Sig Codes + Conversions

q.d.

once daily

q6h

every 6 hours

PO

orally; by mouth

NPO

nothing by mouth

p.r.n

as needed

q.o.d.

every other day

L

liter

h; hr

hour

lb

pound

q24h

every 24 hours

Cap

capsule

TBSP ; tbsp

tablespoon

ER ; XR ; XL

extended release

q8h

every 8 hours

q.p.m.

every evening

q.h.

every hour

q4h

every 4 hours

U

unit

mcg

microgram

gr

grain

gtt/gtts

drop/ drops

PV

vaginally

oz

ounce

vag

vaginally

q48h

every 48 hours

MEq

milliequivalent

g; G; GM

gram

q12h

every 12 hours

IV

intravenous

q; Q

every

kg

kilogram

mL/ hr

milliliters per hour

mL

milliliter

TSP; tsp

teaspoon

mL/ min

milliliters per minute

mg

milligram

q.a.m.

every morning

INJ

Inject ; injection

q2h

every 2 hours

Tab

tablet

AAA

apply to affected area

ss

one half

Buc

buccal ; between the gums and cheek

Elix

elixir

t.i.d.

three times a day

q.i.d.

four times a day

b.i.d.

two times a day

Stat

immediately ; NOW

p.c.

after meals

SL

sublingual (under the tongue)

OU

both eyes

UD

as directed

a.c.

before meals

SC ; SQ

subcutaneous (under the skin)

SVP

small volume parenteral

IM

intramuscular

t.i.w.

three times a week

TDS

transdermal delivery system

AS

left ear

LVP

large volume parenteral

MDI

metered dose inhaler

SR

sustained release

OS

left eye

AU

both ears

IVP

intravenous push

PCA

patient controlled anesthesia

qs ; QSAD

a sufficient quantity to make

h.s.

bedtime ; hour of sleep

Ung

ointment

IVF

intravenous fluid

GI

gastrointestinal

PR

rectally

AD

right ear

OD

right eye

PN

parenteral nutrition

TPN

total parenteral nutrition

SUPP

suppository

IVPB

intravenous piggyback

EC

enteric coated