IGT | impaired glucose tolerance |
| IHA | idiopathic hyperaldosteronism |
| IHC | immunohistochemical |
| IHC | immunohistochemistry |
| IHD | Ischemic Heart Disease |
| III | of MRSA infections |
| IIV | inactivated influenza vaccine |
| IIV | Influenza virus vaccine |
| IKBA | Inhibitor of kB a chain |
| IKBKG | Inhibitor of kB kinase g chain |
| IL | interleukin |
| IL | intralesional |
| IL-1 | interleukin-1 |
| IL12/23i | interleukin 12/23 inhibitor |
| IL17i | interleukin 17 inhibitor |
| IL17RA | IL-17 receptor a chain gene |
| IL2RG | Interleukin 2 receptor subunit gamma gene |
| IL6i | interleukin 6 inhibitor |
| ILD | interstitial lung disease |
| ILM | internal limiting membrane |
| ILR | implantable loop recorder |
| IM | intramuscular |
| IM | intramuscularly |
| IMA | inferior mesenteric artery |
| IMAGe | intrauterine growth restriction |
| IMRT | intensity-modulated radiation therapy |
| IMT | Implantable Miniature Telescope(TM) |
| INA | intranasal antihistamines |
| IND | Investigational New Drug |
| INF | infliximab |
| information | which may include data supplements |
| inh | inhalation |
| INH | inhibitor |
| INH | isoniazid |
| inhibitors | angiotensin-converting enzyme inhibitors |
| INR | international normalised ratio |
| INR | international normalized ratio |
| INS | intranasal steroids |
| INSTI | integrase strand transfer inhibitor |
| INTERMACS | Interagency Registry for Mechanically Assisted Circulatory Support |
| IOL | intraocular lens |
| IOM | Institute of Medicine |
| IOP | intraocular pressure |
| IOP | of intraocular pressure |
| IPA | Invasive Pulmonary Aspergillosis |
| IPC | Infection Prevention and Control |
| IPEX | Immunodeficiency |
| IPF | Idiopathic pulmonary fibrosis |
| IPL | intense pulsed light |
| IPPB | intermittent positive pressure breathing |
| IPSS | inferior petrosal sinus sampling |
| IPSS | International Prostate Symptom Score |
| iPTH | intact parathyroid hormone |
| IPV | inactivated polio vaccine |
| IPV | inactivated poliovirus vaccine |
| IQR | interquartile range |
| IR | immediate release |
| IR | inadequate response |
| irAE | immune-related adverse event |
| IRAK | IL-1 receptor-associated kinase |
| IRIS | immune reconstitution inflammatory syndrome |
| IS | ischemic stroke |
| ISH | in situ hybridization |
| ISN/RPS | International Society of Nephrology/Renal Pathology Society |
| ISR | in-stent restenosis |
| ISS | Idiopathic Short Stature |
| ISSNHL | idiopathic sudden sensorineural hearing loss |
| IST | Inappropriate sinus tachycardia |
| IT | information technology |
| IT | intra-tympanic |
| ITC | In the Canal |
| ITC | iridotrabecular contact |
| ITCH | Itchy E3 ubiquitin protein ligase |
| ITK | IL-2-inducible T-cell kinase |
| ITP | idiopathic thrombocytopenic purpura |
| IU | international unit |
| IU | international units |
| IU/L | international units per liter |
| IUD | intrauterine device |
| IV | intraenous |
| IV | intravenous |
| IVC | inferior vena cava |
| IVF | in vitro fertilization |
| IVIG | intravenous immune globulin |
| IVIG | Intravenous immunoglobulin |
| IVs | intravenous lines |
| IWGDF | International Working Group on the Diabetic Foot |
| JIA | juvenile idiopathic arthritis |
| JIA | juvenille idiopathic arthritis |
| JVP | jugular venous pressure |
| K | potassium |
| K+ | potassium |
| KAS | Key Action Statement |
| KAS | Key Action Statements |
| KAS | key action_content statement |
| KCC | Kings College Criteria |
| kg | kilogram |
| KPC | Klebsiella pneumoniae carbapenemase |
| KPC | Klebsiella pneumoniae carbapenemase-producing bacteria |
| KRAS | Kirsten rat sarcoma viral oncogene homolog |
| KS | Klinefelter syndrome |
| L | lens |
| L | low |
| LA | left atrial |
| LA | left atrial/left atrium |
| LA | left atrium |
| LA | left atrium/atrial |
| LA-A&B | Los Angeles Classification grades A & B (none |
| LAA | left atrial appendage |
| LABA | long acting b2 agonist |
| LABA | long-acting b-agonist |
| LABA | long-acting b[2]-agonist |
| LABA | long-acting b[2]-agonists |
| LAD | left anterior descending |
| LAD | left anterior descending coronary artery |
| LAD | Leukocyte adhesion deficiency |
| LAGB | laparoscopic adjustable gastric banding |
| LAIV | Live attenuated influenza vaccine |
| LAM | lamivudine |
| LAMA | long-acting muscarinic antagonist |
| LAR | long-acting release |
| LASIK | laser-assisted in situ keratomileusis |
| LATITUDE | A Study of Abiraterone Acetate Plus Low-Dose Prednisone Plus Androgen Deprivation Therapy (ADT) Versus ADT Alone in Newly Diagnosed Participants With High-Risk |
| LBBB | left bundle branch block |
| LBBB | left bundle-branch block |
| LBM | lean body mass |
| LBP | Low back pain |
| LC | lens capsule |
| LD | Lactate dehydrogenase |
| LD | loading dose |
| LDH | lactate dehydrogenase |
| LDL | low-density lipoprotein |
| LDL-C | low-density lipoprotein cholesterol |
| LdT | telbivudine |
| LE | life expectancy |
| LE | lower extremity |
| LEF | leflunomide |
| LEMS | Lambert-Eaton Myasthenic Syndrome |
| LFAmB | lipid formulations of AmB |
| LFT | liver function test |
| LFT | liver function tests |
| LFTs | liver function tests |
| LGA | large-for-gestational-age/macrosomia |
| LH | luteinizing hormone |
| LH | lutenizing hormone |
| LIG4 | DNA ligase IV[ |
| LIMA | left internal mammary artery |
| LLN | lower limit of normal |
| LLRs | large local reactions |
| LMWH | low molecular weight heparin |
| LMWH | low-molecular-weight heparin |
| LN | Lupus Nephritis |
| LN | lymph node |
| LN | lymph nodes |
| LND | lymph node dissection |
| LNorg | levonorgestrel |
| LOD | limit of detection |
| LOE | Level of Evidence |
| Lp(a) | lipoprotein(a) |
| LPI | laser peripheral iridotomy |
| LPR | laryngopharyngeal reflux |
| LPR4 | lipoprotein related 4 |
| LPV | lopinavir |
| LPV/r | ritonavir-boosted lopinavir |
| LT3 | liothyronine |
| LT4 | levothyroxine |
| LTB4 | leukotriene B4 |
| LTBI | latent tuberculosis infection |
| LTC | long-term care |
| LTG | lamotrigine |
| LTR | life-threatening reaction |
| LTRA | leukotriene receptor antagonist |
| LUTS | lower urinary tract symptoms |
| LV | left ventricle |
| LV | left ventricle/left ventricular |
| LV | left ventricular |
| LV | leftventricular |
| LVAD | left ventricular assist device |
| LVEDD | left ventricular end-diastolic dimension |
| LVEF | left ventricle ejection fraction |
| LVEF | left ventricular ejection fraction |
| LVESD | left ventricular end-systolic dimension |
| LVH | left ventricular hypertrophy |
| LVIDd | left ventricular end-diastolic internal dimension |
| LVOT | left ventricular outflow tract |
| LVSD | left ventricular systolic dysfunction |
| LVT | levetiracetam |
| LYG | life years gained |
| M | metastatic MTC[ |
| M | moderate |
| MACE | major adverse cardiac event |
| MACE | major adverse cardiac events |
| MAHA | microangiopathic hemolytic anemia |
| MAM | 6-monoacetylmorphine |
| MAO | monoamine oxidase |
| MAOI | monoamine oxidase inhibitor |
| MAP | mean arterial pressure |
| MAPK | mitogenactivated protein kinase |
| MAS | macrophage activation syndrome |
| MASCC | Multinational Association for Supportive Care |
| MASCC | Multinational Association for Supportive Care in Cancer |
| MAT | Multifocal atrial tachycardia |
| Max | maximum |
| MBC | metastatic breast cancer |
| MBCL | methylbenzethonium chloride |
| MBL | mannan-binding lectin |
| MC2R | melanocortin 2 receptor gene |
| MCAS | Mast Cell Activating Syndrome |
| MCM | major congenital malformation |
| MCM4 | Minichromosome maintenance complex component 4 |
| MCM4 | minichromosome maintenance-deficient 4 |
| mCRPC | metastatic castration-resistant prostate cancer |
| MCS | mast cell stabilizing agent |
| MCS | Mechanical circulatory support |
| MCT | Medium chain triglyceride |
| MCV | mean corpuscular volume |
| MCV4 | quadrivalent meningococcal conjugate vaccine |
| MD | maintenance dose |
| MD global | physician global assessment |
| MDCT | multidetector computed tomography scan |
| MDD | major depressive disorder |
| MDI | metered-dose inhaler |
| MDI | multiple daily injections |
| MDI | multiple-dose insulin |
| MDR | multi-drug resistant |
| MDR | multidrug resistant |
| MDR-E | multidrug-resistant Enterobacteriaceae |
| MDRO | multidrug-resistant organism |
| MDS | acute myeloid leukemia/myelodysplastic syndrome |
| MDS | minimum data set |
| MDS | myelodysplastic syndrome |
| MDS | myelodysplastic syndromes |
| MedDRA | Medical Dictionary for Regulatory Activities |
| MEDPED | Make Early Diagnosis to Prevent Early Death |
| MEE | middle ear effusion |
| MEE | most often effusion |
| MELD | Model for End-Stage Liver Disease |
| MEN | multiple endocrine neoplasia |
| MEN1 | multiple endocrine neoplasia-1 |
| MET | metabolic equivalent |
| METs | metabolic equivalent (1 MET = 3.5 mL/kg/min oxygen uptake) |
| MetS | metabolic syndrome |
| MeV | million electron volts |
| Mg | magnesium |
| mg | milligram |
| mg | milligram(s) |
| mg | milligrams |
| MG | Myasthenia Gravis |
| mg/dL | milligrams per deciliter |
| mg/kg | milligrams per kilogram |
| MGD | meibomian gland dysfunction |
| MGFA | Myasthenia Gravis Foundation of America |
| MHC | Major histocompatibility complex |
| MHD | monohydroxy derivative |
| MHP | mental health professional |
| MHT | menopausal hormone therapy |
| MI | myoardial infarction |
| MI | myocardial infarction |
| MI | myocardial infarction MNT |
| MIA | multiple intestinal atresia |
| MIC | Minimum Inhibitory Concentration |
| MICA | Myocardial Infarction and Cardiac Arrest |
| MIE | mechanical insufflation/exsufflation |
| min | minute |
| min | minute(s) |
| min(s) | minute(s) |
| MIP | maximal inspiratory pressure |
| MIPS | Merit-based Incentive Payment System |
| mL | milliliter |
| ML | Mucosal Leishmaniasis |
| MLST | multiple sleep latency test |
| mm | millimeter |
| MMA | methyl-malonic acid |
| MMAS | Mast Cell Activating Syndrome |
| MMAS | monoclonal mast cell activating syndrome |
| MMF | mycophenolate mofetil |
| MMI | methimazole |
| MMPs | matrix metalloproteinases |
| MMR | measles |
| MMRV | measles |
| MMRV | quadrivalent MMR-varicella vaccine |
| MMSE | Mini-Mental State Exam |
| MMSE | Mini-Mental State Examination |
| MNT | medical nutrition therapy |
| MNTT | multiple daily injections |
| mo | month |
| mo | month(s) |
| MODY | maturity-onset diabetes of the young |
| MOM | milk of magnesia |
| mos | months |
| MP-NAAT | multiple pathogen nucleic acid amplification tests |
| MPA | medroxyprogesterone acetate |
| MPA | mycophenolic acid |
| mPAP | mean pulmonary artery pressure |
| MPFS | Medicare Physician Fee Schedule |
| MPGN | membranoproliferative glomerulonephritis |
| MPHD | multiple pituitary hormone deficiencies |
| MPI | myocardial perfusion imaging |
| MPL | monophospholipid |
| MPM | malignant pleural mesothelioma |
| MPS | Macular Photocoagulation Study |
| MPS | Myofascial Pain Syndrome |
| MPSV4 | quadrivalent meningococcal polysaccharide vaccine |
| MR | magnetic resonance |
| MR | mineralocorticoid receptor |
| MR | mitral regurgitation |
| MR(I) | magnetic resonance (imaging) |
| MRA | magnetic resonance angiography |
| MRA | mineralocorticoid receptor antagonist |
| MRA | MR agonist |
| MRAP | melanocortin receptor accessory protein |
| mRCC | metastatic RCC[ |
| MRE | magnetic resonance elastography |
| MRI | imaging |
| MRI | magnetic resonance imaging |
| MRO | Medical Review Officer |
| MRSA | community-acquired methicillin-resistant Staphylococcus aureus |
| MRSA | Methicillin resistant Staphylococcus aureus |
| MRSA | methicillin-resistant S. aureus |
| MRSA | methicillin-resistant Staphylococcus aureus |
| ms | millisecond |
| ms | milliseconds |
| MS | mitral stenosis |
| MS | Multiple Sclerosis |
| MSI-H | Microsatellite instability-high |
| MSM | men who have sex with men |
| MSM | sex with men |
| MSMD | Mendelian susceptibility to mycobacterial disease |
| MSMD | susceptibility to mycobacterial disease |
| MSSA | methicillin-sensitive S. aureus |
| MSSA | methicillin-sensitive Staphylococcus aureus |
| MSSA | methicillin-susceptible Staphylococcus aureus |
| MST1 | Macrophage stimulating 1 |
| Mtb | Mycobacterium tuberculosis |
| MTC | medullary thyroid cancer |
| MTC | medullary thyroid carcinoma |
| MTD | Mycobacteria Tuberculosis Direct |
| MTHFD1 | Methylenetetrahydrofolate dehydrogenase (NADP+ dependent) 1 |
| MTOR | mammalian target of rapamycin |
| MTP | microsomal triglyceride transfer protein. |
| MTX | methotrexate |
| MU | million units |
| MUFA | monounsaturated fatty acid |
| MUGA | multi-gated acquisition |
| MuSK | muscle specific kinase |
| MV | megavolt |
| mV | millivolts |
| MV | mitral valve |
| MVA | mitral valve area |
| MVC | maraviroc |
| MVI | multivitamins |
| MVK | Mevalonate kinase |
| MVR | mitral valve replacement |
| MWS | Muckle-Wells syndrome |
| MyD88 | Myeloid differentiation primary response 88 |
| N | node |
| N/A | not applicable |
| N/A | not available |
| NA | not available |
| NA | nucleoside analogues |
| NA | nucleoside/nucleotide analogue |
| Na | sodium |
| NAAT | nucleic acid amplification test |
| NAB | nanoparticle albumin-bound |
| NAC | N-acetyl cysteine |
| NAC | N-acetylcysteine |
| NACT | neoadjuvant chemotherapy |
| NAEPP | National Asthma Education and Prevention Program |
| NAFLD | non-alcoholic fatty liver disease |
| NAFLD | nonalcoholic fatty liver disease |
| NAM | National Academy of Medicine |
| NaP | sodium phosphate |
| NARMS | National Antimicrobial Resistance Monitoring system |
| NASH | nonalcoholic steatohepatitis |
| NB | No Benefit |
| NBS | Nijmegen breakage syndrome |
| NCCAH | for nonclassical congenital adrenal hyperplasia |
| NCCAH | nonclassical congenital adrenal hyperplasia |
| NCCN | National Comprehensive Cancer Network |
| NCEP | National Cholesterol Education Program |
| NCGP | National Glycohemoglobin Standardization Program |
| NCI | National Cancer Institute |
| NCS | nerve conduction study |
| Nd:YAG | neodymium yttrium-aluminium-garnet |
| NDDG | National Diabetes Data Group |
| NED | no evidence of disease |
| NEMO | Nuclear factor kB essential modulator |
| NERD | nonerosive reflux disease |
| NERDS | Nonhealing |
| Neta | norethindrone acetate or norethisterone acetate |
| NF-kB | Nuclear factor kB |
| NFV | nelfinavir |
| NGSP | National Glycohemoglobin Standardization Program |
| NHLBI | National Heart |
| NHSN | National Healthcare Safety Network |
| NHW | non-Hibic white |
| NIAID | National Institute of Allergy and Infectious Diseases |
| NICU | neonatal intensive care unit |
| NIDA | National Institute on Drug Abuse |
| NIF | negative inspiratory force |
| NIH | National Health Institute |
| NIH | National Institutes of Health |
| NIHSS | National Institutes of Health Stroke Scale |
| NINCDS | National Institute of Neurological and Communication Disorders and Stroke |
| NIV | non-invasive ventilation |
| NIV | noninvasive ventilation |
| NK | Natural killer |
| NK[1] | neurokinin 1 |
| NL | Normal |
| NLA | National Lipid Association |
| nm | nonmutated |
| NMIBC | non-muscle invasive bladder cancer |
| NMS | neuroleptic malignant syndrome |
| NNRTI | non-nucleoside reverse transcriptase inhibitor |
| NNRTI | nonnucleoside reverse transcriptase inhibitor |
| NNS | Nakajo-Nishimura syndrome |
| NNS | nonnutritive sweeteners |
| NNT | nicotinamide nucleotide transhydrogenase |
| NNT | number needed to treat |
| NOAC | novel oral anticoagulant |
| NOAC(s) | novel oral anticoagulants |
| NOD2 | Nucleotide-binding oligomerization domain-containing protein 2 |
| NOMID | neonatal-onset multisystem inflammatory disease |
| NOMID | Neonatal-onset multisystem inflammatory disorder |
| Non-HDL-C | non-high-density lipoprotein cholesterol |
| NOSE | Nasal Obstruction Symptom Evaluation |
| Nothing | Found |
| NP-59 | iodomethyl-19-norcholesterol |
| NPDR | nonproliferative diabetic retinopathy |
| NPH | Neutral protamine Hagedorn |
| NPO | nothing by mouth |
| NPO | nothing by mouth (per os) |
| NPUAP | National Pressure Ulcer Advisory Panel |
| NPV | negative predictive value |
| NPWT | negative pressure wound therapy |
| NQF | National Quality Forum |
| NQMI | non-Q-wave myocardial infarction |
| NR | not reported |
| NRTI | nucleoside reverse transcriptase inhibitor |
| ns | nonsignificant |
| NS | normal saline |
| NSA | Negative Symptoms Assessment |
| NSAID | non-steroidal anti-inflammatory drug |
| NSAID | nonsteroidal anti-inflammatory drug |
| NSAID | nonsteroidal antiinflammatory drug |
| NSAIDs | Non-Steroidal Anti-Inflammatory Drugs |
| NSAIDs | nonsteroidal anti-inflammatory drugs |
| NSAIDs | nonsteroidal antiinflammatory drugs |
| NSCLC | non-small cell lung cancer |
| NSCLC | non-small-cell lung cancer |
| NSQIP | National Surgical Quality Improvement Program |
| NSTE-ACS | non-ST-elevation acute coronary syndrome |
| NSTEMI | non-ST-elevation myocardial infarction |
| NSTI | necrotizing soft tissue infections |
| NT-pro-BNP | N-terminal pro-brain natriuretic peptide |
| NT-proBNP | N-terminal pro-B-type natriuretic peptide |
| NT-proBNP | N-terminal pro-brain natriuretic peptide |
| NT-proBNP | N-terminal proBNP[ |
| NTC | Normal transit constipation |
| NTCTCSG | National Thyroid Cancer Treatment Cooperative Study Group |
| NTG | nitroglycerin |
| NVE | native valve endocarditis |
| NVI | neovascularization of the iris |
| NVO | Native Vertebral Osteomyelitis |
| NVP | nevirapine |
| NWCL | New World cutaneous leishmaniasis |
| NYHA | New York Heart Association |
| OA | oral antihistamines |
| OA | osteoarthritis |
| OAG | open angle glaucoma |
| OAG | open-angle glaucoma |
| OAR | Open aneurysm repair |
| OAS | Oral allergy syndrome |
| OBD | Opioid bowel dysfunction |
| OBOT | Office-Based Opioid Treatment |
| OC | Ocular Cysticercosis |
| OC | oral contraceptive |
| OC | oral contraceptives |
| OCP | oral contraceptive pill |
| OCS | oral corticosteroids |
| OCT | Optical coherence tomography |
| ODT | oral dissolving tablet |
| OGTT | oral glucose tolerance test |
| OGTT | oral glucose tolerance test (1.75 g/kg |
| OHA | oral hypoglycemic agent |
| OHP | 17-hydroxyprogesterone |
| OHSS | ovarian hyperstimulation syndrome |
| OHTS | Ocular Hypertension Treatment Study |
| OI | opportunistic infection |
| OIC | opioid-induced constipation |
| OLT | orthotopic liver transplantation |
| OME | otitis media with effusion |
| OMMP | Ocular Mucous Membrane Pemphigoid |
| ONH | optic nerve head |
| ONJ | osteonecrosis of the jaw |
| OOWS | Objective Opioid Withdrawal Scale |
| OP | osteoporosis |
| OPO | organ procurement organization |
| OPTIMIZE-HF | Organized Program to Initiate Lifesaving Treatment in Hospitalized Patients with Heart Failure |
| OPV | oral polio vaccine |
| OPV | Oral poliovirus vaccine |
| ORS | oral rehydration solution |
| ORT | Opioid Risk Tool |
| OS | Omenn syndrome |
| OS | ovarian function suppression |
| OS | overall survival |
| OSA | obstructive sleep apnea |
| OSR | open surgical reduction |
| OSR | open surgical repair |
| OTC | over the counter |
| OTC | over-the-counter |
| OTP | Opioid Treatment Program |
| OTP | Opioid Treatment Programs |
| OTS | Opioid Treatment Services |
| OUD | Opioid use disorder |
| OVD | ophthalmic viscosurgical device |
| OXC | oxcarbazepine |
| p | pressure |
| p | pulsatile |
| P/D | pleurectomy/decortication |
| P4 | progesterone |
| P53 | cellular tumor antigen p53 or tumor protein p53 |
| PA | post-acute |
| PA | posteroanterior |
| PA | Primary aldosteronism |
| PA | pulmonary artery |
| PAC | plasma aldosterone concentration |
| PAC | premature atrial contraction |
| PAC | primary angle closure |
| PACU | pediatric acute care unit |
| PAD | Peripheral Arterial Disease |
| PAD | peripheral artery disease |
| PAH | pulmonary artery hypertension |
| PAI | Primary adrenal insufficiency |
| PAL | Physical Activity Levels |
| PAM | primary acquired melanosis |
| PANSS | Positive and Negative Symptom Scale |
| PANSS | Positive and Negative Symptoms Scale |
| PAP | positive airway pressure |
| PAP | Pulmonary alveolar proteinosis |
| PAPA | pyogenic arthritis |
| PAR | perennial allergic rhinitis |
| PAS | Patient Activity Scale |
| PAS | peripheral anterior synechiae |
| PASP | pulmonary artery systolic pressure |
| PAWP | pulmonary artery wedge pressure |
| PAX8 | paired box protein Pax 8 or paired box 8 |
| PB | peripheral blood |
| PB | phenobarbital |
| PBPC | peripheral-blood progenitor cell |
| PC | Palliative Care |
| PC | platelet concentrate |
| PC | posterior chamber |
| PCCCL | pediatric congenital cardiac catheterization laboratory |
| PCEF | peak cough expiratory flow |
| PCI | percutaneous coronary intervention |
| PCO | polycystic ovaries |
| PCO | Posterior Capsular Opacification |
| PCOS | polycystic ovarian syndrome |
| PCOS | polycystic ovary syndrome |
| PCP | phencyclidine |
| PCP | Pneumocystis jirovecii pneumonia |
| PCP | pneumocystis pneumonia |
| PCR | polymerase chain reaction |
| PCR | protein-to-creatinine ratio |
| PCS | primary cytoreductive surgery |
| PCV | pneumococcal conjugate vaccine |
| PCV13 | 13-valent pneumococcal conjugate vaccine |
| PCV13 | pneumococcal conjugate vaccine 13 |
| PCV7 | 7-valent PCV[ |
| PCWP | pulmonary capillary wedge pressure |
| PD | peritoneal dialysis |
| PD | programmed death |
| PD-1 | programmed death 1 |
| PD-L1 | programmed death ligand 1 |
| PDE4i | phosphodiesterase 4 inhibitor [[23]*apremilast] |
| PDGF | platelet-derived growth factor |
| PDMP | Prescription Drug Monitoring Program |
| PDMP | prescription drug monitoring programs |
| PDR | proliferative diabetic retinopathy |
| PDT | photodynamic therapy |
| PE | pulmonary embolism |
| PEA | pulseless electric activity |
| PECT-CT | single-photon emission tomography/computed tomography |
| PEDIS | perfusion |
| PEEP | positive end-expiratory pressure |
| PEF | peak expiratory flow rate measurement |
| PEG | percutaneous endoscopic gastrostomy |
| PEG | polyethylene glycol |
| PEG-ELS | polyethylene glycol-electrolyte lavage solution |
| pegIFN-a | pegylated interferon-alpha |
| PEI | percutaneous ethanol injection |
| PER | protein excretion rate |
| PES | paclitaxel-eluting stent |
| PES | Pediatric Endocrine Society |
| PES | post-extubation stridor |
| PET | fludeoxyglucose |
| PET | fludeoxyglucose-positron emission tomography |
| PET | Positron emission tomography |
| PEX | plasma exchange |
| PFAPA | periodic fever |
| PFAPA | Periodic fever with aphthous stomatitis |
| PFAPA | periodic fevers with aphthous stomatitis |
| PFO | patent foramen ovale |
| PFS | progression-free survial |
| PFS | progression-free survival |
| PG | plasma glucose |
| PGBH | post-gastric bypass hypoglycemia |
| PGM3 | Phosphoglycerate mutase 3 |
| PgR | progesterone receptor |
| PH | paradoxical hypertrichosis |
| PH | Pulmonary hypertension |
| PHA | Phytohemagglutinin |
| PHA-2 | pseudohypoaldosteronism type 2 (familial hypertension and hyperkalemia with normal glomerular filtration rate) |
| PHEO | pheochromocytoma |
| PHN | post-herpetic neuralgia |
| PHN | postherpetic neuralgia |
| PHP | Physician Health Program |
| PHT | phenytoin |
| PHTN | pulmonary hypertension |
| PI | Prescribing Information |
| PI | protease inhibitor |
| PI/r | ritonavir-boosted protease inhibitor |
| PICU | pediatric intensive care unit |
| PIDD | primary immunodeficiency disease |
| PIDS | Pediatric Infectious Diseases Society |
| PIGFD | primary IGF-I deficiency |
| PIP | proximal interphalangeal joint |
| PJI | Prosthetic joint infection |
| PJRT | permanent form of junctional reciprocating tachycardia |
| PK | pharmacokinetically |
| PLAID | Phospholipase Cg2-associated antibody deficiency and immune dysregulation |
| PLATO | PLATelet Inhibition and Patient Outcomes study |
| PLWH | persons living with HIV |
| PM | pacemaker |
| PM | portable monitors |
| PMBC | percutaneous mitral balloon commissurotomy |
| PMNs | polymorphonuclear cells |
| PMP | postmenopausal |
| PMS2 | Postmeiotic segregation increased 2 |
| PMT | pacemaker-mediated tachycardia |
| PN | parenteral nutrition |
| PN | Partial nephrectomy |
| PNH | paroxusmal nocturnal hemoglobinuria |
| PNS | penicillin-nonsusceptible |
| PNU | protein nitrogen unit |
| PO | by mouth |
| PO | oral |
| PO | orally |
| PO | per os |
| POAG | primary open-angle glaucoma |
| POC | point of care |
| POC | point-of-care |
| POC | Practicing Ophthalmologists Curriculum |
| POCT | point of care testing |
| POI | primary ovarian insufficiency |
| POMC | proopiomelanocortin |
| PORT | Patient Outcomes Research Team |
| PPAR | peroxisome proliferator-activated receptor |
| PPBG | post-prandial blood glucose |
| PPD | purified protein derivative |
| PPE | palmoplantar erythrodysaesthesia |
| PPG | Postprandial glucose |
| PPI | proton pump inhibitor |
| PPI | proton pump inhibitors |
| PPI | proton-pump inhibitor |
| PPM | personal protective measures |
| PPSV | pneumococcal polysaccharide vaccine |
| PPSV23 | pneumococcal polysaccharide vaccine 23 |
| PPT | Postpartum Thyroiditis |
| PPV | positive predictive value |
| PPV23 | 23-valent pneumococcal polysaccharide vaccine |
| PR | per rectum |
| PR | progesterone receptor |
| PR | pulmonic regurgitation |
| PRA | plasma renin activity |
| PRBC | packed red blood cells |
| pred | predicted |
| PRES | posterior reversible encephalopathy syndrome |
| prescription | URI |
| PRL | prolactin |
| PRM | primidone |
| prn | as needed |
| PRN | asneeded |
| PRN | individualized discontinuous treatment regimen |
| ProACTIVE | Prospective Pioglitazone Clinical Trial in Macrovascular Events |
| PROM | predicted risk of mortality |
| PS | pain score |
| PS | performance status |
| PSA | Prostate specific antigen |
| PSA | prostate-specific antigen |
| PSA | prostatic specific antigen |
| PsA | psoriatic arthritis |
| PSC | posterior subcapsular cataract |
| PSG | polysomnography |
| PSI | PORT Severity Index |
| PSIA | protein synthesis-inhibiting agent |
| PSMA | prostate-specific membrane antigen |
| PSMB8 | Proteasome catalytic subunit b type 8 |
| PSTPIP1 | Proline-serine-threonine phosphatase interacting protein 1 |
| PSV | peak systolic velocity |
| PSVT | paroxysmal supraventricular tachycardia |
| PT | partial thromboplastin time |
| PT | Physical therapy |
| PT | prothrombin time |
| pt(s) | patient(s) |
| PTA | percutaneous transluminal angioplasty |
| PTB | probe to bone |
| PTC | papillary thyroid cancer |
| PTC | papillary thyroid carcinoma |
| PTCA | percutaneous transluminal coronary angioplasty |
| PTEN | gene: phosphatase and tensin homolog |
| PTEN | phosphatase and tensin homolog |
| PTINR | Prothrombin Time and International Normalized Ratio |
| PTMC | papillary thyroid microcarcinoma |
| PTT | partial thromboplastin time |
| PTU | propylthiouracil |
| PUA | plasma concentration of uric acid |
| PUFA | polyunsaturated fatty acid |
| PUPPS | pruritic urticarial papules and plaques of pregnancy |
| PV | pulmonary vein |
| PVAD | percutaneous ventricular assist device |
| PVC | premature ventricular contraction |
| PVD | peripheral vascular disease |
| PVE | prosthetic valve endocarditis |
| PVR | pulmonary vascular resistance |
| PVR | pulse volume recording |
| PZA | pyrazinamide |
| P[creat] | plasma concentration of creatinine |
| P[phos] | plasma concentration of phosphorus |
| q | every |
| Q | quinidine |
| q day | daily |
| q12h | every 12 hours |
| q3-4d | every 3 to 4 days |
| q3d | every 3 days |
| QA | quality assurance |
| qd | daily |
| qd | once daily |
| qhs | at bedtime |
| qhs | bedtime |
| qhs | every night at bedtime |
| QI | Quality Improvement |
| qid | 4 times a day |
| QID | four times a day |
| qid | four times daily |
| QOL | Quality of Life |
| QOL | quality of live |
| QTc | corrected QT interval |
| QTc | corrected QT interval (on ECG) |
| QwMI | Q-wave myocardial infarction |
| R/O | rule out |
| RA | rheumatoid arthritis |
| RA | right atrial/right atrium |
| RA | right atrium |
| RA | right atrium/atrial |
| RAAS | renin-angiotensin-aldosterone system |
| RADAI | Rheumatoid Arthritis Disease Activity Index |
| RADAR | of Disease Activity in Rheumatology |
| RADT | rapid antigen detection test |
| RAG | Recombination-activating gene |
| RAI | radioactive iodine |
| RAI | radioiodine |
| RAIU | radioactive iodine uptake |
| RAL | raltegravir |
| RAM | RAND/UCLA Appropriateness Method |
| RAP | right atrial pressure |
| RAS | rat sarcoma viral oncogene homolog |
| RAS | Ryden Aggression Scale |
| RBC | red blood cell |
| RBCK1 | RanBP-type and C3HC4-type zinc finger containing 1 |
| RBCs | red blood cells |
| RCC | renal cell cancer |
| RCC | renal cell carcinoma |
| RCM | radiocontrast material |
| RCM | radiocontrast media |
| RCRI | Revised Cardiac Risk Index |
| RCT | randomized |
| RCT | randomized clinical trial |
| RCT | randomized controlled trial |
| RCT | randomized controlled trial. |
| RCT | randomized controlled trials |
| RCTs | randomized |
| RCTs | randomized controlled trials |
| RD | registered dietician |
| RDA | recommended daily allowance |
| RDI | respiratory disturbance index |
| RDN | registered dietitian nutritionist |
| RECIST | Response Evaluation Criteria In Solid Tumors |
| Recs | recommendations |
| RET | REarranged during Transfection |
| RF | radio frequency |
| RF | regurgitant fraction |
| RF | rheumatoid factor |
| RF | risk factor |
| RFA | radiofrequency ablation |
| RFB | rifabutin |
| RFS | recurrence-free survival |
| rFVIIa | recombinant activated factor VII[ |
| RHC | right heart catheterization |
| RhD | Rhesus D |
| rhTSH | Recombinant human thyroid-stimulating hormone |
| rhTSH | recombinant human thyrotropin |
| RIDDLE | Radiosensitivity |
| RIF | rifampin |
| rK39 | recombinant K39 antigen |
| RLN | recurrent laryngeal nerve |
| RLQ | right lower quadrant |
| RMR | Resting Metabolic Rate |
| RNFL | retinal nerve fiber layer |
| Ro/La | an autoantibody system |
| ROR | risk of recurrence |
| RP | radical prostatectomy |
| RPE | Retinal pigment epithelium |
| RPM | revolutions per minute |
| RPR | rapid plasma reagin |
| RPT | rifapentine |
| rPTH | recombinant parathyroid hormone 1-34 |
| RPV | rilpivirine |
| RR | relative risk |
| RS | recurrence score |
| RS | rhinosinusitis |
| RSV | Respiratory syncytial virus |
| RSVVRE | vancomycin-resistant enterococcus |
| RT | radiation therapy |
| RT | radiotherapy |
| RT | reverse transcriptase |
| RT-CGM | real-time CGM[ |
| rtPA | recombinant tissue plasminogen activator |
| RTV | ritonavir |
| RV | right ventricle |
| RV | right ventricle/right ventricular |
| RV | right ventricular |
| RVH | right ventricular hypertrophy |
| RVol | regurgitant volume |
| RVOT | right ventricular outflow tract |
| RVR | rapid ventricular response |
| RVRTC | raised-volume rapid thoracoabdominal compression |
| Rx | prescription |
| Rx | therapy |
| Rx | treatment |
| RYGB | Roux-en-Y gastric bypass |
| S | sclera |
| S & Sx | signs and symptoms |
| S. aureus | Staphylococcus aureus |
| S. [aureus] | Staphylococcus aureus |
| S/P | status post |
| SA | South Asian |
| SABA | short acting b2 agonist |
| SABA | short-acting b-agonist References 1. Accolate(R) [package insert]. Wilmington DE: AstraZeneca LP[ |
| SAD | Specific antibody deficiency |
| SAE | serious adverse event |
| SAH | subarachnoid hemorrhage |
| SAM | Severe dermatitis |
| SAMHSA | Substance Abuse and Mental Health Services Administration |
| SAP | standard automated perimetry |
| SAP | static threshold perimetry |
| SAR | Seasonal allergic rhinitis |
| SAR | specific absorption rate |
| SARS | Severe Acute Respiratory Syndrome |
| SAs | South Asians |
| SAT | self-administered therapy |
| SAVR | surgical aortic valve replacement |
| SBI | Screening and Brief Intervention |
| SBIRT | Screening |
| SBP | systolic blood pressure |
| SBRT | stereotactic body radiation therapy |
| SBT | spontaneous breathing trial |
| SbV | pentavalent antimony |
| SC | subcutaneous |
| SC | subcutaneously |
| SCAI | Society for Cardiac Angiography and Interventions |
| SCAR | Severe Cutaneous Adverse Reactions |
| SCC | squamous cell carcinoma |
| SCD | sickle cell disease |
| SCD | sudden cardiac death |
| SCFE | slipped capital femoral epiphysis |
| SCI | spinal cord injury |
| SCID | severe combined immunodeficiency |
| SCIT | subcutaneous immunotherapy |
| SCN | Severe congenital neutropenia |
| SCr | serum creatinine |
| SCT | stem-cell transplantation |
| SD | stable disease |
| SD-OCT | spectral domain optical coherence tomography |
| SDAI | Simplified Disease Activity Index |
| SDB | sleep-disordered breathing |
| SDS | standard deviation score |
| SE | sleep efficiency |
| sec | second(s) |
| SEC | secukinumab |
| SERM | selective estrogen receptor modulator |
| SERMs | Selective Estrogen Receptor Modulators |
| SES | sirolimus-eluting stent |
| SFA | seminal fluid analysis |
| SFA | superficial femoral artery |
| SFN | suspicious for Follicular Neoplasm |
| SGA | small for gestational age |
| SGD | Specific granule deficiency |
| SGLT | sodium-glucose linked transporter |
| SGLT-2 | sodium-glucose co-transporter 2 |
| SGLT2 | sodium-glucose linked transporter-2 |
| SH | Subclinical Hyperthyroidism |
| SH3BP2 | SH3-domain binding protein 2 |
| SHBG | sex hormone binding globulin |
| SHBG | sex hormone-binding globulin |
| SHD | structural heart disease (including ischemic heart disease) |
| SHEA | Society for Healthcare Epidemiology of America |
| SHEA | The Society for Healthcare Epidemiology of America |
| SHL | sudden hearing loss |
| SI | Systeme International |
| SIGAD | Selective IgA deficiency |
| sIgE | allergen-specific IgE |
| SIGN | Scottish Intercollegiate Guideline Network |
| SIHD | Stable Ischemic Heart Disease |
| SIJ | sacroiliac injections |
| SIR | standardized infection ratio |
| SIRS | systemic inflammatory response syndrome |
| SISI | Short increment sensitivity index |
| SIT | saline infusion test |
| SITC | Society for Immunotherapy of Cancer |
| SJ | swollen joint |
| SJS | Stevens-Johnson syndrome |
| SKOT | Scottish Childhood Obesity Treatment Trial |
| SLC46A1 | Solute carrier family 46 |
| SLE | systemic lupus erythematosis |
| SLE | systemic lupus erythematosus |
| SLIT | sublingual immunotherapy |
| SLK | Superior Limbic Keratoconjunctivitis |
| SLN | sentinel lymph node |
| SLN | superior laryngeal nerve |
| SLN | superior laryngeal nerves |
| SM | Systemic mastocytosis |
| SMA | superior mesenteric artery |
| SMBG | self-monitoring blood glucose |
| SMD | standardized mean difference |
| SMX-TMP | sulfamethoxazole-trimethoprim |
| SND | Sinus Node Dysfunction |
| SNFs | Skilled-nursing facilities |
| SNHL | sensorineural hearing loss |
| SNP | Sniff nasal pressure |
| SNRI | Selective Norepinephrine Reuptake Inhibitors |
| SNRI | selective serotonin-norepinephrine reuptake inhibitors |
| SNRI | serotonin norepinephrine re-uptake inhibitor |
| SNRI | serotonin norepinephrine reuptake inhibitor |
| SNRI | serotonin-norepinephrine reuptake inhibitor |
| SNRI(s) | serotonin-norepinephrine reuptake inhibitors |
| SNRIs | serotonin and norepinephrine reuptake inhibitors |
| SNRIs | serotonin norepinephrine reuptake inhibitors |
| SOT | solid organ transplant |
| SOWS | Subjective Opioid Withdrawal Scale |
| SpA | spondyloarthritis |
| SPAD | specific polysaccharide antibody deficiency |
| SPECT | single-photon emission computerized tomography |
| SPENCD | Spondyloenchondrodysplasia with immune dysregulation |
| SPM | second primary malignancy |
| SpO2 | saturation of peripheral oxygen |
| SPP | skin perfusion pressure |
| spp | species |
| SPT | skin puncture test |
| SQ | sequentially |
| SQ | subcutaneous |
| SQV | saquinavir |
| SR | strong |
| SR | sustained-release |
| SR | systematic review |
| SR | systemic reaction |
| SRL | somatostatin receptor ligand |
| SRLs | somatostatin receptor ligands |
| SRM | small renal mass |
| SRMs | small renal masses |
| SRs | systemic reactions |
| SRT | stereotactic radiotherapy |
| SS | Site Scores |
| SS | Summary Statement |
| SS | summary statement: UP |
| SSA | anti-Sjoegren syndrome A antibody (anti-Ro) |
| SSB | anti-Sjoegren syndrome B antibody (anti-La) |
| SSB | sugar-sweetened beverages |
| SSBs | sugar-sweetened beverages |
| SSI | sliding scale insulin |
| SSI | sliding-scale [44]*insulin |
| SSI | surgical site infection |
| SSIs | surgical site infections |
| SSNHL | sudden sensorineural hearing loss |
| SSRI | selective serotonin re-uptake inhibitor |
| SSRI | selective serotonin reuptake inhibitor |
| SSRI | selective serotonin-reuptake inhibitors |
| SSRI(s) | selective serotonin reuptake inhibitors |
| SSRIs | selective serotonin reuptake inhibitors |
| SST | somatostatin receptor |
| SSTI | and Soft Tissue Infections |
| SSTI | skin and soft tissue infection |
| SSTI | skin and soft tissue infections |
| SSTI | skin and soft-tissue infection |
| SSTIs | and soft tissue infections |
| SSZ | sulfasalazine |
| STAMPEDE | Systemic Therapy in Advancing or Metastatic Prostate Cancer: Evaluation of Drug Efficacy |
| StAR | steroidogenic acute regulatory protein |
| STAT | Signal transducer and activator of transcription |
| STC | Slow transit constipation |
| STD | sexually transmitted disease |
| STDs | sexually transmitted diseases |
| STEC | Shiga toxin-producing E.coli |
| STEMI | ST-elevation myocardial infarction |
| STN | the subthalamic nucleus |
| STOP-NIDDM | Study to Prevent Non-Insulin-Dependent Diabetes Mellitus |
| STR | single-tablet regimen |
| STS | of Thoracic Surgeons |
| STS | Society of Thoracic Surgeons |
| SU | sulfonylurea |
| subcut | subcutaneous |
| SUD | substance use disorder |
| SUSP | suspicious |
| SUSP | suspicious for papillary carcinoma |
| Sv | Sievert |
| SVC | superior vena cava |
| SVG | saphenous vein graft |
| SVR | sustained viral response |
| SVS | for Vascular Surgery |
| SVS | Society for Vascular Surgery |
| SVT | supraventricular tachycardia |
| Sx | symptoms |
| T | testosterone |
| T 1/2 | half-life |
| T 1/2 | half-life |
| t1/2 | half-life |
| T1DM | type 1 diabetes mellitus |
| T20 | enfuvirtide |
| T2DM | type 2 diabetes mellitus |
| T3 | triiodothyronine |
| T4 | thyroid hormone |
| T4 | thyroxin |
| T4 | thyroxine |
| TA | toxic adenoma |
| TA | tricuspid annular |
| TACE | transarterial chemoembolization |
| TACI | Transmembrane activator and CAML interactor |
| TAF | tenofovir alafenamide |
| TAH | total artificial heart |
| TAP | Treatment of Age-Related Macular Degeneration with Photodynamic Therapy |
| TASS | Toxic anterior segment syndrome |
| TAVR | transcatheter aortic valve replacement |
| TB | tuberculosis |
| TBG | Thyroxine binding globulin |
| TBI | toe-brachial index |
| TBI | traumatic brain injury |
| TBK1 | TANK-binding kinase 1 |
| TC | Toxigenic culture |
| TC/Total-C | total cholesterol |
| TCA | tricyclic antidepressant |
| TCA(s) | tricyclic antidepressants |
| TCAs | tricyclic antidepressants |
| TCC | total contact cast |
| TCD | transcranial Doppler |
| TcPO | transcutaneous oxygen pressure |
| TcPO2 | transcutaneous oxygen pressure |
| TCR | T-cell receptor |
| Td | tetanus and diphtheria toxoids (adult/ adolescent formulation) |
| Td | tetanus-diphtheria |
| Td | tetanus-reduced diphtheria vaccine |
| Tdap | tetanus and diphtheria toxoids and acellular pertussis (adult/adolescent formulation) |
| Tdap | tetanus-diphtheria-pertussis |
| Tdap | tetanus-reduced diphtheria-reduced acellular pertussis vaccine |
| TDD | total daily dose |
| TDF | tenofovir disoproxil fumarate |
| TDM | therapeutic drug monitoring |
| TdP | torsades de pointes |
| TEA | Total Elbow Arthroplasty |
| TEE | for transesophageal echocardiography |
| TEE | includes transesophageal echocardiography |
| TEE | transesophageal echocardiogram |
| TEE | transesophageal echocardiography |
| TEN | toxic epidermal necrolysis |
| TEN | toxic epidermal necrosis |
| TENS | transcutaneous electrical nerve stimulation |
| TEVAR | thoracic endovascular aortic repair |
| TfR2 | transferrin receptor-2 |
| TFTs | thyroid function tests |
| Tg | thyroglobulin |
| TG | triglyceride |
| TG | triglycerides |
| TgAb | thyroglobulin antibody |
| TGN | 6-thioguanine |
| THA | total hip arthroplasty |
| THI | Transient hypogammaglobulinemia of infancy |
| THRB | thyroid hormone receptor b |
| TIA | transient ischemic attack |
| TIB | time in bed |
| TICAM1 | Toll-like receptor adaptor molecule 1 |
| tid | 3 times a day |
| tid | 3 times daily |
| TID | three times a day |
| tid | three times daily |
| TIMI | Thrombolysis In Myocardial Infarction |
| TIV | Tracheostomy invasive ventilation |
| TJ | tender joint |
| TKA | total knee arthroplasty |
| TKI | tyrosine kinase inhibitor |
| TKI | tyrosine-kinase inhibitor |
| TLESR | Transient Lower Esophageal Sphincter Relaxation |
| TLR | Toll-like receptor |
| TM | Miniature Telescope |
| TM | tympanic membrane |
| TMA | transmetatarsal amputation |
| tmax | time of maximum concentration |
| TMC6 | transmembrane channel-like 6 |
| TMEM173 | Transmembrane protein 173 |
| TMEP | telangiectasia macularis eruptiva perstans |
| TMNG | toxic multinodular goiter |
| TMP-SMX | trimethoprim-sulfamethoxazole |
| TMP-SMX | trimethoprim/sulfamethoxazole |
| TMP-SMX DS | trimethoprim-sulfamethoxazole double strength (160/800 mg) |
| TmP/GFR | tubular maximum for phosphate corrected for glomerular filtration rate |
| TMP/SMX | trimethoprim/sulfamethoxazole |
| TMR | transmyocardial revascularization |
| TMS | transcranial magnetic stimulation |
| TN | triple negative |
| TNF | tumor necrosis factor |
| TNF-a | tumor necrosis factor |
| TNFi | tumor necrosis factor inhibitor |
| TNFi | tumor necrosis factor-alpha inhibitors |
| TNFRSF | TNF receptor superfamily |
| TNFSF | TNF superfamily |
| TnI | troponin I |
| TnT | troponin T |
| TP | toe pressure |
| TPM | topiramate |
| TPMT | thiopurine methyltransferase |
| TPN | total parenteral nutrition |
| TPO | thyroid peroxidase |
| TPOAb | autoantibodies to thyroid peroxidase |
| TPS | tumor proportion score |
| TPV | tipranavir |
| TR | tricuspid regurgitation |
| TR maxPG | peak gradient of tricuspid regurgitation |
| TR Vmax | tricuspid regurgitation peak velocity |
| TRa | thyroid hormone receptor-a |
| TRAb | thyrotropin receptor antibodies |
| TRAb | thyrotropin receptor autoantibody |
| TRAF3 | TNF receptor-associated factor 3 |
| TRALI | transfusion-related acute lung injury |
| TRAPS | TNF receptor-associated fever syndrome |
| TRAPS | TNF receptor-associated periodic syndrome |
| TRb | thyroid hormone receptor-b |
| TREC | T-cell receptor excision circle |
| Treg | Regulatory T |
| TRF | Teacher Report Form |
| TRH | Thyrotropin releasing hormone |
| TRV | tricuspid regurgitant jet velocity |
| TS | transferrin saturation |
| TS | tricuspid stenosis |
| TSH | thyroid stimulating hormone |
| TSH | thyroid stimulating hormone. |
| TSH | thyroid-stimulating hormone |
| TSH | thyrotropin |
| TSI | thyroid stimulation immunoglobulin |
| TSS | toxic shock syndrome |
| TSS | transsphenoidal selective adenomectomy |
| TST | total sleep time |
| TST | tuberculin skin test |
| TT | thrombin time |
| TT | total or near-total thyroidectomy |
| TT | total testosterone |
| TT4 | total T4 |
| TTE | over transthoracic echocardiography |
| TTE | transthoracic echocardiogram |
| TTE | Transthoracic echocardiography |
| TTE | transthoracic echocardiography/echocardiogram |
| TTF-1 | thyroid transcription factor 1 |
| TTF1 | transcription termination factor 1 |
| TTO | the middle otorrhea |
| TTO | tympanostomy tube otorrhea |
| TTP | Thrombotic thrombocytopenic purpura |
| TTX | total thyroidectomy |
| TUR | transurethral resection |
| TV | television |
| TV | tricuspid valve |
| TVR | tricuspid valve replacement |
| TXNRD2 | thioredoxin reductase |
| TZD | thiazolidinedione |
| U | units |
| UA | unstable angina |
| UA/NSTEMI | unstable angina/non-ST-elevation myocardial infarction |
| UACR | urine [55]*albumin-to-creatinine ratio |
| UAH | unilateral adrenal hyperplasia |
| uAPR | urine albumin-to-protein ratio |
| UDT | urine drug testing |
| UE | upper extremity |
| UFC | urine free cortisol |
| UFH | unfractionated heparin |
| UFH | unfractionated herparin |
| UGPS | Ungraded Good Practice Statement |
| UGT | uridine diphosphate glucuronosyltransferase |
| UICC | American Joint Committee on Cancer/Union for International Cancer Control |
| UICC | Union for International Cancer Control |
| UKPDS | UK Prospective Diabetes Study |
| UKPDS | United Kingdom Prospective Diabetes Study |
| ULN | upper limit of normal |
| ULN | upper limits of normal |
| ULRR | upper limit of the reference range |
| ULT | urate-lowering therapy |
| UP | urticaria pigmentosa |
| UPLM | unprotected left main disease |
| URI | upper respiratory infection |
| UROD | Ultra-Rapid Opioid Detoxification |
| US | ultrasonography |
| US | ultrasound |
| US | United States |
| US ALFSG | United States Acute Liver Failure Study Group |
| US CDC | United States Center for Disease Control |
| USD | United States dollars |
| USDA | United States Department of Agriculture |
| USMSTF | U.S. Multi-Society Task Force on Colorectal Cancer |
| UTI | urinary tract infection |
| UV | ultraviolet |
| U[alb] | urine concentration of albumin |
| U[creat] | urine concentration of creatinine |
| U[phos] | urine concentration of phosphorus |
| U[prot] | urine concentration of protein |
| U[UA] | urine concentration of uric acid |
| v | velocity |
| V | volts |
| V/Q | ventilation-perfusion lung scan |
| VAD | Ventricular Assist Device |
| VAP | ventilator acquired pneumonia |
| VAP | ventilator-associated pneumonia |
| VAR | varicella vaccine |
| VAT | ventilator-associated tracheobronchitis |
| VATS | video-assisted thoracoscopic surgery |
| VC | vital capacity |
| VCD | vascular closure device |
| VCD | vocal cord dysfunction |
| VCSS | Venous Clinical Severity Scoring |
| VCTE | vibration-controlled transient elastography |
| VEGF | vascular endothelial growth factor |
| VEGF | vascular endothelial growth factor receptor |
| VF | ventricular fibrillation |
| VF | vocal fold |
| VHD | valvular heart disease |
| VIP | Verteporfin in Photodynamic Therapy |
| VISA | vancomycin-intermediate S. aureus |
| VIT | venom immunotherapy |
| VKA | vitamin K antagonist |
| VKA | vitamin K antagonists |
| VL | Visceral Leishmaniasis |
| VLCFA | very long chain fatty acid |
| VLU | venous leg ulcer |
| VMA | vitreomacular adhesion |
| Vmax | maximal velocity |
| VMS | vasomotor symptoms |
| VMT | vitreomacular traction |
| VO2 | oxygen consumption |
| VODI | Hepatic veno-occlusive disease with immunodeficiency |
| Vo[2] | oxygen consumption |
| VP | Permanent ventriculoperitoneal |
| VP | ventriculoperitoneal |
| VPA | valproate |
| VQ | ventilation-perfusion |
| VQI | Vascular Quality Initiative |
| Vr | PSV velocity ratio (PSV at the site of a stenosis divided by the PSV in a normal vessel segment proximal to the stenosis) |
| VR | range Virologic |
| VRA | Visual reinforcement audiometry |
| VRE | vancomycin resistant enterococci |
| VRE | vancomycin-resistant enterococci |
| VRE | vancomycin-resistant Enterococcus |
| VRS | viral rhinosinusitis |
| VS | vestibular schwannoma |
| VSG | vertical sleeve gastrectomy |
| VT | ventricular tachycardia |
| VTE | venous thromboembolic |
| VTE | venous thromboembolism |
| VVA | of vulvovaginal atrophy |
| VVA | vulvovaginal atrophy |
| VVC | Recurrent vulvovaginal candidiasis |
| VZV | varicella (herpes) zoster |
| VZV | varicella zoster virus |
| VZV | varicella zoster virus. |
| VZV | varicella-zoster virus |
| VZV | Zoster Virus |
| V[max] | maximal velocity |
| W | watts |
| w | week(s) |
| WAS | Wiskott-Aldrich syndrome |
| WBC | White blood cell |
| WBC | white blood cell count |
| WBS | whole body scan |
| WC | waist circumference |
| WHI | Women's Health Initiative |
| WHIM | Warts |
| WHO | World Health Organization |
| WIfI | Wound Ischemia and foot Infection |
| wk | week |
| wk | week(s) |
| WPW | Wolff-Parkinson-White |
| WR | weak |
| WR | weight regain |
| WWE | women with epilepsy |
| XL | extended release. |
| XLP | X-linked lymphoproliferative disease |
| XOI | xanthine oxidase inhibitor |
| XR | radiography |
| y | year |
| yr | year(s) |
| ZDV | zidovudine |
| ZOS | zoster vaccine. |