Dictionary of Medical Acronyms & Abbreviations

[ A ]

• ac  acceleration; acetyl; acid; acromioclavicular; acute; alternating current; antecubital; anterior chamber; atrial contraction; axiocervical
• 5-AC  azacitidine
• ACA  abnormal coronary artery; acrodermatitis chronica atrophicans; acute cerebellar ataxia; adenocarcinoma; adult child of an alcoholic; American Chiropractic Association; American College of Allergists; American College of Anesthesiologists; American College of Angiology; American College of Apothecaries; American Council on Alcoholism; American Counseling Association; aminocephalosporanic acid; ammonia, copper, and acetate; amyotrophic choreo-acanthocytosis; anisotropic conductive adhesive; anterior cerebral artery; anterior communicating aneurysm [or artery]; anticapsular antibody; anticardiolipin antibody; anticentromere antibody; anticollagen antibody; anticomplement activity; anticytoplasmic antibody; arrhythmic cardiac arrest; automatic chemical agent alarm; Automatic Clinical Analyzer
• AC/A  accommodative convergence/accommodation [ratio]
• ACAAI  American College of Allergy, Asthma and Immunology
• ACAC  acetyl-coenzyme A cocarboxylase; activated charcoal artificial cell
• ACACN  American Council of Applied Clinical Nutrition
• ACACT  acyl-coenzyme A:cholesterol acyl transferase
• ACAD  asymptomatic coronary artery disease; atherosclerotic carotid artery disease; Azithromycin in Coronary Artery Disease [study]
• Acad  academy
• ACADEMIC  Azithromycin in Coronary Artery Disease Elimination of Myocardial Infection with Chlamydia [study]
• A-CAH  autoimmune chronic active hepatitis
• ACAM  American College for Advancement in Medicine
• ACAO  acyl coenzyme A oxidase
• ACAPS  Asymptomatic Coronary Artery Plaque Study; Asymptomatic Coronary Artery Progression Study
• ACAS  adaptive cluster analysis system
• ACAT  acetyl coenzyme A acetyltransferase; automated computerized axial tomography
• ACAV  Acara virus; American Committee on Arthropod-Borne Viruses
• ACB  antibody-coated bacteria; aortocoronary bypass; arterialized capillary blood; asymptomatic carotid bruit
• ACBaE  air contrast barium enema
• ACBC  aminocyclobutanecarboxylic acid
• AC/BC  air conduction/bone conduction [time ratio]
• ACBE  air contrast barium enema
• ACBG  aortocoronary bypass graft
• ACBS  Asymptomatic Cervical Bruit Study
• ACC  accommodation; acetyl coenzyme A carboxylase; acinic cell carcinoma; actinomycin C; acute care center; adenoid cystic carcinoma; administrative control center; adrenocortical carcinoma; agenesis of corpus callosum; alveolar cell carcinoma; ambulatory care center; American College of Cardiology; anodal closure contraction; anterior cingulate cortex; antitoxin-containing cell; aplasia cutis congenita; articular chondrocalcinosis; automated cell count; automated cell counter
• Acc  acceleration; adenoid cystic carcinoma
• acc  acceleration, accelerator; accident; accommodation
• ACCA  Advisory Committee on Casualty Assessment [Canada]; American College of Cardiovascular Administrators
• ACC/AHA  American College of Cardiology/American Hospital Association [Task Force]
• ACCE  American College of Clinical Engineering
• ACCEPT  Accupril Canadian Clinical Evaluation and Patient Teaching; American College of Cardiology Electrocardiogram Proficiency Test; American College of Cardiology Evaluation of Preventive Therapies [study]
• ACCESS  A Comparison of Percutaneous Entry Sites for Coronary Angioplasty; Acute Candesartan Cilexetil Evaluation in Stroke Survivors; Ambulatory Care Clinic Effectiveness Systems Study; Atorvastatin Comparative Cholesterol Efficacy and Safety Study; automated cervical cell screening system
• ACCH  Association for the Care of Children's Health
• AcCh  acetylcholine
• AcChR  acetylcholine receptor
• AcCHS  acetylcholinesterase
• accid  accident, accidental
• acc insuff  accommodation insufficiency
• ACCISM  Association of City and County Information System Managers
• ACCL, Accl  anodal closure clonus
• ACCME  Accreditation Council for Continuing Medical Education
• ACCN  accession number
• AcCoA  acetyl coenzyme A
• accom  accommodation
• ACCP  American College of Chest Physicians; American College of Clinical Pharmacology; American College of Clinical Pharmacy
• AcCPV  Arctia caja cypovirus
• ACCR  amylase-creatinine clearance ratio
• ACCS  American-Canadian Cooperative Study
• ACCT  Amlodipine Cardiovascular Community Trial
• accum  accumulation
• accur  accurately [Lat. accuratissime]
• ACD  absolute cardiac dullness; absolute claudication distance; acid-citrate-dextrose [solution]; actinomycin D; active compression-decompression; adult celiac disease; advanced care directive; allergic contact dermatitis; alopecia-contractures-dwarfism [syndrome]; American College of Dentists; ammonium citrate dextrose; angiokeratoma corporis diffusum; annihilation coincidence detection; anterior chamber depth; anterior chest diameter; anticoagulant citrate dextrose; anticonvulsant drug; area of cardiac dullness; Available Chemicals Directory
• AcDB  A C. elegans Database [gene expression]
• AC-DC, ac/dc  alternating current or direct current
• ACD-CPR  active compression-decompression cardiopulmonary resuscitation
• ACD-PCR  active compression-decompression post-compression remodeling
• ACDV  Acado virus
• ACE  acetonitrile; acetylcholine esterase; acute cerebral encephalopathy; acute coronary event; adrenocortical extract; Adverse Childhood Experience [study]; alcohol, chloroform, and ether; analytic continuum electrostatics; angiotensin-converting enzyme; annealed competition of experts [algorithm]; Aspirin and Carotid Endarterectomy [trial]
• ace  acentric; acetone
• ACED  anhidrotic congenital ectodermal dysplasia
• AceDB  A C. elegans Database [gene expression]
• ACEDS  angiotensin-converting enzyme dysfunction syndrome
• ACEH  acid cholesterol ester hydrolase
• ACEI  angiotensin-converting enzyme inhibitor
• ACEIT  applied current electrical impedance tomography
• ACEP  American College of Emergency Physicians
• ACES  Alternans Cardiac Electrical Safety [study]; Azithromycin and Coronary Events Study
• AcEst  acetyl esterase
• ACET  Advisory Committee for the Elimination of Tuberculosis; Azmacort Cost Effectiveness Trial
• ACET, acet  acetone; vinegar [Lat. acetum]
• acetab  acetabular, acetabulum
• acetyl-CoA  acetyl coenzyme A
• ACEV  Anomala cuprea entomopoxvirus
• ACF  accessory clinical findings; active case finding; acute care facility; advanced communication function or facility; anisotropic conductive film [computer-assisted radiology]; anterior cervical fusion; anterior cranial fossa; area correction factor; asymmetric crying facies; autocorrelation function
• ACf  autocorrelation function
• ACFAO  American College of Foot and Ankle Orthopedics and Medicine
• ACFAS  American College of Foot and Ankle Surgeons
• ACG  accelerator globulin; adjusted clinical group; alternative care grant; ambulatory care group; American College of Gastroenterology; angiocardiography, angiocardiogram; aortocoronary graft; apexcardiogram
• AC-G, AcG, ac-g  accelerator globulin
• ACGIH  American Conference of Governmental Industrial Hygienists
• ACGME  Accreditation Council for Graduate Medical Education
• ACGP  American College of General Practitioners
• ACGPOMS  American College of General Practitioners in Osteopathic Medicine and Surgery
• ACGT  antibody-coated grid technique
• ACH  acetylcholine; achalasia; active chronic hepatitis; adrenocortical hormone; air change per hour; amyotrophic cerebellar hypoplasia; arm girth, chest depth, and hip width [nutritional index]
• ACh  acetylcholine
• ACHA  American College Health Association; American College of Hospital Administrators
• AChA  anterior choroidal artery
• ACHD  atherosclerotic coronary heart disease
• ACHE  American College of Healthcare Executives; American Council for Headache Education
• AChE  acetylcholinesterase
• ACHIEVE  Accupril Congestive Heart Failure Investigation and Economic Variable Evaluation
• ACHOO  autosomal dominant compelling helio-ophthalmic outburst [syndrome]
• ACHPER  Australian Council for Health, Physical Education and Recreation [survey]
• ACHPR  Agency for Health Care Policy and Research
• AChR  acetylcholine receptor
• AChRAb  acetylcholine receptor antibody
• AChRP  acetylcholine receptor protein
• ACHS  Australian Council on Healthcare Standards
• AcHV  acciptrid herpesvirus
• ACI  acceleration index; acoustic comfort index; acute cardiac ischemia; acute coronary infarction; acute coronary insufficiency; adenylate cyclase inhibitor; adrenocortical insufficiency; anticlonus index
• ACID  Arithmetic, Coding, Information, and Digit Span
• ACIF  acute care index of functions; anterior cervical interbody fusion; anticomplement immunofluorescence
• AciHV  Acipenserin herpesvirus
• AcINH  acid labile isonicotinic acid hydrazide
• ACIP  acute canine idiopathic polyneuropathy; Advisory Committee on Immunization Practices [CDC]; ambulatory care incentive payment; Asymptomatic Cardiac Ischemia Pilot Study
• ACIR  Australian Clinical Immunisation Register; Automotive Crash Injury Research
• ACIS  ambulatory care information system; automated clinical information system
• ACIT  Asymptomatic Cardiac Ischemia Trial
• ACI-TIPI  acute cardiac ischemia-time insensitive predictive instrument
• AcK  francium [actinium K]
• ACKD  acquired cystic kidney disease
• ACL  access control list; Achievement Check List; acromegaloid features, cutis verticis gyrata, corneal leukoma [syndrome]; American cutaneous leishmaniasis; anterior chamber lens; anterior cruciate ligament; Association for Computa-tional Linguistics
• ACl  aspiryl chloride
• aCL  anticardiolipin [antibody]
• ACLA  American Clinical Laboratory Association
• ACLC  Assessment of Children's Language Comprehension
• ACLD  Association for Children with Learning Disabilities
• ACLE  acute cutaneous lupus erythematosus
• ACLF  adult congregate living facility
• ACLI  American Council on Life Insurance
• ACLM  American College of Legal Medicine
• ACLPS  Academy of Clinical Laboratory Physicians and Scientists
• ACLR  anterior capsulolabral reconstruction
• ACLS  acrocallosal syndrome; advanced cardiac life support; Assessment of Children's Language Comprehension
• AcLV  avian acute leukemia virus
• ACM  access control matrix; acetaminophen; acute cerebrospinal meningitis; adaptive fuzzy c-means algorithm; Adriamycin, cyclophosphamide, methotrexate; albumin-calcium-magnesium; alcoholic cardiomyopathy; alveolar capillary membrane; anticardiac myosin; Arnold-Chiari malformation; asbestos-containing material; Association of Computing Machinery; automated cardiac flow measurement
• ACMC  Association of Canadian Medical Colleges
• ACMD  associate chief medical director
• ACME  Advisory Council on Medical Education; Angioplasty Compared to Medicine [study]; assessing changes in medical education; Automated Classification of Medical Entities
• ACMF  arachnoid cyst of the middle fossa
• ACMG  American College of Medical Genetics
• ACMHV  avian carcinoma Mill Hill virus
• ACMI  age-consistent memory impairment; American College of Medical Informatics
• ACML  atypical chronic myeloid leukemia
• AcMNPV  Autographa californica multicapsid nucleopolyhedrovirus
• ACMP  alveolar-capillary membrane permeability
• ACMR  Advisory Committee on Medical Research
• ACMS  American Chinese Medical Society
• ACMT  artificial circus movement tachycardia
• ACMV  assist-controlled mechanical ventilation
• ACN  acute conditioned neurosis; Ambulatory Care Network; American College of Neuropsychiatrists; American College of Nutrition
• ACNM  American College of Nuclear Medicine; American College of Nurse-Midwives
• ACNP  acute care nurse practitioner; American College of Nuclear Physicians
• ACO  acute coronary occlusion; alert, cooperative, and oriented; anodal closure odor
• ACOA  adult children of alcoholics
• ACoA  anterior communicating artery
• ACODENIC  Advisory Committee on Dental Electronic Nomenclature, Indexing and Classification
• ACOEM  American College of Occupational and Environmental Medicine
• ACOEP  American College of Osteopathic Emergency Physicians
• ACOEV  Araphia conspersa entomopoxvirus
• ACOG  American College of Obstetricians and Gynecologists
• ACOHA  American College of Osteopathic Hospital Administrators
• ACO-HNS  American Council of Otolaryngology-Head and Neck Surgery
• ACOI  American College of Osteopathic Internists
• ACOM  American College of Occupational Medicine; anterior communicating [artery]
• AComA  anterior communicating artery
• ACOMS  American College of Oral and Maxillofacial Surgeons
• ACOOG  American College of Osteopathic Obstetricians and Gynecologists
• ACOP  American College of Osteopathic Pediatricians; approved code of practice
• ACORDE  A Consortium on Restorative Dentistry Education
• ACOS  American College of Osteopathic Surgeons; associate chief of staff
• ACOS/AC  associate chief of staff for ambulatory care
• Acous  acoustics, acoustic
• ACOX  acetyl coenzyme A [CoA] oxidase
• ACP  accessory conduction pathway; acid phosphatase; acyl carrier protein; American College of Pathologists; American College of Pharmacists; American College of Physicians; American College of Prosthodontists; American College of Psychiatrists; Animal Care Panel; anodal closure picture; aspirin-caffeine-phenacetin; Association for Child Psychiatrists; Association of Clinical Pathologists; Association of Correctional Psychologists; Asymptomatic Cardiac Ischemia Pilot Study; atom class pair
• ACPA  American Cleft Palate Association
• AcPase  acid phosphatase
• ACPC  aminocyclopentane carboxylic [acid]
• AC-PC  anterior commissure-posterior commissure
• ACPE  American College of Physician Executives
• AC-PH, ac phos  acid phosphatase
• ACPM  American College of Preventive Medicine
• ACPP  adrenocortical polypeptide; prostate-specific acid phosphatase
• ACPS  acrocephalopolysyndactyly
• ACQUIP  Ambulatory Care Quality Improvement Project
• ACR  abnormally contracting region; absolute catabolic rate; acriflavine; acute-to-chronic ratio; adenomatosis of colon and rectum; adjusted community rate; ambulance call report; American College of Radiology; American College of Rheumatology; anticonstipation regimen; axillary count rate
• Acr  acrylic
• ACRE  Appropriateness of Coronary Revascularization [study]
• ACRF  acute-on-chronic respiratory failure; ambulatory care research facility
• ACRM  American Congress of Rehabilitation Medicine
• ACR/NEMA  American College of Radiology/National Electrical Manufacturers' Association [standard for transferring radiologic images]
• ACS  access control system; acrocallosal syndrome; acrocephalosyndactyly; acute chest syndrome; acute confusional state; acute coronary syndrome; Alcon Closure System; ambulatory care-sensitive [condition]; American Cancer Society; American Chemical Society; American College of Surgeons; anodal closure sound; antireticular cytotoxic serum; aperture current setting; Association of Clinical Scientists; automatic corneal shaper
• ACs  air changes
• ACSA  adenylate cyclase-stimulating activity
• ACSCEPT  Assessment for Carotid Stenosis: Correlation with Endarterectomy Specimen Trial
• ACS CPS  American Cancer Society Cancer Prevention Studies
• ACSE  association control service element
• ACSF  artificial cerebrospinal fluid
• aCSF  artificial cerebrospinal fluid
• AC/SIUG  ambulatory care special-interest user group
• ACSM  American College of Sports Medicine
• ACSML  arbitration and control state machine logic
• ACSP  adenylate cyclase-stimulating protein
• ACSSuT  ampicillin, chloramphenicol, streptomycin, sulfonamides, and tetracyclines
• ACST  Asymptomatic Carotid Surgery Trial
• ACSV  aortocoronary saphenous vein
• ACSVBG  aortocoronary saphenous vein bypass graft
• ACT  abdominal computed tomography; ablation catheter tip; achievement through counseling and treatment; actin; actinomycin; action class torsion; activated clotting time; adaptive current tomography; advanced coronary treatment; Angioplasty Compliance Trial; anterocolic transposition; antichymotrypsin; anticoagulant therapy; anxiety control training; artemisinin combination therapy [malaria]; Association of Cytogenetic Technologists; asthma care training; atropine coma therapy; Attacking Claudication with Ticlopidine [study]; Australian Capital Territory [heroin trial]
• AcT  acceleration time
• Act  activity
• act  actinomycin; activity, active
• ACTA  American Cardiology Technologists Association; automatic computerized transverse axial [scanning]
• Act-C  actinomycin C
• ACTC  alpha-actin, cardiac muscle
• Act-D  actinomycin D
• ACT/DB  Adaptable Clinical Trials Database
• ACTe  anodal closure tetanus
• ACTG  AIDS Clinical Trial Group [study]
• ACTH  adrenocorticotropic hormone
• ACTH-LI  adrenocorticotropin-like immunoreactivity
• ACTHR  adrenocorticotropic hormone receptor
• ACTHR/MC-2  adrenocorticotropin receptor/melanocortin receptor 2
• ACTH-RF  adrenocorticotropic hormone releasing factor
• ACTION  A Coronary Disease Trial Investigating Outcome with Nifedipine GITS; Assisting Carriers Using Telematics Interventions to Meet Older Persons Needs [Ireland]
• ACTIS [NLM database]  Acquired Immunodeficiency Syndrome [AIDS] Clinical Trials Information Service
• activ  active, activity
• ACTN  adrenocorticotropin
• ACTOBAT  Australasian Clinical Trial of Betamethasone and Thyroid-Releasing Hormone
• ACTP  adrenocorticotropic polypeptide
• ACT/PD  actual nursing hours per patient/day
• ACTR  American Club of Therapeutic Radiologists
• ACTS  acute cervical traumatic sprain or syndrome; advanced communication technology satellite; advanced computational testing and simulation [toolkit]; American-Canadian Thrombosis Study; American College Testing Services; Auditory Comprehension Test for Sentences
• ACTUR  Automated Central Tumor Registry
• ACTV  Acatinga virus; activity [UMLS]
• ACU  acquired cold urticaria; acute care unit; agar colony-forming unit; ambulatory care unit
• ACURP  American College of Utilization Review Physicians
• ACUTE  Analysis of Coronary Ultrasound Thrombolysis Endpoints; Assessment of Cardioversion Utilizing Transesophageal Echocardiography [pilot study]
• ACV  acute cardiovascular [disease]; acyclovir; assisted controlled ventilation; atrial/carotid/ventricular; autonomic conduction velocity
• ACVB  aortocoronary venous bypass
• ACVD  acute cardiovascular disease, atherosclerotic cardiovascular disease
• ACx  anomalous circumflex [coronary artery]
• AD  abductor digiti minimi [muscle]; above diaphragm; absorbed dose; acceptable daily intake; accident dispensary; accidental death; acetabular depth; acetate dialysis; active disease; active domain; acute dermatomyositis; addict, addiction; adenoid degeneration [agent]; adjuvant disease; admitting diagnosis; adrenodoxin; adrenostenedione; adult disease; advanced directive; aerosol deposition; affective disorder; after discharge; alcohol dehydrogenase; Aleutian disease; alveolar diffusion; alveolar duct; Alzheimer dementia; Alzheimer disease; analgesic dose; analog device; anodal duration; anterior division; antigenic determinant; appropriate disability; arthritic dose; associate degree; atopic dermatitis; attentional disturbance; Aujeszky disease; autistic disorder; autonomic dysreflexia; autosomal dominant; average deviation; average difference; axiodistal; axis deviation; right ear [Lat. auris dextra; JCAHO unapproved abbreviation]
• A/D  analog-to-digital
• A&D  admission and discharge; ascending and descending
• Ad  adenovirus; adrenal; anisotropic disk
• ad  add [Lat. adde]; let there be added [up to a specified amount, Lat. addetur]; axiodistal; right ear [Lat. auris dextra]
• AD1  Alzheimer disease type I
• ADA  adenosine deaminase; American Dental Association; American Dermatological Association; American Diabetes Association; American Dietetic Association; Americans with Disabilities Act; anterior descending artery; antideoxyribonucleic acid antibody; approved dietary allowance
• ADAA  American Dental Assistants Association
• ADACS  automatic data acquisition and control system
• ADAM  adduct detection by acylation with ³⁵S-methionine; amniotic deformity, adhesion, mutilation [syndrome]; A disintegrin and A metalloprotease; Amsterdam Duration of Antiretroviral Medication [study]
• ADAMHA  Alcohol, Drug Abuse, and Mental Health Administration
• ADAP  American Dental Assistants' Program; Assistant Director of Army Psychiatry
• ADAPC  alcohol and drug abuse prevention and control
• ADAPT  American Disabled for Attendant Programs Today [organization]; Association for Drug and Alcohol Prevention and Treatment; Automated Data Analysis and Pattern Recognition Toolkit
• ADAPTS  acute directional atherectomy prior to stenting
• ADAS  Alzheimer's Disease Assessment Scale
• ADAS-COG  cognitive portion of the Alzheimer's Disease Assessment Scale
• AdASDiM  Adaptive Advisory System for Diabetic Management
• ADase  adenosine deaminase
• ADAU  adolescent drug abuse unit
• ADB  accidental death benefit; archival database
• ADC  adenylate cyclase; adult day care [facility]; affective disorders clinic; Aid to [Families with] Dependent Children; AIDS-dementia complex; albumin, dextrose, and catalase [medium]; ambulance design criteria; analog-to-digital converter; anodal duration contraction; apparent diffusion coefficient; audio-to-digital conversion; average daily census; axiodistocervical
• AdC  adenylate cyclase; adrenal cortex
• ADCA  autosomal dominant cerebellar ataxia
• ADCC  acute disorder of cerebral circulation; antibody-dependent cell-mediated cytotoxicity
• ADCH  autosomal dominant cyclic hematopoiesis
• AD-CHF  acutely decompensated congestive heart failure
• ADCMC  antibody-dependent complement-mediated cytotoxicity
• AdCMVHSV-TK  adenovirus carrying the gene for herpes simplex thymidine kinase
• ADCP  adenosine deaminase complexing protein
• AD-CPEO  autosomal dominant chronic progressive external ophthalmoplegia
• ADCS  Argonz del Castillo syndrome
• ADCY  adenyl cyclase
• ADD  acceptable daily dose; adduction; adenosine deaminase; Anti-Epileptic Drug Development [program]; attention deficit disorder; auditory discrimination in depth; average daily dose
• add  addition; adductor, adduction; let there be added [Lat. addatur]
• ADDH  attention deficit disorder with hyperactivity
• ADD/HA  attention deficit disorder/hyperactivity
• addict  addiction, addictive
• AdDNV  Aceta domestica densovirus
• add poll  adductor pollicis
• ADDS  American Digestive Disease Society
• ADDU  alcohol and drug dependence unit
• ADE  acute disseminated encephalitis; adaptive delay estimation; advanced large-scale integrated computational environment [ALICE] differencing engine; adverse drug event; antibody-dependent enhancement; apparent digestible energy
• Ade  adenine
• ADEAR  Alzheimer Disease Education and Referral [center]
• AdeCbl  adenosyl cobalamine
• ADEE  age-dependent epileptic encephalopathy
• ADEG  Antiarrhythmic Drug Evaluation Group [trial]
• ADEM  academic department of emergency medicine; acute disseminated encephalomyelitis
• AdenCa  adenocarcinoma
• ADEP  Atherosclerotic Disease Evolution by Picotamide [study]
• ADEPT  Applying Diagnosis, Etiology, Prognosis, and Therapy [program]
• adeq  adequate
• ADF  adaptive filter; administrative determination of fault; average duration of failures
• ADFVd  Apple dimple fruit viroid
• AD/FHD  acetabular depth/femoral head diameter
• ADFN  albinism-deafness [syndrome]
• ADFR  activate, depress, free, repeat [coherence therapy]
• ADFS  alternative delivery and financing system
• AD-FSP  autosomal dominant familial spastic paraplegia
• ADG  ambulatory diagnostic group; atrial diastolic gallop; axiodistogingival
• ADH  Academy of Dentistry for the Handicapped; adhesion; alcohol dehydrogenase; antidiuretic hormone; arginine dihydrolase; atypical ductal hyperplasia
• adh  adhesion, adhesive; antidiuretic hormone
• ADHA  American Dental Hygienists Association
• ADH/CA  atypical ductal hyperplasia with adjacent ductal cancer
• ADHD  attention deficit-hyperactivity disorder
• ADHDP  action-dependent dual heuristic programming