Oxygen
O2
Omnibus budget reconciliation act
OBRA
Out of bed
oob
Operating room
or
Occupational saftey and health admin
OSHA
Occupational therapy
ot
ounce
oz
After meals
p.c.
Patient controlled analgesia
PCA
Percutaneous endoscopic gastronomy
peg
by mounth
per os
Prineal care
peri care
Protected health information
phi
Post mortem care
pmc
past medical history
pmh
Peripheral nervous system
pns
by mouth
po
personal protective equipment
ppe
Before surgery
pre-op
after surgery
post-op
As needed
prn
Physical therapy
pt
Patient
pt
Peripheral vascular disease
PVD
partial weight bearing
pwb