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Common Medical and Scientific Abbreviations

A–B

ACTH: adrenocorticotrophic hormone 
ADH: antidiuretic hormone 
AIDS: acquired immunodeficiency syndrome
ALL: acute lymphocytic leukemia 
ALP: alkaline phosphatase 
ALT: alanine aminotransferase (SGPT, serum glutamic-pyruvic transaminase) 
AML: acute myelogenous leukemia 
ANC: absolute neutrophil count 
APL: acute promyelocytic leukemia 
ARDS: adult respiratory distress syndrome 
ASA: aspirin 
AST: aspartate aminotransferase (SGOT, serum glutamic-oxaloacetic transaminase) 
AUC: area under the curve 
BCCA: British Columbia Cancer Agency 
bid: twice a day 
BMT: bone marrow transplant 
BSA: body surface area 
BUN: blood urea nitrogen 
BWI: bacteriostatic water for injection

C–D

°C: degrees Celsius 
CBC: complete blood count 
CD4: T-cell helper cell 
CD8: T-cell suppressor cell 
CHF: congestive heart failure 
cm: centimetre(s) 
CLL: chronic lymphocytic leukemia 
CML: chronic myelogenous leukemia 
CNS: central nervous system 
CPS: Compendium of Pharmaceuticals and Specialties 
Cr: creatinine 
CrCl: creatinine clearance 
CSF: cerebrospinal fluid 
CT: computed tomography 
CYP: cytochrome P 
DEHP: di-(2-ethylexyl) phthalate 
DES: diethylstilbestrol 
DLCO: pulmonary diffusion capacity for carbon monoxide 
DNA: deoxyribonucleic acid 
D5-½NS: dextrose 5% in ½ normal saline 
D5NS: dextrose 5% in normal saline 
D5W: dextrose 5% in water 
 

 

E–K

ECG: electrocardiogram 
eg,: for example 
eps: extrapyramidal symptoms 
etc.: et cetera, and so on 
°F: degrees Fahrenheit 
FSH: follicle-stimulating hormone 
FVC: forced vital capacity 
g: gram(s) 
GFR: glomerular filtration rate 
GI: gastrointestinal 
GIST: gastrointestinal stromal tumour 
GnRH: gonadotropin-releasing hormone 
h: hour(s) 
HUS: hemolytic uremic syndrome 
ie,: that is 
IM: intramuscular 
IP: intraperitoneal 
IT: intrathecal 
ITP: idiopathic thrombocytopenic purpura 
IU: international unit(s) 
IV: intravenous 
KCI: potassium chloride 
kg: kilogram(s)

L–O

L: litre(s) 
LDH: lactate dehydrogenase 
LH: luteinizing hormone 
LHRH: luteinizing hormone-releasing hormone 
M: molar 
m2: square metre 
MAHA: microangiopathic hemolytic anemia 
MAO: monoamine oxidase 
mcg: microgram(s) 
MDS: myelodysplastic syndrome 
mEq: milliequivalent(s) 
mg: milligram(s) 
MgSO4: magnesium sulfate 
min: minute(s) 
mL: millilitre(s) 
MRI: magnetic resonance imaging 
MU: million units 
NET: neuroendocrine tumour 
NK: cell natural killer cell 
NS: normal saline 
NSABP: National Surgical Adjuvant Breast and Bowel Project 
NSAID: nonsteroidal anti-inflammatory drug 
ONJ: osteonecrosis of the jaw

P–S

PABA: para-aminobenzoic acid 
PgP: p-glycoprotein 
pH: power of hydrogen (scale measuring acid/alkaline nature of solution) 
PNET: pancreatic neuroendocrine tumour 
po: by mouth 
PPB: plasma protein binding 
PRES: Posterior reversible encephalopathy syndrome (RPLS) 
prn: (pro re nata) as needed 
PSA: prostate-specific antigen 
PVC: polyvinyl chloride 
qid: four times a day 
RBC: red blood cell 
RNA: ribonucleic acid 
RPLS: reversible posterior leukoencephalopathy syndrome (PRES) 
s: second(s) 
SC: subcutaneous 
SGOT: serum glutamic-oxaloacetic transaminase (AST, aspartate aminotransferase) 
SGPT: serum glutamic-pyruvic transaminase (ALT, alanine aminotransferase) 
SIADH: syndrome of inappropriate secretion of antidiuretic hormone 
SPF: sun protection factor 
SWI: sterile water for injection (preservative-free)

T–Z

: half-life 
TB: tuberculosis 
tid: three times a day 
tiw: three times a week 
TLS: tumour lysis syndrome 
U: unit(s) 
μmol: micromole(s) 
USP: United States Pharmacopoeia 
VAD: venous access device
Vd: apparent volume of distribution 
VIP: vasoactive intestinal peptide 
VOD: veno-occlusive disease 
WBC: white blood cell

Numbers

2/3D-1/3NS: 2/3 dextrose 5% in 1/3 normal saline