Medical abbreviations

AD

Right ear

AS

Left ear

AU

Both ears

BID

Twice daily, every 12 hours

BPM

Beats or breaths per minute

CBC

Complete blood count

CHF

Congestive heart failure

CNS

Central nervous system

CRT

Capillary refill time

D/C

Discontinue

Dx

Diagnosis

EENT

Eyes, ears, nose and throat

EOD

Every other day

F/S

Spayed female

FNA

Fine needle aspirate

FUO

Fever of unknown origin

Fx

Fracture

HBC

Hit by car

HCT

Hematocrit

HR

Heart rate

Hx

History

IM

Intramuscular

IN

Intranasal

IV

Intravenous

M/N

Neutered male

NPO

Nothing by mouth

NSF

No significant findings

OD

Right eye

OS

Left eye

OU

Both eyes

PCV

Packed cell volume

PE

Physical exam

PO

By mouth

PRN

As needed

PU/PD

Polyuria/polydipsia (i.e., drinking and urinating more than normal)

q

Every (e.g., q4hrs means every 4 hours)

QAR

Quiet, alert and responsive

QD

Once daily, every 24 hours

QID

Four times daily, every 6 hours

QOD

Every other day

ROM

Range of motion

RR

Respiratory rate

Rx

Prescription

S/R

Suture removal

SC

Under the skin

SID

Once daily, every 24 hours

SOAP

Subjective, objective, assessment, plan — a method of organizing medical records

SQ

Under the skin

STAT

Immediately

Sx

Surgery

TID

Three times daily, every 8 hours

TPR

Temperature, pulse and respiration rates

Tx

Treatment

UA

Urinalysis

URI

Upper respiratory infection

UTI

Urinary tract infection

WNL

Within normal limits