GA
Gastric Analysis, General Anesthesia
gal
gallon
GB
Gallbladder
Gc
Gonococcus, Gonorrhea
GERD
Gastroesophageal Reflux Disease
GH
Growth Hormone
Gl
Gastrointestinal
Gm, g
gram
gr
grain
gt, gtt, gtts
drop, drops
GTT
Glucose Tolerance Test
GU
Genitourinary
Gyn
Gynecology
I&D
Incision & Drainage
I&O
Intake & Output
ICCU
Intensive Coronary Care Unit
ICD
International Classification of Diseases
ICU
Intensive Care Unit
ID
Intradermal, Infectious Disease
IDDM
Insulin-Dependent Diabetes Mellitus
IH
Infectious Hepatitis
IM
Intra Muscular
imp
impression
in
inch