Medical Abbreviations Starting With "A"
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| Medical Abbreviation | Meaning |
|---|---|
| a | abortion |
| a | absorbance |
| a | accommodation |
| A | Adenosine |
| a | adriamycin |
| a | ante |
| A | Apical |
| a | artery |
| a̅ | (a with a bar over it) before (from Latin ante) |
| a alternata | alternaria alternata |
| a annua | artemisia annua |
| a baumannii | acinetobacter baumannii |
| a belladonna | atropa belladonna |
| a brassicicola | alternaria brassicicola |
| a californica | artemisia californica |
| a castellanii | acanthamoeba castellanii |
| a cell | amacrine cell |
| a cepa | allium cepa |
| a coenophialum | acremonium coenophialum |
| a culbertsoni | acanthamoeba culbertsoni |
| a duodenale | ancylostoma duodenale |
| a filifolia | artemisia filifolia |
| a githago | agrostemma githago |
| a junii | acinetobacter junii |
| a k amputation | above knee amputation |
| a kiliense | acremonium kiliense |
| a polyphaga | acanthamoeba polyphaga |
| a sativa | avena sativa |
| a tridentata | artemisia tridentata |
| a-line | arterial line |
| a-p | anterior and posterior |
| a-p&lat | anteroposterior and lateral |
| A-T | Ataxia-telangiectasia |
| a-v | atrioventricular |
| a.a. | Amino acids |
| a.a. | Of each (from Latin ana ana) |
| a.c.; AC | Before a meal (from Latin ante cibum) |
| a.h. | Every other hour (from Latin alternis horis) |
| a.p. | Before a meal (from Latin ante prandium) |
| A/B | Acid-base ratio |
| a/c | adriamycin / cyclophosphamide |
| a/c | anterior chamber of eye |
| a/g | albumin globulin ratio |
| a/n | abnormal |
| a/o | alert and oriented |
| a/p | assessment and plan |
| a/p | auscultation and percussion |
| A/W | Alive and well |
| A&E | Accident and Emergency [Department] |
| A&O | Aware and oriented |
| A&Ox3 | Alert and oriented, times 3 (to person, place, and time) |
| A&Ox4 | Alert and oriented, times 4 (to person, place, time, and circumstances) (often used interchangeably with A&Ox3) |
| a&p | anterior and posterior |
| A&P | Auscultation and percussion |
| a&s | ambu & suction |
| A&W | Alive and well |
| a1ad | alpha1 antitrypsin deficiency emphysema |
| A1C | Glycosylated hemoglobin (hemoglobin A1c) |
| a2 | aortic component second heart sound |
| aa | adriamycin |
| aa | african american |
| aa | alcohol abuse |
| AA | Alcoholics Anonymous |
| aa | alopecia areata |
| aa | amino acid |
| aa | amyloid protein A |
| aa | aortic aneurysm |
| aa | aortic arch |
| aa | aplastic anemia |
| aa | ara c |
| aa | arachidonic acid |
| aa | ascending aorta |
| AAA | Abdominal aortic aneurysm |
| aaa | acquired aplastic anemia |
| aaa | acute apical abscess |
| aaa | aromatic amino acid |
| AABB | AABB, formerly known as the American Association of Blood Banks |
| AACCN | American Academy of Critical Care Nurses |
| AAD | American Association of Dermatology |
| AADGP | American Academy of Dental Group Practice |
| aaf | acetylaminofluorene |
| AAFP | American Academy of Family Physicians |
| aag | alpha 1 acid glycoprotein |
| aah | atypical adenomatous hyperplasia |
| AAHSA | American Association of Homes and Services for the Aging |
| aai | acute alcohol intoxication |
| AAIN | American Academy of Industrial Nurses |
| AAL | Anterior axillary line |
| aall | anterior axillary line |
| AAMC | American Association of Medical Colleges |
| aami | age associated memory impairment |
| aamtase | aklanonic acid methyltransferase |
| AAN | American Academy of Nursing |
| AAO | American Academy of Ophthalmology |
| AAO | American Academy of Optometry |
| AAOS | American Academy of Orthopaedic Surgeons |
| AAOx3 | Awake, alert, and oriented, times 3 (i.e., to person, place, and time) |
| AAP | American Academy of Pediatrics |
| AAPCC | adjusted average per capita cost |
| AAPMC | Antibiotic associated pseudomembranous colitis |
| AAPS | American Association of Physicians and Surgeons |
| aark | automated anesthesia record keeper |
| AAS | Aarskog-Scott syndrome |
| aas | aortic arch syndrome |
| aas | atlantoaxial subluxation |
| aat | aachen aphasia test |
| AAT | Activity as tolerated |
| aat | alpha 1 antitrypsin |
| aat | alpha antitrypsin |
| aau | acute anterior uveitis |
| aav | aids associated virus |
| ab | Abdomen |
| ab | Abdominal |
| AB | Abortion |
| Ab | Antibody |
| ab | asthmatic bronchitis |
| aba | abscissic acid |
| abatc | azidobenzamidotaurocholate |
| abb | abbreviation |
| ABC | Airway, breathing, circulation |
| abc | aneurysmal bone cyst |
| abc | apnea bradycardia cyanosis |
| ABC | Aspiration biopsy cytology |
| ABCD | ABCD rating (a staging system for prostate cancer) |
| ABCD | Airway, breathing, circulation, disability |
| ABCD | Asymmetry, borders, color, diameter (features on considering "Is it a malignant melanoma?") |
| ABCD syndrome | albinism, black lock, cell migration disorder |
| ABCDE | Airway, breathing, circulation, disability, exposure |
| ABCs; ABCDs; ABCDEs | Airway, breathing, circulation, etc. Refers to priority of needs in emergency situations. Exact spell-out and details after "C" vary by institution, but the "ABCs" theme is recurrent. |
| Abd | Abdomen |
| Abd | Abdominal |
| abd | abductor |
| abdom | abdomen |
| abdv | bleomycin doxorubicin dtic vinblastine |
| ABE | Acute bacterial endocarditis |
| ABEM | American Boarded in Emergency Medicine |
| abf | aortobifemoral graft |
| abg | aortic bifurcation graft |
| abg | aortobifemoral graft |
| ABG | Arterial blood gas |
| ABI | Acquired brain injury |
| ABI | Ankle brachial pressure index |
| abi | arterial pressure index |
| abk | aphakic bullous keratopathy |
| abl | abetalipoproteinemia |
| abl | african burkitt's lymphoma |
| abl | angioblastic lymphadenopathy |
| ablc | amphotericin b lipid complex |
| abm | alveolar basement membrane antibody |
| ABMS | American Boarded in Medical Specialties |
| ABMT | Autologous bone marrow transplantation |
| Abn | Abnormal |
| abnl | abnormal |
| abo | a system of classifying blood groups by a or b antibody |
| abo | abortion |
| abo | antibody |
| abo | bleo mtx vcr |
| ABO | Landsteiner's blood grouping system |
| abo hdn | abo hemolytic disease of the newborn |
| abp | arterial blood pressure |
| ABPA | Allergic broncho-pulmonary aspergillosis |
| abpa | asthmatic bronchopulmonary aspergillosis |
| abpb | abductor pollicis brevis |
| ABPI | Ankle brachial pressure index |
| abpl | abductor pollicis longus |
| abr | auditory brainstem response |
| abs | abdominal muscles |
| abs | abdominals |
| abs | absent |
| abs | acute brain syndrome |
| abs | affect balance scale |
| abs | anorexic behavior scales |
| abt | autologous blood transfusion |
| abu | asymptomatic bacteriuria |
| abv | actinomycin d, bleomycin, vincristine |
| abv | adriamycin, bleomycin, vinblastine |
| abv | bleo dox vbl |
| ABVD | Doxorubicin (Adriamycin), bleomycin, vinblastine, dacarbazine (first-line treatment for Hodgkin's lymphoma) |
| ABX | Antibiotics |
| ac | acute |
| ac | air conditioning |
| ac | air conduction |
| ac | alternating current |
| ac | amniocentesis |
| ac | ante cibum |
| ac | anterior chamber |
| ac | ascending colon |
| ac | assist control |
| ac/a | accommodation convergence/accommodation |
| AC&BC | Air conduction and bone conduction, as in Weber test |
| aca | adenocarcinoma |
| aca | anterior cerebral artery |
| aca | anti cardiolipin antibody |
| acad | academy |
| ACB | Aortocoronary bypass |
| acbe | air contrast barium enema |
| acc | acceleration |
| acc | accelerator |
| acc | accident |
| Acc | Accommodation (eye) |
| acc | adrenocortical carcinoma |
| ACC | Agenesis of the corpus callosum |
| acc | alveolar cell carcinoma |
| acc | aplasia cutis congenita |
| acca | adenylate cyclase constitutive activator |
| acca | adrenocortical carcinoma |
| accom | accommodation |
| ACCP | American College of Chest Physicians |
| accpn | agenesis of the corpus callosum with peripheral neuropathy |
| ACCU | Acute coronary care unit |
| acd | acid citrate dextrose |
| acd | actinomycin d |
| acd | adult celiac disease |
| acd | allergic contact dermatitis |
| ACD | Anemia of chronic disease |
| acd | arteriosclerotic coronary disease |
| acd | automatic cardiac defibrillator procedure |
| acd | Avellino corneal dystrophy |
| ACDF | Anterior cervical discectomy and fusion |
| Ace | Acetone |
| ace | acetylcholinesterase |
| ACE | Angiotensin-converting enzyme |
| ace | cyclophosphamide doxorubicin |
| ace | dipeptidyl peptidase a |
| ACEI | Angiotensin-converting enzyme inhibitor |
| ACEP | American College of Emergency Physicians |
| acetoacetyl coa | acetoacetyl coenzyme a |
| acetyl coa | acetyl coenzyme a |
| acetyl coa acetyltransferase | acetyl coenzyme a acetyltransferase |
| acetyl coa carboxylase | acetyl coenzyme a carboxylase |
| ACF | Administration for Children and Families |
| acf | anterior cranial fossa |
| acg | angle closure glaucoma |
| ACGME | Accreditation Council for Graduate Medical Education |
| ACh | Acetylcholine |
| ach | achondroplasia |
| ach | adrenal cortical hormone |
| ach esterase | acetylcholinesterase |
| AChE | Acetylcholine esterase |
| ache | acetylcholinesterase |
| aci | acute coronary insufficiency |
| aciol | anterior chamber intraocular lens |
| acj | amelocemental junction of tooth |
| ACL | Anterior cruciate ligament |
| acla | anti cardiolipin antibody |
| ACLS | Advanced cardiac life support |
| acm | aclacinomycin a |
| acm | adriamycin, cyclophosphamide, methotrexate |
| acm | arnold chiari malformation |
| acn | acoustic neurinoma |
| acnu | nimustine |
| ACOG | American College of Obstetics and Gynecology |
| acom | anterior communicating artery |
| acp | acid phosphatase |
| acp | acupuncture |
| ACP | Advanced Care Paramedic (Canada) |
| ACP | American College of Physicians |
| acps | acrocephalopolysyndactyly |
| acr | aclarubicin |
| acr | amalgam cement restoration |
| ACR | American College of Radiologists |
| ACR | American College of Rheumatology |
| acra | acetylcholine receptor antibody |
| ACS | Acute coronary syndrome |
| ACS | American Cancer Society |
| ACS | American College of Surgeons |
| acs | anterior tibial compartment syndrome |
| acs | antireticular cytotoxic serum |
| acsvbg | aortocoronary saphenous vein bypass graft |
| acsvg | aortocoronary saphenous vein graft |
| act | actinomycin |
| act | activated clotting time |
| act | acute coronary thrombosis |
| act-c | actinomycin c |
| act-d | actinomycin d |
| ACTH | Adrenocorticotropic hormone |
| ACTH deficiency | Adrenocorticotropic hormone deficiency |
| actriib | activin receptor type iib |
| ACU | Ambulatory care unit |
| acug | arthrocutaneouveal granulomatosis |
| acv | acyclovir |
| acv | airway closing volume |
| acv | aplasia of cerebellar vermis |
| acvd | arteriosclerotic cardiovascular disease |
| acvg | aortocoronary vein graft |
| acyl coa | acyl coenzyme a |
| AD | Acute distress |
| ad | adenoidal degeneration |
| ad | advertisement |
| AD | Alzheimer's disease |
| ad | atopic dermatitis |
| ad | atrio dextro |
| AD | Attachment disorder |
| ad | auris dextra |
| ad | autogenic drainage |
| ad | autosomal dominant |
| ad | dactinomycin |
| ad | drug addiction |
| AD | Right ear (from Latin auris dexter) |
| ad lib | As desired (from Latin ad libitum) |
| ad part. dolent | To the painful parts (from Latin ad partes dolentes) |
| ADA | Adenosine deaminase |
| ADA | American Dental Association |
| ADA | American Diabetes Association |
| ADA | American Dietetic Association |
| ADA | Americans with Disabilities Act |
| adamha | alcohol drug abuse and mental health administration |
| adas | alzheimer's disease assessment scale |
| adat | advance diet as tolerated |
| adbc | adriamycin, dtic, bleomycin, ccnu |
| adc | acquired immune deficiency syndrome dementia complex |
| adc | adenylate cyclase |
| adc | adrenal cortex |
| ADC | AIDS dementia complex |
| adcc | antibody dependent cell cytotoxicity |
| ADCC | Antibody-dependent cell-mediated cytotoxicity |
| ADD | Attention deficit disorder |
| ADD-RT | Attention Deficit Disorder-Residual Type |
| add'l | additional |
| addl | additional |
| ade | ara c, daunorubicin, etoposide |
| ADEM | Acute disseminated encephalomyelitis |
| aden | acantholytic dyskeratotic epidermal nevus |
| adenoca | adenocarcinoma |
| adf | aortoduodenal fistula |
| adh | alcohol dehydrogenase |
| ADH | Antidiuretic hormone |
| ADHD | Attention-deficit hyperactivity disorder |
| ADHR | Autosomal-dominant hypophosphatemic rickets |
| adi | autosomal dominant ichthyosis vulgaris |
| adic | adriamycin, dtic |
| adip | acute demyelinating inflammatory polyradiculopathy |
| adj | adjuvant |
| adk | adenylate kinase |
| ADL | activities of daily living |
| ADLs | Activities of daily living |
| adm | administration |
| adm | administrator |
| adm | Admission |
| admckd | medullary cystic kidney disease, autosomal dominant |
| Adn | Adnexa |
| ADP | Adenosine diphosphate |
| adpase | adenosine diphosphatase |
| adpkd | autosomal dominant polycystic kidney disease |
| adr | adriamycin |
| ADR | Adverse drug reaction |
| adria | adriamycin |
| ads | alcohol dependence scale |
| ads | antibody deficiency syndrome |
| adt | adenosine triphosphate |
| adt | admission, diagnosis, triage |
| adu | acute duodenal ulcer |
| ae | acrodermatitis enteropathica |
| aea | above elbow amputation |
| aec | aminoethylcysteine |
| aed | accident and emergency department |
| AED | Anti-epileptic drugs |
| AED | Automated external defibrillator |
| aeeg | ambulatory eeg |
| aef | allogenic effect factor |
| aef | amyloid enhancing factor |
| aef | aryepiglottic fold |
| AEM | Ambulatory electrocardiogram monitoring |
| aem | ataxia, episodic, with myokymia |
| aep | auditory evoked potentials |
| aer | auditory evoked responses |
| af | acid fast |
| af | afebrile |
| af | amaurosis fugax |
| AF | Amniotic fluid |
| af | anterior fontanelle |
| af | asian female |
| AF | Atrial fibrillation |
| AF | Atrial flutter |
| af | auricular fibrillation |
| af | dental amalgam filling present |
| AFB | Acid-fast bacilli |
| afb | aflatoxin b |
| afb1 | aflatoxin b1 |
| AFDC | Aid to Families with Dependent Children |
| afgf | acidic fibroblast growth factor |
| afi | amaurotic familial idiocy |
| afi | amniotic fluid index |
| AFib | Atrial fibrillation |
| afip | armed forces institute of pathology |
| afl | atrial flutter |
| aflp | acute fatty liver of pregnancy |
| AFMA | African Medical Association |
| AFO | Ankle-foot orthosis |
| AFP | Alpha-fetoprotein |
| aft | aflatoxin |
| aft | afternoon |
| afv | amniotic fluid volume |
| ag | anion gap |
| Ag | Antigen |
| ag | atrial gallop |
| ag | atrophic gastritis |
| ag | silver |
| AGA | Anti-gliadin antibodies |
| AGA | Appropriate for gestational age |
| AGC | Atypical glandular cells |
| AGD | Academy of General Dentistry |
| AGES criteria | Age, grade, extent, size (for tumors) |
| agg | agammaglobulinemia |
| agit | agitation |
| agl | acute granulocytic leukemia |
| aglt | acidified glycerol lysis test |
| agmx | agammaglobulinemia, x linked |
| AGN | Acute glomerulonephritis |
| agnor | silver staining nucleolar organizing regions |
| agp | alpha 1 acid glycoprotein |
| ags | adrenogenital syndrome |
| AGS | Aicardi-Goutieres syndrome |
| ags | alagille syndrome |
| ags | audiogenic seizure |
| agsg | alliance of genetic support groups |
| agt | activity group therapy |
| agt | aminoglutethimide |
| agt | antiglobulin test |
| agus | atypical glands of unknown significance |
| agw | anogenital warts |
| ah | adductor hallucis |
| ah | alcoholic hepatitis |
| ah | anterior horn |
| ah | atypical hyperplasia |
| aha | acquired hemolytic anemia |
| AHA | American Heart Association |
| AHA | American Hospital Association |
| aha | anterior hypothalamic area |
| aha | autoimmune hemolytic anemia |
| ahc | acute hemorrhagic conjunctivitis |
| ahc | adrenal hypoplasia, congenital |
| AHC | Alternating hemiplegia of childhood |
| AHCA | American Health Care Association |
| ahd | arteriohepatic dysplasia |
| ahd | arteriosclerotic heart disease |
| ahds | allan herndon dudley syndrome |
| AHEC | area health education center |
| ahf | acute heart failure |
| AHF | Antihemophilic factor |
| ahf | argentinian hemorrhagic fever |
| ahg | acute herpetic gingivostomatitis |
| AHG | Antihemophilic globulin |
| ahgs | acute herpetic gingivostomatitis |
| AHH | Aryl hydrocarbon hydroxylase |
| ahhd | arteriosclerotic hypertensive heart disease |
| AHIP | America's Health Insurance Plans |
| ahle | acute hemorrhagic leukoencephalitis |
| ahm | allele frequency dependent homozygosity mapping |
| aho | albright hereditary osteodystrophy |
| AHR | Airway hyper-reactivity |
| ahr | aryl hydrocarbon receptor |
| AHRQ | Agency for Healthcare Research and Quality |
| aht | antihyaluronidase screening titer |
| ahts | adductovarus hammer toe syndrome |
| ahx | addison disease, x linked |
| ai | accidental injury |
| ai | alcohol intake |
| ai | allergy and immunology |
| ai | amelogenesis imperfecta |
| ai | anaphylatoxin inactivator |
| ai | angiotensin i |
| ai | aortic incompetence |
| AI | Aortic insufficiency |
| ai | apical impulse |
| AI | Artificial insemination |
| ai | autoimmunity |
| aia | aspirin intolerant asthma |
| aib | abnormal illness behavior |
| aib | aminoisobutyric acid |
| aic | aicardi syndrome |
| aica | anterior inferior cerebellar artery |
| AICD | Automated implantable cardioverter-defibrillator |
| AID | Artificial insemination by donor |
| aidh | atypical intraductal hyperlasia |
| AIDS | Acquired immune deficiency syndrome |
| aied | aland island eye disease |
| AIH | Artificial insemination by husband |
| aih | autoimmune hepatitis |
| aiha | autoimmune hemolytic anemia |
| AIHD | Artificial insemination by pooled husband and donor semen |
| AIIRB | angiotensin II receptor antagonist |
| ail | angioimmunoproliferative lesions |
| aild | angioimmunoblastic lymphadenopathy with dysproteinemia |
| aim | abnormal involuntary movement |
| aim | activation inducer molecule |
| aim | asparaginase, ifosfamide, methotrexate |
| aimi | anteroinferior myocardial infarction |
| aims | abnormal involuntary movement scale |
| aims | arthritis impact measurement scale |
| AIN | Acute interstitial nephritis |
| ain | anal intraepithelial neoplasia |
| aion | acute ischemic optic neuropathy |
| aip | acute intermittent porphyria |
| aip | acute interstitial pneumonia |
| AIPD | Acute infectious and parasitical diseases |
| AIPD | Acute inflammatory demyelinating polyneuropathy |
| AIPD | Autoimmune progesterone dermatitis |
| ais | abbreviated injury scale |
| AIS | Adenocarcinoma in situ |
| aivr | accelerated idioventricular rhythm |
| aj | ankle jerk |
| ajcc | american joint committee on cancer |
| ak | above knee |
| ak | acetate kinase |
| ak | actinic keratosis |
| ak | adenylate kinase |
| ak | artificial kidney |
| ak | astigmatic keratotomy |
| aka | above knee amputation |
| aka | alcoholic ketoacidosis |
| aka | Also known as |
| ake | acrokeratoelastoidosis |
| akp | anterior knee pain |
| akv | acrokeratosis verruciformis |
| al | aluminum |
| al | amyloid light chain |
| al | anterolateral |
| al | arterial line |
| al | artificial limb |
| al | left ear |
| ala | alanine |
| ALA | Aminolevulinic acid |
| ala | amoebic liver abscess |
| alad | aminolevulinic acid dehydratase |
| alase | alas, erythroid |
| alash | alas, housekeeping |
| alat | alanine aminotransferase |
| alb | albumin |
| Alc | Alcohol |
| alcaa | acetylcarnitine arginyl amide |
| alcam | activated leukocyte cell adhesion molecule |
| alcl | anaplastic large cell lymphoma |
| ald | adrenoleukodystrophy |
| ald | alcoholic liver disease |
| ald | aldolase |
| ald | aldosine |
| ald | aldosterone |
| aldb | aldolose b deficiency |
| aldo | aldosterone |
| alec | artificial lung expanding compound |
| alf | acute liver failure |
| ALG | Anti-lymphocyte globulin |
| ALI | Acute lung injury |
| ali | average lobe index |
| alk p'tase | alkaline phosphatase |
| alk phos | alkaline phosphatase |
| ALL | Acute lymphoblastic leukemia |
| ALL | Allergies |
| allo | allogenic |
| alm | acral lentiginous melanoma |
| almi | anterolateral myocardial infarction |
| almm | acral lentiginous malignant melanoma |
| alomad | adriamycin, leukeran, oncovin, methotrexate, actinomycin d, dacarbazine |
| alp | alkaline phosphatase |
| alp | anterior lobe of pituitary |
| alp | argon laser photocoagulation |
| alp | atherogenic lipoprotein phenotype |
| alpc | argon laser photocoagulation |
| alpha anp | alpha atrial natriuretic peptide |
| alpha ifn | alpha interferon |
| alpha mpt | alpha methyl p tyrosine |
| alps | aphasia language performance scales |
| ALPS | Autoimmune lymphoproliferative syndrome |
| ALS | Advanced life support |
| als | afferent loop syndrome |
| ALS | Amyotrophic lateral sclerosis |
| als | antilymphocyte serum |
| alt | alaniinitransaminaas |
| alt | alanine aminotransferase |
| ALT | Alanine transaminase |
| alt | altered |
| alt | altitude |
| alt | argon laser trabeculoplasty |
| altern. d. | Every other day (from Latin alterno die) |
| alto | afterloading tandem and ovoids |
| altp | argon laser trabeculoplasty |
| alunc | alopecia universalis congenita |
| alv | alveolar |
| alv | avian leukosis virus |
| am | alveolar macrophage |
| am | american |
| Am | americium |
| am | ammeter |
| am | anteromedial |
| am | asian male |
| am | morning |
| ama | advanced maternal age |
| AMA | Against medical advice |
| AMA | American Medical Association |
| AMA | Anti-mitochondrial antibody |
| AMA | Australian Medical Association |
| AMANET | African Malaria Network Trust |
| Amb | Ambulate |
| amb | amphotericin b |
| AMC | Arthrogryposis multiplex congenita |
| amcn | arthrogryposis multiplex congenita, neurogenic type |
| amd | acid maltase deficiency |
| AMD | Age-related Macular Degeneration |
| amdg | acromesomelic dysplasia, grebe type |
| AMGA | American Medical Group Association |
| ami | acute mesenteric ischemia |
| AMI | Acute myocardial infarction |
| ami | autobiographical memory interview |
| amio | amiodarone |
| amit | amitriptyline |
| AML | Acute myeloid leukemia |
| aml | anterior mitral leaflet |
| amlcd | active matrix liquid crystal device |
| amm | agnogenic myeloid metaplasia |
| amml | acute myelomonocytic leukemia |
| amn | adrenomyeloneuropathy |
| amnio | amniocentesis |
| amp | acid mucopolysaccharide |
| amp | acute massive pulmonary embolism |
| AMP | Adenosine monophosphate |
| Amp | Ampere |
| amp | amphetamine |
| amp | ampicillin |
| Amp | Ampule |
| amp | amputation |
| amp deaminase | adenosine monophosphate deaminase |
| AMPA receptor | Alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor of the brain |
| ampe | acute massive pulmonary embolism |
| amr | alternating motion rate |
| AMS | Acute mountain sickness |
| ams | altered mental status |
| AMS | Atypical measles syndrome |
| ams | atypical mole syndrome |
| AMSA | American Medical Student Association |
| amsa | amsacrine |
| amt | abbreviated mental test |
| Amt | Amount |
| amt | anxiety management training |
| amv | assisted mandatory ventilation |
| amvc | atrophia maculosa varioliformis cutis |
| an | acanthosis nigricans |
| an | acoustic neuroma |
| an | anorexia nervosa |
| an | antenatal |
| ana | alpha naphthyl esterase |
| ANA | American Nurses Association |
| ANA | Anti-nuclear antibody |
| anae | alpha naphthyl acetate esterase |
| anan | anandron |
| anbc | hepatitis b core antibody |
| anc | absolute neutrophil count |
| anc | antenatal care |
| ANCA | Anti-neutrophil cytoplasmic antibody |
| ancova | analysis of covariance |
| and | axillary node dissection |
| ANDI | Aberrations of normal development and involution (of breast) |
| anes | anesthesia |
| anf | antinuclear factor |
| ANF | Atrial natriuretic factor |
| ANF | Australian Nursing Federation |
| ang | angiotensin |
| angio | angiogram |
| angis | australian national genomic info service |
| anl | acute nonlymphocytic leukemia |
| anl | argonne national laboratory |
| anll | acute nonlymphoblastic leukemia |
| anm | amish nemaline myopathy |
| ann | annual |
| ann | annulus |
| ann | artificial neural networks |
| ann fib | annulus fibrosis |
| ANNA | American Nephrology Nurses' Association |
| annl | acute non lymphocytic leukemia |
| anom | anomalous |
| anova | analysis of variance |
| ANP | Atrial natriuretic peptide |
| ans | arteriolonephrosclerosis |
| ANS | Autonomic nervous system |
| ant | alloimmune neonatal thrombocytopenia |
| Ant | Anterior |
| ante | before |
| Anti- | Refers to an antibody to the suffixed antigen |
| ANTR | Asymmetrical tonic neck reflex |
| ANUG | Acute necrotizing ulcerative gingivitis |
| anxty | anxiety |
| ao | acridine orange |
| AOA | American Optometric Association |
| AOA | American Osteopathic Association |
| AOA | Australian Orthopaedic Association |
| aob | acetone on breath |
| aob | alcohol on breath |
| aob | anterior open bite |
| aod | arterial occlusive disease |
| aodm | adult onset diabetes mellitus |
| AODM | Adult-onset diabetes mellitus (now called diabetes mellitus type 2) |
| aof | assessment of occupational function |
| AOM | Acute otitis media |
| aom | arthroophthalmopathy, hereditary progressive |
| aom | azoxymethane |
| aopa | ara c, oncovin, prednisone, asparaginase |
| aope | adriamycin, oncovin, prednisone, etoposide |
| aorf | adult onset renal failure |
| aos | adams oliver syndrome |
| AOS | Apraxia of speech |
| ap | abdominal pain |
| ap | abdominal perineal |
| ap | acid phosphatase |
| ap | action potential |
| ap | acute pancreatitis |
| AP | Alkaline phosphatase |
| ap | anatomic pathology |
| AP | Angina pectoris |
| ap | ante partum |
| ap | anterior and posterior |
| ap | anterior pituitary |
| AP | Anteroposterior |
| ap | aortic pressure |
| ap | aortopulmonary |
| ap | arterial pressure |
| ap | artificial pneumothorax |
| ap & lat | anteroposterior & lateral |
| APA | Administrative Procedures Act |
| APA | American Pharmaceutical Association |
| APA | American Psychiatric Association |
| apa | american psychological association |
| apa | aminopenicillanic acid |
| apa | antiphospholipid antibody |
| APACHE II | Acute Physiology and Chronic Health Evaluation II |
| APAP | Automatic positive airway pressure |
| APAP | Paracetamol (aka acetaminophen) (from its chemical name, N-acetyl-para-aminophenol) |
| apb | abductor pollicus brevis |
| apc | acetylsalicylic acid, acetophenetidin, and caffeine |
| APC | Activated protein C |
| apc | adenomatous polyposis of the colon |
| APC | Ambulatory Payment Classification |
| apc | amsa, prednisone, chlorambucil |
| APC | Antigen-presenting cell |
| apc | aspirin, phenacetin, caffeine |
| APC | Atrial premature contraction |
| apch | alternative pathway hemolytic complement |
| apcor | advanced portable coronary observation radio |
| apd | accessory pancreatic duct |
| APD | Adult polycystic disease |
| apd | afferent pupillary defect |
| apd | antipsychotic drug |
| apd | atrial premature depolarization |
| APD | Automated peritoneal dialysis |
| APDRG | All Patient Diagnosis Related Groups |
| ape | acute pulmonary edema |
| ape | anterior pituitary extract |
| APECED | Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy |
| apf | antiperinuclear factor |
| APGAR | American Pediatric Gross Assessment Record (a backronym) |
| APGAR | Appearance, pulse, grimace, activity, respiration - used to assess newborns |
| aph | alkaline phosphatase |
| APH | antepartum hemorrhage |
| aph | aphasia |
| APHA | American Protestant Hospital Association |
| APHA | American Public Health Association |
| aphig | aphidicolin glycinate |
| api | application programming interface |
| APKD | Adult polycystic kidney disease |
| apl | abductor pollicis longus |
| apl | acute promyelocytic leukemia |
| apl | adjustable pressure limiting valve |
| apla | anti phospholipid antibody |
| apld | automated percutaneous lumbar discectomy |
| aplis | anatomic pathology laboratory information system |
| apls | advanced pediatric life support |
| APLS | Antiphospholipid syndrome |
| apml | acute promyelocytic leukemia |
| APMPPE | Acute posterior multifocal placoid pigment epitheliopathy |
| apn | acute pyelonephritis |
| APN | Advanced practice nurse |
| apo | adriamycin, prednisone, oncovin |
| apo a i | apolipoprotein a i |
| apoa | apolipoprotein a |
| apob | apolipoprotein b |
| apoc | apolipoprotein c |
| apod | apolipoprotein d |
| apoe | apolipoprotein e |
| apoj | apolipoprotein j |
| app | acute phase protein |
| app | appendix |
| appl | appliance |
| appl | application |
| applic. | Applicandus (Latin meaning "to be applied") |
| appnhp | adenylyl imidodiphosphate |
| approx | approximate |
| approx | approximately |
| appt | appointment |
| appy | appendectomy |
| APR | Abdominoperineal resection |
| apr | abdominoperineal resection of rectum |
| apr | acute phase reactant |
| apr | april |
| apr | auropalpebral reflex |
| aprs | adult personality rating schedule |
| aprt | adenine phosphoribosyltransferase |
| aprt | adenosine phosphoribosyltransferase |
| aprtase | adenine phosphoribosyltransferase |
| aprv | airway pressure release ventilation |
| APS | Antiphospholipid syndrome |
| APS | Autoimmune polyendocrine syndrome |
| apsa | phosphatidylserine antibody |
| APSAC | Anisoylated plasminogen streptokinase activator complex |
| apsgn | acute poststreptococcal glomerulonephritis |
| aPTT | Activated partial thromboplastin time |
| apud | amine precursor uptake and decarboxylation |
| apudoma | tumor of apud cells |
| apvc | anomalous pulmonary venous connection |
| apvd | anomalous pulmonary venous drainage |
| apvr | anomalous pulmonary venous return |
| apvs | absent pulmonary valve syndrome |
| apw | aortopulmonary window |
| aq | aqueous |
| aq. | Water (from Latin aqua) |
| aq. bull. | Boiling water (from Latin aqua bulliens) |
| aq. calid. | Warm or hot water (from Latin aqua calida) |
| aq. dist. | Distilled water (from Latin aqua distillata) |
| aq. gel. | Cold water (from Latin aqua gelida) |
| AR | Aortic regurgitation |
| ar | argon |
| ARA | American Rheumatological Association |
| ara c | arabinosylcytosine |
| ara ctp | arabinofuranosylcytosine triphosphate |
| ara u | arabinofuranosyluracil |
| aras | atherosclerotic renal artery stenosis |
| ARB | Angiotensin II receptor antagonist |
| ARBD | Alcohol-Related Birth Defects |
| arbkt | aids risk behavior knowledge test |
| arc | abnormal retinal correspondence |
| ARC | AIDS-related complex |
| arch | archives |
| ard | acute respiratory disease |
| ARD | Adult Refsum disease |
| ardmd | autosomal recessive distal muscular dystrophy |
| ARDS | acute respiratory distress syndrome |
| ARDS | Adult respiratory distress syndrome |
| ARF | Acute renal failure |
| arf | acute respiratory failure |
| arf | acute rheumatic fever |
| Arg | Arginine |
| ari | acute renal insufficiency |
| ari | acute respiratory infection |
| ARM | Artificial rupture of membranes |
| armd | age related macular degeneration |
| arn | acute retinal necrosis |
| ARND | Alcohol-Related Neurodevelopmental Disorder |
| aroa | autosomal recessive ocular albinism |
| AROM | Active range of motion |
| AROM | Artificial rupture of membranes |
| arp | american registry of pathology |
| arpkd | autosomal recessive polycystic kidney disease |
| ARRT | American Registry of Radiologic Technologists |
| arsa | arylsulfatase a |
| ART | Antiretroviral therapy |
| art | arterial |
| ART | Assuming room temperature (that is, the patient has died) |
| arter | arterial |
| aru | acute retention of urine |
| arv | aids related virus |
| arv | anti retroviral therapy |
| ARVC | Arrhythmogenic right ventricular cardiomyopathy |
| ARVD | Arrhythmogenic right ventricular dysplasia |
| as | angelman syndrome |
| AS | Ankylosing Spondylitis |
| AS | Aortic stenosis |
| as | arteriosclerosis |
| AS | Asperger syndrome |
| AS | Atherosclerosis |
| as | auris sinestra |
| ASA | Acetylsalicylic acid |
| ASA | American Society of Anesthesiology |
| asa | argininosuccinic acid |
| asa | aspirin |
| asa | aspirin sensitive asthma |
| asad | arteriosclerotic artery disease |
| asal | argininosuccinate lyase |
| asal deficiency | argininosuccinate lyase deficiency |
| ASAP | As soon as possible |
| asat | aspartate aminotransferase |
| asb | asymptomatic bacteriuria |
| asbmb | american society for biochemistry & molecular biology |
| ASC | Ambulatory surgery center |
| asc | american society of cytology |
| ASC-H | Atypical squamous cells - cannot exclude HSIL |
| ASCAD | Arteriosclerotic coronary artery disease |
| ascb | american society for cell biology |
| ascd | arteriosclerotic coronary disease |
| ASCEPT | Australasian Society of Clinical & Experimental Pharmacologists and Toxicologists |
| aschd | arteriosclerotic coronary heart disease |
| asci | american society for clinical investigation |
| ascii | american standard code for information interchange |
| asco | american society of clinical oncology |
| ASCP | American Society for Clinical Pathology |
| ASCP | American Society of Consultant Pharmacists |
| asct | autologous stem cell transplantation |
| ASCUS | Atypical squamous cells of undetermined significance |
| ascva | arteriosclerotic cerebrovascular accident |
| ascvd | arteriosclerotic cardiovascular disease |
| ascvd | arteriosclerotic cerebrovascular disease |
| ASCVD | Arteriosclerotic vascular disease (arteriosclerosis) |
| ascvhd | arteriosclerotic cardiovascular heart disease |
| ascvrd | arteriosclerotic cardiovascular renal disease |
| ASD | Atrial septal defect |
| asdhd | arteriosclerotic decompensated heart disease |
| asdp | anal sphincter dysplasia |
| ASDs | Autism spectrum disorders |
| asech | acetylselenonium choline |
| asf | anterior spinal fusion |
| ASGUS | Atypical squamous glandular cells of undetermined significance |
| ASH | Arteriosclerotic heart disease |
| ash | asymmetrical septal hypertrophy |
| ASHA | American Speech-Language-Hearing Association |
| ashap | adriamycin, solu medrol, high dose ara c, platinol |
| ashcvd | arteriosclerotic hypertensive cardiovascular disease |
| ASHD | Arteriosclerotic heart disease |
| ashd | atrioseptal heart defect |
| ashg | american society for human genetics |
| ashhd | arteriosclerotic hypertensive heart disease |
| ashvd | arteriosclerotic hypertensive vascular disease |
| asi | anxiety status inventory |
| asip | american society for investigative pathologists |
| ASIS | Anterior superior iliac spine |
| ASL | American sign language |
| asl | antistreptolysin |
| asl | argininosuccinate lyase |
| asl deficiency | argininosuccinate lyase deficiency |
| aslhn | alport syndrome like hereditary nephritis |
| aslme | american society of law, medicine, and ethics |
| aslo | anti streptolysin o |
| asm | american society for microbiology |
| asma | anti smooth muscle antibody |
| asmd | anterior segment mesenchymal dysgenesis |
| asmi | anteroseptal myocardial infarction |
| ASMI | Australian Self-Medication Industry |
| ASMSO | American Society of Medication Safety Officers |
| asmtlx | acetylserotonin methyltransferase like, x linked |
| asn | asparaginase |
| asn | asparagine |
| ASO | Administrative Service Organization |
| ASO | Anti-streptolysin O |
| aso | arteriosclerosis obliterans |
| asom | acute suppurative otitis media |
| ASOT | Antistreptolysin O titre |
| asp | antisocial personality |
| asp | asparaginase |
| asp | aspartic acid |
| asp | l asparaginase |
| asped | angel shaped phalangoepiphyseal dysplasia |
| ASPS | American Society of Plastic Surgeons |
| aspvd | arteriosclerotic peripheral vascular disease |
| ASRT | American Society of Radiologic Technologists |
| asrt | anomalous sentence repetition test |
| Ass | Assessment |
| assa | aminopterin syndrome sine aminopterin |
| ASSH | American Society for Surgery of the Hand |
| assoc | association |
| asst | assist |
| asstase | arylsulfate sulfotransferase |
| AST | Aspartate aminotransferase |
| AST | Aspartate transaminase |
| ast | astigmatism |
| ASTHO | Association of State and Territorial Health Officials |
| asu | ambulatory surgery unit |
| asv | avian sarcoma virus |
| asvd | arteriosclerotic vascular disease |
| asvhd | arteriosclerotic vascular heart disease |
| asw | approved social worker |
| ASX | Asymptomatic |
| AT | Angiotensin |
| AT | Antithrombin |
| at | astatine |
| at | audiology technician |
| AT-III | Antithrombin III |
| at/nc | atraumatic normocephalic |
| ata | alimentary toxic aleukia |
| ata | anterior tibial artery |
| ATA | Anti-transglutaminase antibodies |
| ATB | Antibiotic |
| atc | adriamycin followed by 3x taxol followed by 3x cytoxan |
| ATCC | American Type Culture Collection |
| atd | antithyroid drug |
| atd | asphyxiating thoracic dystrophy |
| ATG | Antithymic globulin |
| atg | antithymocyte globulin |
| atg | antitoxin globulin |
| atin | acute tubulo interstitial nephritis |
| atl | adult t cell leukemia |
| atll | adult tcell leukemia lymphoma |
| ATLS | advanced trauma life support |
| atm | atmosphere |
| atmngt | atypical melanocytic nevi of the genital type |
| ATN | Acute tubular necrosis |
| atn | oculocutaneous albinism, tyrosinase negative |
| ATNR | Asymmetrical tonic neck reflex |
| ATP | Acute thrombocytopenic purpura |
| ATP | Adenosine triphosphate |
| atp | advanced technology program |
| ATP | Anti-tachycardia pacing |
| Atp | Atapical |
| atp | azathioprine |
| ATRA | All-trans retinoic acid |
| ats | alport syndrome |
| ATS | Anti-tetanus serum, that is, anti-tetanus immunoglobulins |
| ats | arteriosclerosis |
| atshd | arteriosclerotic heart disease |
| att | attachment |
| atv | all terrain vehicle |
| atz | anal transitional zone |
| au | arbitrary unit |
| au | aures unitas |
| au | australia antigen |
| au | azauridine |
| Au | gold |
| AUC | Area under the curve (pharmacokinetics) |
| aud | auditory |
| audit | alcohol use disorders identification test |
| aug | acute ulcerative gingivitis |
| aug | august |
| aul | acute undifferentiated leukemia |
| aur | auricular |
| aur. | Ear (from Latin auris) |
| aur. dextro. | To right ear (from Latin auris dextrae) |
| aur. laev | To left ear (from Latin auris laevae) |
| aurist. | Ear drops (from Latin auristillae) |
| aus | artificial urinary sphincter |
| aus | atypia of unknown significance |
| av | adriamycin, vincristine |
| av | alveolar duct |
| av | anaerobic vaginosis |
| av | aortic valve |
| AV | Arteriovenous |
| AV | Atrioventricular |
| av | audiovisual |
| av | auriculoventricular |
| ava | antiviral antibody |
| ava | aortic valve area |
| ava | aortic valve atresia |
| avad | doxorubicin, vincristine, cytarabine, dexamethasone |
| avb | atrioventricular block |
| avdrr | adult onset vitamin d resistant hypophosphatemic osteomalacia |
| aventyl | nortriptylineavf |
| avf | arteriovenous fistula |
| avf | atrioventricular fibrillation |
| avh | acute viral hepatitis |
| AVM | Arteriovenous malformation |
| avm | aviation medicine |
| AVMs | Arteriovenous malformations |
| avn | atrioventricular node |
| AVN | Avascular necrosis |
| avo | defused arteriovenous o2 difference |
| avp | actinomycin d, vincristine, platinol |
| avp | adriamycin, vincristine, procarbazine |
| avp | aortic valve prosthesis |
| avp | aortic valvuloplasty |
| avp | arginine vasopressin |
| avp | venous ambulatory pressure |
| avpu | alert, verbal, pain, unresponsive |
| AVR | Aortic valve replacement |
| avrnt | atrioventricular re entrant nodal tachycardia |
| avrr | aortic valve re replacement |
| avrt | atrioventricular re entrant tachycardia |
| avs | arteriovenous shunt |
| avsd | atrioventricular septal defect |
| avss | afebrile, vital signs stable |
| aw | abdominal wall |
| aw | airway |
| awmi | anterior wall myocardial infarction |
| awo | antral washout |
| awol | absent without leave |
| AWP | average wholesale price |
| aws | alagille watson syndrome |
| ax | axilla |
| Ax | Axillary |
| ax | axis of cylindrical lens |
| AXR | Abdominal x-ray |
| az | ascheim zondek |
| aza | azathioprine |
| azc | azacitidine |
| azf | azoospermia factor |
| azi | azidopine |
| azq | diaziquone |
| AZT | Azidothymidine |