1
Q
o
A
none / without
2
Q
O2
A
oxygen
3
Q
OB
A
obstetrics
4
Q
OBG
A
obstetrics and gynaecology
5
Q
obs
A
observation(s)
6
Q
OD or O/D
A
overdose
7
Q
oh
A
omni hora (every hour)
8
Q
om
A
omni mane (every morning)
9
Q
on
A
omni nocte (every night)
10
Q
OOB
A
out of bed
11
Q
Op or OP
A
operation / outpatient
12
Q
O/N
A
overnight
13
Q
OPD
A
outpatients department
14
Q
OR
A
operating room
15
Q
OT
A
occupational therapy (therapist)
16
Q
OTC
A
over the counter (non-prescription drugs)
17
Q
oz
A
ounce
18
Q
O/A
A
on admission / on arrival
19
Q
OCP
A
oral contraceptive pill
20
Q
OGTT
A
oral glucose tolerance test
21
Q
OH & S
A
occupational health and safety
22
Q
Oint
A
ointment
23
Q
Ophth.
A
ophthalmology
24
Q
Ortho.
A
orthopaedics
25
O2 sats
oxygen saturation
26
OTA
over toilet aid
