Medical Abbreviations:
[ B ] [ C ][ D ][ E ][ F ][ G ][ H ][ I ][ J ][ K ][ L] [M-Z]


a artery, before
aa equal part of each
AA affected area
AAA abdominal aortic aneurysm
A2 aortic second sound
AAL acute lymphoblastic, leukemia, anterior axillary line
ab antibody
AB abortion
abd abdomen
ABG arterial blood gasses
ABN abnormal
ABP arterial blood pressure
abs absent
a.c. before meals (ante sebum)
Ac acute
AC anterior chamber
acc accident
accom. accommodation
acid phos. acid phosphate
ACL anterior cruciate ligament
ACTH adrenocorticotrophic hormone
AD right ear
add. abductor or abduction
ADH antidiruetic hormone
ADL activites of daily living
ad lib as desired
adm. admission
AE above elbow
AEA above elbow amputation
AF atrial fibrillation, afebrile
AFB acid fast bacilli
AFO ankle-foot orthosis
AFP alpha fetoprotein
A/G albumin globulin ratio (blood)
AGA appropriate gestational age
AI aortic insufficiency
AIDS acquired immunodeficiency syndrome
AJ ankle jerk
a.k. above knee
aka alcoholic ketoacidosis
AKA above knee amputation
alb. albumin
alc. alcohol
alk. phos. alkaline phosphate
ALL acute lymphocytic leukemia
ALS amyotrophic lateral sclerosis
ALT alternating with, alanine aminotransferase (formerly SGPT)
AMA against medical advice
amb. ambulating, ambulatory
AMI acute myocardial infarction
AML acute myeloid leukemia
amnio amniocentesis
amp. amputation, ampule
ANA antinuclear antibody
anes. anesthesia
ann. fib. annulus fibrosis
ANS autonomic nervous system
ant. anterior
ante before
ANUG acute necrotizing ulcerative gingivitis
Anxty anxiety
A/O alert and oriented
AOB alcohol on breath
AODM adult onset diabetes mellitus
AP ante partum
A&P auscultation and percussion
A-P anteroposterior
APC atrial premature contractions
aph aphasia
A-P & lat anteroposterior and lateral
AP resection abdominal perineal resection of the rectum
aq. water
AR aortic regurgitation
ARD acute respiratory distress
ARDS adult respiratory distress syndrome
ARF acute respiratory failure, acute rheumatic fever
AROM artificial rupture of membranes
art arterial
AS left ear,aortic stenosis
ASA acetylsalicylic acid, aspirin
A.S.A. American Society of Anesthesiologists
A.S.A. 1 normal healthy patient
A.S.A. 2 patient with mild systemic disease
A.S.A. 3 patient with severe systemic disease
A.S.A. 4 patient with incapacitating systemic disease that is constant threat to life
ASAP as soon as possible
ASCVD atherosclerotic cardiovascular disease
ASD atrial septal defect
ASHD arteriosclerotic heart disease
at. Flutter atrial flutter
ATN acute tubular necrosis
ATNR asymmetrical tonic neck reflex
AU both ears
aud. auditory
Aur. Fib auricular fibrillation
A-V arteriovenous
AVF arteriovenous fistula
AVR aortic valve replacement
A&W alive and well
Ax. axilla, axillary
A.Z. Ascheim-Zondek test


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B. bath
BA barium
Bab. Babinski sign
Ba.E barium enema
Bas. basal,basilar
baso basophile
BBB bundle branch block
BBT basal body temperature
BCA basal cell atypia
BCD basal cell dysplasia
BCE basal cell epithelioma
BCG bacillus Calmette-Guerin vaccine (tuberculosis vaccine)
BDC burn dressing change
BE below elbow, barium enema
BEA below elbow amputation
BFP biological false positive
Bic. biceps
b.i.d. twice daily
BIH bilateral inguinal hernia
bilat. Bilateral, bilaterally
bili bilirubin
b.i.n. twice a night
BiW twice weekly
BJ biceps reflex
bk. back
BK below knee
BKA below knee amputation
bl cult blood culture
bld. blood
Bl.T bleeding time
BM black male, bone marrow, bowel movement
BMR basal metabolic rate
body wt. body weight
BOMA otitis media, both ears, acute
BOW bag of water
BP blood pressure
BPD bronchopulmonary dysplasia
BPH benign prostatic hypertrophy
BPM beats per minute
Br. breech presentation
BR bedrest, bathroom
brach. brachial
BrBx. breast biopsy
broncho bronchoscopy
BRP bathroom privileges
BS blood sugar, bowel sounds
B.S. breath sounds
BSA body surface area
BSB bedside bag
BSC bedside commode
BSD bedside drainage
BSO bilateral salpingooophorectomy
BST blood serologic test
BT bleeding time
BTL bilateral tubal ligation
BUN blood urea nitrogen
BW birth weight
Bx. biopsy


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c. with
C cervical, Caucasian
C. centigrade, Celsius complement
CI-XII 1st to 12th cranial nerve
C-1 to C-7 cervical vertebrae
Ca calcium
CA carcinoma, cancer
CABG coronary artery bypass graft
CAD coronary artery disease
CAHD coronary atherosclerotic heart disease
Cal calorie, calories
CAPD continuous ambulatory peritoneal dialysis
Caps capsules
car. carotid
card. cardiac
Card Cath cardiac catheterization
CAT computerized axial tomography
cath catheterization, catheter
CB Cesarean birth
CBC complete blood count
CBD common bile duct
CBF cerebral blood flow
CBG capillary blood gas
CBR complete bed rest
cc. cubic centimeter
CC chief complaint
CCU coronary care unit
CD cardiac disease, contagious disease
CEA carcinoembryonic antigen
Cerv. cervix, cervical
CF cardiac failure, cystic fibrosis
CHD congenital heart disease, coronary heart disease
Chem. chemotherapy
CHF congestive heart failure
CHO carbohydrate
Chol cholesterol
Chr chronic
C.I color index
CI cardiac insufficiency, cardiac index
CIS carcinoma in situ
CK creatinine kinase
Cl chlorine, chloride
Clav. clavicle
cldy cloudy
CLL chronic lymphocytic leukemia
Cl.T clotting time
cm. centimeter
CML chronic myeloid leukemia
CMV cytomegalovirus
CN cranial nerve
CNS central nervous system
cnst. constipation
c/o complains of, complaints
Co2 carbon dioxide
comb. combine, combination
comm. communicable
comp. compound, compress
conc. concentrated
cons. consultation
cont. contractions, continued
COPD chronic obstructive pulmonary disease
Cor heart
CPAP continuous positive airway pressure
CPC clinicopathological conference
CPD cephalo-pelvic disproportion
CPK creatinine phosphokinase
CPPB continuous positive pressure breathing
CPR cardiopulmonary resuscitation
CPT chest physical therapy
CR closed reduction
cran. cranial
CRD chronic respiratory disease
creat. creatinine
CRF chronic renal failure
C/S, CS Cesarean section
C&S culture and sensitivity
CSF cerebrospinal fluid
C-spine cervical spine
CT computed axial tomography
C-V cardiovascular
CVA cerebrovascular accident, costovertebral angle
CVL central venous line
CVP central venous pressure
CVS cardiovascular system
Cx cervix, culture
CxR chest x-ray
Cysto cystoscopy


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DAP distal airway pressure
db. decibel
DBE deep breathing exercise
d/c discontinue
DC discharges, discontinue
D&C dilation and curettage
DD discharge diagnosis
D/DW dextrose, distilled water
DDx differential diagnosis
D&E dilation and evacuation
decr. decreased
dehyd. dehydrated
Derm. Dermatology
DES Diethylstilbestrol
D5RL 5% dextrose and lactated ringers
D5W 5% dextrose and sterile water
DI diabetes insipidus, diagnostic imaging
DIAG. diagnosis
diam. diameter
DIC disseminated intravascular coagulation, disseminated coagulopathy
diff. differential
dil. dilute
dim. diminished
DIP distal interphalangeal (joint)
dis. disease
disch. discharge
disp. disposition
dist. distilled, distal
DIU death in utero
div. divorced
DJD degenerative joint disease
DKA diabetic ketoacidosis
DLE disseminated lupus erythematosis
D/L DI decilter
DM diabetes mellitus, diastolic murmur
DNA deoxyribonucleic acid
DNKA did not keep appointment
DOA dead on arrival
DOB date of birth
DOE dyspnea on exertion
Dors dorsal
D.P. dorsal pedia
DPT diphtheria, pertussis, tetanus vaccine
DR delivery room
D&R dilation and radium implant
drsg. dressing
D/S discharge summary
DTR deep tendon reflexes
DT’s delirium tremens
DU duodenal ulcer
DUB dysfunctional uterine bleeding
DUI driving under influence
D/W dextrose in water
Dx diagnosis


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e without
EBL estimated blood loss
EBV Epstein-Barr virus
ECF extended care facility, extracellular fluid
ECG electrocardiogram
ECHO enterocytopathogenic human orphan virus
E.coli Escherichia coli
ECS endocervical scrape
ECT electroconvulsive
ED emergency department
EDC estimated date of confinement
EDOD estimated date of delivery
EEG electroencephalogram
EENT eyes, ears, nose, throat
EEX electrodiagnosis
EGA estimated gestational age
EGD esophago- gastroduodenoscopy
EKG electrocardiogram
elev. elevated
ELF elective low forceps
EmBx endometrial biopsy
EMG electromyogram
EMS endometrial scrape, emergency medical service
En. enema
ENT ears, nose, throat
Eoc. eosinophiles
EOM extraocular movement
Epis. episiotomy
Epis.LML left mediolateral episiotomy
Epis. Med. medial episiotomy
Epis. RML right mediolateral episiotomy
ERCP endoscopic retrograde cholangiopancreatography
ESR erythrocyte sedimentation rate
EST electroshock therapy
ETIOL. etiology
ETOH ethanol
EUA examine under anesthesia
EVAL evaluation
ex. exercise, example
expir expiration, expiratory
Exp. Lap exploratory laparotomy
ext. extremities, external
ext. gen. external genitalia


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F finger, female, Fahrenheit
FA fluorescent antibody
F.A. first aid
F.B. foreign body
FBS fasting blood sugar
FD fully dilated
FDA Food and Drug Administration
FDP flexor digitorum profundus
Fe def. iron deficiency
FEF forced expiratory flow
FEKG fetal electrocardiogram
fem. femoral
fem. pop. femoral popliteal
fet. fetal
FEV forced expiratory volume
f.f. force fluid
FFP fresh frozen plasma
fh fundal height
FH family history, fetal heart
FHR fetal heart rate
FHR-UC fetal heart rate- uterine contraction
FHT fetal heart tones
FiO2 faction of inspired oxygen concentration
fl. fluids
flac. flaccid
flex. flexor, flexion
fl. oz. fluid ounce
FM finger movement
FPAL full term premature abortion living
fract. fractional
FRC functional residual capacity
FS finger stick
FSH follicle stimulating hormone
FT full term
FTD failure to descend
FTND full term normal delivery
FTT failure to thrive
FUB functional uterine bleeding
F/U,F-U,F.U. follow-up
FUO fever of unknown origin
FVC forced vital capacity
FW fetal weight
Fx fracture


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G gravida
G.A. general anesthesia
GB gallbladder
GBS gallbladder series
G.C. gonococcus
GCS Glasgow Coma Scale
GE Gastroenterology
G/E gastroenteritis
gen, genl. general
gest. gestation
GFR glomerulo filtration rate
G.H. growth hormone
G.I. gastrointestinal
gluc glucose
gm gram
Gm+ gram positive
Gm- gram negative
gm.% grams per 100 c.c.
GMA grand mal attack
GNC general nursing care
GP General Practitioner, general paralysis
gr. grain, grains (dosage)
Grav. pregnancy
gt. drop gait training
gtts. drops
GSW gunshot wound
GTT glucose tolerance test
GU genitourinary
G/W glucose and water
GYN Gynecology


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h hour
H hydrogen history, hour, hypodermic
H/A headache
HAF hyperalimentation fluid
HASCVD hypertensive arteriosclerotic cardiovascular disease
Hb., Hgb hemoglobin
HB heart block
HBP high blood pressure
HC head circumference
H&C hot and cold
HCG human chorionic gonadotropin
HCO3 bicarbonate
Hct. hematocrit
HCVD hypertensive cardiovascular disease
h.d. at bedtime
Hd head, Hodgkin’s disease
HDl high density lipids
HEENT head, eyes, ears, nose, throat
hern. hernia
Hem Hematology
Hem Pro hematology profile
Hep. Lock Heparin lock
HGO hepatic glucose output
HH hard of hearing
HIDA(scan) hepatobiliary scan
HIE hypoxic ischemic encephalopathy
hist. history, histology
HIV human immunodificiency virus
HKAFO hip knee ankle foot orthosis
HLA human leukocyte group A, histocompatibility leukocyte focus
HM hand movement
HMD hyaline membrane disease
HMG human menopausal gonadotropin
HNP herniated nucleus pulposus
h/o history of
H.O. house officer
HOB head of bed
horiz. horizontal
H&P history and physical
hpf high power field
HPI history of present illness
HPL human placental lactogen
HR heart rate
H.R.S.T. heat, reddening, swelling, tenderness
HS bedtime
HSG hysterosalpingography
H2O water
H2O2 hydrogen peroxide
Ht height, heart
HVD hypertensive vascular disease
Hx history
Hyperal. hyperalimenation
Hz hertz (cycles/second)


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I radioactive iodine
IA intra-arterially
IABP intra-aortic balloon pump
i.c. intracutaneous(ly)
ICCU intensive coronary care unit
ICF intracellular fluid
ICS intercostal space
ICT insulin coma therapy
ICU intensive care unit
i.d. during the day
ID intradermal, identification, Infectious Disease
I&D incision and drainage
IDDM insulin dependent diabetes mellitus
I/E inspiratory, expiratory
Ig immunoglobulin
IGA immunoglobulin A
IGE immunoglobulin E
IGG immunoglobulin gamma G(Globulin)
IGM immunoglobulin M
IH infectious hepatitis
IHD ischemic heart disease
IM intramuscular, intramedullary
IMCU intermediate medical care unit
imp. impression
IMP inpatient multidimensional psych scale
IMV intermittent mandatory ventilation
In. inches
Inc. AB incomplete abortion
incr. increased (ing)
Inev. AB inevitable abortion
inf infusion, inferior
inj injured, injection
INR coagulant response time
inspir inspiration, inspiratory
int. internal
INTHC intrathecally
IO inferior oblique
I&O intake and output
IOP intraocular pressure
IP intraperitoneal
IPJ interphalangeal joint
IPPB intermittent positive pressure breathing
IQ intelligence quota
IRDS idiopathic respiratory distress syndrome
irreg. Irregular
IS intercostal space
IST insulin shock therapy
ITP idiopathic thrombocytopenic purpura
I,U., IU International Unit
IUC intrauterine catheter
IUCP intrauterine contraceptive device
IUD intrauterine device
IUFD intrauterine fetal death
IUGR intrauterine growth retardation
IUP intrauterine pregnancy
IUTP intrauterine term pregnancy
IV intravenous(ly)
IVC inferior vena cava, intravenous cholangiogram
IVD intervertebral disc
IVP intravenous pyelogram
IVPB intravenous piggy back
IVU intravenous urogram


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J joint
J-P Jackson Pratt drain
JRA juvenile rheumatoid arthritis
jt. joint
JVP jugular venous pulse


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K potassium, kidney
KC1 potassium chloride
Kcal. Kilocalorie, calorie
Kg., kg. kilogram
KJ, K-J knee jerk
KK knee kick
17 KS 17 keto steroids
KUB kidney, ureter, bladder (x-rays)
KVO keep vein open


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L left, liver, liter, lower, light, lumbar
L2,L3 second, third lumbar vertebrae
LA left antrum
lab. laboratory
lac. laceration
lacr. lacrimal
lact. lactic
LAD left anterior descending coronary artery
L&D labor and delivery
LAE left atrial enlargement
lam. laminectomy
lap. laparotomy
lat. lateral
LAVH laparoscopic assisted vaginal hysterectomy
lax laxative
lb. pound
LB large bowel
LBBB left bundle branch block
LBP lower back pain
LBW low birth weight
LCA left coronary artery
L.D. lethal dose
LDH lactic dehydrogenase
LDL low density lipids
LE lupus erythematosus
L.E. lower extremities
leuc. leukocytes
LF low forceps, low flap
LFA left frontoanterior
LFD low forceps delivery
LFP left frontoposterior
LFT left frontotransverse, liver function test
lg large, leg
LGA large for gestational age
LGV lymphogranuloma venereum
LH luteinizing hormone
LHT left hypertrophia
LICS left intercostal space
lig. ligament
LIH left inguinal hernia
liq. liquid
LKS liver, kidneys, spleen
LL lower lid
LLE left lower extremity
LLG left lateral gaze
LLL left lower lobe
LLQ left lower quadrant
LMA left mentoanterior
LMD family doctor
l/min liter per minute
LML left mediolateral
LMP left mentoposterior, last menstrual period
LMT left mentotransverse
L.N. lymph node
LNMP last normal menstrual period
LOA left occiput anterior
L.O.C. loss of consciousness, level of consciousness, laxative of choice
LOM left otitis media
LOP left occipital posterior
LOS length of stay
LOT left occiput anterior
LP lumbar puncture, light perception
lpf low power field
LPN licensed practical nurse
LR labor room, lateral rectus, light reflex
LRQ lower right quadrant
Ls. loose
L.S. lumbosacral
LSA lateral sacrum anterior
LSB left sternal border
LSCS lower segment Cesarean section
LSK liver, spleen, kidneys
LSO left salpingo-oophorectomy
LSP left sacrum posterior
LST left sacrum transverse
Lt. left, light
LTCS low transverse Cesarean section
LUE left upper extremity
LUL left upper lobe
LUQ left upper quadrant
LV left ventricle
LVEDP left ventricular end diastolic pressure
LVF left ventricular failure
LVH left ventricular hypertrophy
L & W living and well
LWCT Lee-White Clotting Time, coagulation time
Lymphs lymphocytes
lytes electrolytes
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