ac
before meals
AM
morning
BSA
body surface area
cap
capsule
caps
capsules
cm
centimeter
IM
intramuscular
in
inches
IV
intravenous
IVPB
IV piggyback
kg
kilogram
L
liter
lb
pound
mcg
microgram
mEq
milliequivalent
mg
milligram
mL
milliliter
NPO
nothing by mouth
oz
ounce
pc
after meals
PM
afternoon, evening
PO
by mouth
prn
as necessary
q4h
every 4 hours