Symbols
Abbreviations
Symbols
Abbreviations
Symbols
100
before meals
AC
100
before
/a
100
after meals
PC
100
after
/p
100
hour
H
200
every night at bedtime
QHS
200
minute
Min
200
every hour
QH
200
headache
HA
200
now, immediately
STAT
300
breakthrough pain
BT
300
with
/c
300
maximum allowable cost
MAC
300
discontinue
D/C
300
without
W/O
400
attention deficit disorder
ADD
400
return to stock
RTS
400
do not substitute
DNS
400
until gone
UG
400
around the clock
ATC
500
may repeat one dose
MRx1
500
gastroesophageal reflux disease
GERD
500
obsessive compulsive disorder
OCD
500
medical administration record
MAR
500
nothing by mouth
NPO
M
e
n
u