O & P Abbrev.

o-

o-

ortho-

OB

obstetrics

OC

oral contraceptive

OD

overdose

oint

ointment

OOB

out of bed

OPD

outpatient department

OPS

outpatient services

OR

operating room

OTC

over-the-counter

p (with dash on top)

after

p-

para-

p.c., pc

after meals

p.r.n.,prn,PRN

whenever necessary

p/o

postoperative

P&P

pap smear and pelvic examination

PA

posteroanterior

Pap

Pap smear

Path

pathology

PE

physical examination

per

by, with

PH

past history

PID

pelvic inflammatory disease

PMFS(s with dash on top)H

past medical,family,social history

PMS

premenstrual syndrome

POMR

problem-oriented medical record

Pt

patient

PT

physical therapy

PTA

prior to admission

pulv

powder

PVC

premature ventricular contraction