Terminology & Anatomy

Medical abbreviations: 0–9 & A

238 abbreviations on this page. Wording unchanged from the original reference list.

Medical abbreviations that begin with 0-A are listed here. Remember that capitalization and punctuation can alter meaning with these abbreviations - ab may not necessarily be synonomous to Ab or AB for that matter.

Jump to: 0–9 · A · X · Ā · Δ · Σ · Ψ

0–9 8 entries

#
fracture
#NOF
fracture to the neck of the femur
℞
(R with crossed tail) prescription
3TC
lamivudine
5-FU
5-fluorouracil
5-HIAA
5-hydroxyindoleacetic acid
5-HT
5-hydroxytryptamine, that is, serotonin
6MP
6-mercaptopurine

A 221 entries

A
adenosine; apical
a.a.
of each (from Latin ana ana); amino acids:
A1C
glycosylated hemoglobin (hemoglobin A1c)
Aa.
arteria, see Artery
AAA
abdominal aortic aneurysm (pronounced "triple-A")
AAD
antibiotic-associated diarrhea
AAPMC
antibiotic-associated pseudomembranous colitis
AAT
activity as tolerated; atypical antibody test
AAL
anterior axillary line
AAOx3
awake, alert, and oriented, times 3 (i.e., to person, place, and time)
A/B
acid-base ratio
ab
abdomen, abdominal; abortion
Ab
antibody
AB
abortion
ABC
airway, breathing, circulation; aspiration biopsy cytology
ABCD
airway, breathing, circulation, disability; asymmetry, borders, color, diameter (features on considering "Is it a malignant melanoma?"); ABCD rating (a staging system for prostate cancer)
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; abdominal
ABD
army battle dressing
ABE
acute bacterial endocarditis
ABG
arterial blood gas
ABI
acquired brain injury; ankle brachial pressure index
ABMT
autologous bone marrow transplantation
Abn
abnormal
ABO
Landsteiner's blood grouping system
ABPA
allergic broncho-pulmonary aspergillosis
ABPI
ankle brachial pressure index
ABVD
Doxorubicin (adriamycin), bleomycin, vinblastine, dacarbazine (first-line treatment for Hodgkin's lymphoma)
ABX
antibiotics
a.c.; AC
before a meal (from Latin ante cibum)
AC
abdominal circumference; assisted controlled ventilation
ACB
aortocoronary bypass
AC&BC
air conduction and bone conduction, as in Weber test
Acc
accommodation (eye)
ACCU
acute coronary care unit
ACD
anemia of chronic disease
ACDF
anterior cervical discectomy and fusion
Ace
acetone
ACE
angiotensin-converting enzyme
ACEI
angiotensin-converting enzyme inhibitor(s)
ACh
acetylcholine
AChE
acetylcholine esterase
ACL
anterior cruciate ligament
ACLS
advanced cardiac life support
ACS
altered conscious state; acute coronary syndrome
ACTH
adrenocorticotropic hormone
ACPO
acute colonic pseudo-obstruction
ACU
ambulatory care unit
ad.
right ear (from Latin auris dexter)
AD
Alzheimer's disease; acute distress; right ear (from Latin auris dexter)
ADA
adenosine deaminase
ADC
AIDS dementia complex
ADCC
antibody-dependent cell-mediated cytotoxicity
ADD
attention deficit disorder
ADH
antidiuretic hormone
ADHD
attention-deficit hyperactivity disorder
ADHR
autosomal-dominant hypophosphatemic rickets
ADLs
activities of daily living
ad lib
as desired (from Latin ad libitum)
adm
admission
Adn
adnexae (for example, adnexae of the uterus)
ADP
adenosine diphosphate
ad part. dolent
to the painful parts (from Latin ad partes dolentes)
ADR
adverse drug reaction
AED
automated external defibrillator; antiepileptic drug(s)
AEM
ambulatory electrocardiogram monitoring
AF
atrial fibrillation; atrial flutter; amniotic fluid
AF-AFP
amniotic fluid alpha fetoprotein
AFB
acid-fast bacilli
AFI
amniotic fluid index
AFib
atrial fibrillation
AFL
atrial flutter
AFNTR
acute febrile nonhemolytic transfusion reaction
AFO
ankle-foot orthosis
AFP
alpha-fetoprotein
Ag
antigen
AGA
anti-gliadin antibodies; appropriate gestational age (see birth weight)
AGC
atypical glandular cells
AGES criteria
age, grade, extent, size (for tumors)
AGN
acute glomerulonephritis
a.h.
every other hour (from Latin alternis horis)
AHD
arteriosclerotic heart disease
AHF
antihemophilic factor
AHG
antihemophilic globulin
AHH
aryl hydrocarbon hydroxylase
AHR
airway hyper-reactivity
AHT
antihyaluronic acid test
AI
artificial insemination; aortic insufficiency
AICD
automated implantable cardioverter-defibrillator
AID
artificial insemination by donor
AIDS
acquired immune deficiency syndrome
AIH
artificial insemination by husband
AIHD
artificial insemination by pooled husband and donor semen
AIPD
acute infectious and parasitical diseases; autoimmune progesterone dermatitis; acute inflammatory demyelinating polyneuropathy
AIIRB
angiotensin II receptor antagonist
AIN
allergic interstitial nephritis
AIR
Anterior interval release
AIS
adenocarcinoma in situ
AK
acanthamoeba keratitis
aka
also known as
AKA
above-knee amputation; also known as
ALA
aminolevulinic acid
Alc
alcohol
ALF
assisted living facility
ALG
antilymphocytic globulin
ALI
acute lung injury
Alk phos
alkaline phosphatase (sometimes abbreviated as ALP)
ALL
acute lymphoblastic leukemia; allergies
ALP
alkaline phosphatase (sometimes abbreviated as Alk phos)
ALPS
autoimmune lymphoproliferative syndrome
ALS
amyotrophic lateral sclerosis; advanced life support
ALT
alanine transaminase
altern. d.
every other day (from Latin alterno die)
AMA
advanced maternal age (35 years or greater); against medical advice; antimitochondrial antibody; American Medical Association
Amb
ambulate
AMC
arthrogryposis multiplex congenita
AMI
acute mesenteric ischemia; acute myocardial infarction
AML
acute myeloid leukemia
AMO
advanced medical optics
AMP
adenosine monophosphate
Amp
ampule; ampere
AMPA receptor
alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor of the brain
AMS
acute mountain sickness; atypical measles syndrome; Altered Mental Status
Amt
amount
ANA
antinuclear antibody
ANCA
antineutrophil cytoplasmic antibody
ANDI
aberrations of normal development and involution (of breast)
ANF
atrial natriuretic factor
ANP
atrial natriuretic peptide
ANS
autonomic nervous system
Ant
anterior
Anti-
refers to an antibody to the suffixed antigen
ANTR
asymmetrical tonic neck reflex
ANUG
acute necrotizing ulcerative gingivitis
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)
AODM
adult-onset diabetes mellitus (now called diabetes mellitus type 2)
AOM
acute otitis media
a.p.
before a meal (from Latin ante prandium)
AP
alkaline phosphatase; anteroposterior; angina pectoris
A&P
auscultation and percussion
APACHE II
Acute Physiology and Chronic Health Evaluation II
APAP
paracetamol (aka acetaminophen) (from its chemical name, N-acetyl-para-aminophenol); automatic positive airway pressure
APC
atrial premature contraction; antigen-presenting cell; activated protein C
APD
adult polycystic disease; automated peritoneal dialysis
APKD
adult polycystic kidney disease
APECED
autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy
APGAR
appearance, pulse, grimace, activity, respiration - used to assess newborns
APH
antepartum haemorrhage
APLS
antiphospholipid syndrome
APMPPE
acute posterior multifocal placoid pigment epitheliopathy
applic.
applicandus (Latin meaning "to be applied")
appy
appendectomy
APR
abdominoperineal resection
APS
autoimmune polyendocrine/polyglandular syndrome; antiphospholipid syndrome
APSAC
anisoylated plasminogen streptokinase activator complex
aPTT
activated partial thromboplastin time
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; attributable risk
ARB
angiotensin II receptor antagonist
ARC
AIDS-related complex
ARDS
acute (or adult) respiratory distress syndrome
ARF
acute renal failure
Arg
arginine
ARM
artificial rupture of membranes (also abbreviated as AROM)
ARMD
age-related macular degeneration
AROM
active range of motion; artificial rupture of membranes
ART
antiretroviral therapy; assuming room temperature (meaning the patient has passed away)
ARVC
arrhythmogenic right ventricular cardiomyopathy
ARVD
arrhythmogenic right ventricular dysplasia
AS
aortic stenosis; atherosclerosis
ASA
acetylsalicylic acid (aspirin)
ASAP
as soon as possible
ASB
asymptomatic bacteriuria
ASC
ambulatory surgery center; atypical squamous cells
ASCA
anti-Saccharomyces cerevisiae antibodies
ASC-H
atypical squamous cells - cannot exclude HSIL
ASCAD
arteriosclerotic coronary artery disease
ASCUS; ASC-US
atypical squamous cells of undetermined significance
ASCVD
arteriosclerotic vascular disease (arteriosclerosis)
ASD
atrial septal defect
ASGUS
atypical squamous glandular cells of undetermined significance
ASH; ASHD
arteriosclerotic heart disease (coronary heart disease)
ASIS
anterior superior iliac spine
ASO
antistreptolysin-O
ASOT
antistreptolysin-O titre
ASPECTS
Alberta Stroke Program Early CT Score
Ass
assessment
AST
aspartate transaminase
ASX
asymptomatic
A-T
ataxia-telangiectasia
AT
antithrombin; angiotensin
ATA
antitransglutaminase antibodies
ATB
antibiotic
ATCC
American Type Culture Collection
ATG
antithymic globulin
AT-III
antithrombin III
ATN
acute tubular necrosis
ATNR
asymmetrical tonic neck reflex
ATP
acute thrombocytopenic purpura; adenosine triphosphate; antitachycardia pacing
Atp
atapical
ATRA
all-trans retinoic acid
ATS
antitetanus serum, that is, antitetanus immunoglobulins
AUC
area under the curve (pharmacology)
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)
AV
arteriovenous; atrioventricular
AVM
arteriovenous malformation
AVN
avascular necrosis
AVR
aortic valve replacement
A&W; A/W
alive and well
Ax
axillary
AXR
abdominal x-ray
AZT
azithromycin|azidothymidine

X 4 entries

x/12
x number of months
x/40
x number of weeks of pregnancy
x/52
x number of weeks
x/7
x number of days

Ā 1 entries

ā
(a with a bar over it) before (from Latin ante); artery

Δ 2 entries

Δ
diagnosis; change
ΔΔ
differential diagnosis (the list of possible diagnoses, and the effort to narrow that list)

Σ 1 entries

Σ
sigmoidoscopy

Ψ 1 entries

Ψ
psychiatry

Abbreviations vary between facilities. Always follow your organisation's approved abbreviation list and The Joint Commission's "Do Not Use" list.

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