Medical Abbreviations

Use this list of common medical abbreviations and terminology used by doctors, medical specialists, RNs, PAs, and other health-care ...

ZN

Zinc

Full Article

ZMC

Zygomatico-Maxillary Complex

Full Article

ZIFT

Zygote intrafallopian transfer

Full Article

ZES

Zollinger–Ellison syndrome

Full Article

ZD

zinc deficiency

Full Article

YR

year or years

Full Article

YST

yolk sac tumor

Full Article

YPLL

years of potential life lost

Full Article

Y/O

years old

Full Article

XRT

Radiotherapy used in cancer treatment

Full Article

XR

x-ray

Full Article

X-AFP

extended alpha-fetoprotein

Full Article

X

(x with macron) except

Full Article

WWI

walking while intoxicated (ethanol or other drugs)

Full Article

W/U

Workup

Full Article

WT

weight (whether human weight or otherwise)

Full Article

WS

Waardenburg syndromeWarkany syndromewater-solubleWerner syndromeWest syndromeWilliams syndromeWolfram syndrome

Full Article

WPW

Wolff–Parkinson–White syndrome

Full Article

WOI

without incident

Full Article

W/O

without

Full Article

WNL

within normal limits (also: we never looked)

Full Article

WN

well nourished

Full Article

WLE

Wide local excision

Full Article

WISC-R

Wechsler intelligence scale for children revised

Full Article

WG

Wegener's granulomatosis

Full Article

WEE

Western equine encephalitis virus

Full Article

WDWN

well developed and well nourished

Full Article

WH

well hydrated (not dehydrated or hyperhydrated)

Full Article

WDL

within defined limits (as per hospital defined policy)

Full Article

WD

well developed

Full Article

W/C

wheelchair

Full Article

WC

white cells or wheelchair or (surprisingly still used) water closet (bathroom)

Full Article

WBRT

whole-brain radiotherapy treatment

Full Article

WBI

whole bowel irrigation

Full Article

WBC

white blood cellwhite blood cell count

Full Article

WBAT

weight bearing as tolerated

Full Article

WAT

white adipose tissue

Full Article

WASP

Wiskott–Aldrich syndrome protein

Full Article

WAS

Wiskott–Aldrich syndrome

Full Article

WAP

wandering atrial pacemaker (see multifocal atrial tachycardia)

Full Article

WAIS-R

Wechsler adult intelligence scale revised

Full Article

VZV

varicella zoster virus

Full Article

VZIG

varicella zoster immune globulin

Full Article

VWF

Von Willebrand factor

Full Article

VWD

Von Willebrand disease

Full Article

VUR

vesicoureteral reflux

Full Article

VTEC

verotoxin-producing Escherichia coli, also known as enterohaemorrhagic E. coli

Full Article

VTE

venous thromboembolism

Full Article

VT

ventricular tachycardia

Full Article

VSS

vital signs stable

Full Article

VSR

ventricular septal rupture

Full Article

VSD

ventricular septal defect

Full Article

VS

vital signs

Full Article

VRSA

vancomycin-resistant Staphylococcus aureus

Full Article

VRE

vancomycin-resistant enterococcus

Full Article

V/Q

ventilation/perfusion scan

Full Article

VPI

Velopharyngeal insufficiency

Full Article

VPC

ventricular premature contraction

Full Article

VPB

ventricular premature beats

Full Article

VPAP

variable positive airway pressure

Full Article

VA

valproic acid

Full Article

VOD

volume of distribution

Full Article

VOC

vaso-occlusive crisis

Full Article

VO

verbal order

Full Article

VNPI

Van Nuys prognostic scoring index (for ductal carcinoma)

Full Article

VMA

vanillylmandelic acid

Full Article

VLDL

very-low-density lipoprotein

Full Article

VIP

vasoactive intestinal peptide

Full Article

VIN

vulvar intraepithelial neoplasia

Full Article

VHL

Von Hippel–Lindau disease

Full Article

VH

visual hallucinationsvaginal hysterectomy

Full Article

VF OR V. FIB

ventricular fibrillation

Full Article

VEE

Venezuelan equine encephalitis

Full Article

VED

Vacuum Erection Device

Full Article

VEB

ventricular ectopic beat

Full Article

VE

vaginal examination (manual examination)

Full Article

VDRL

Venereal Diseases Research Laboratory (old test for syphilis)

Full Article

VDRF

ventilator-dependent respiratory failure

Full Article

VD

vaginal deliveryvenereal disease (outdated name for sexually transmitted disease)volume of distribution

Full Article

VCUG

voiding cystourethrogram

Full Article

VCJD

variant Creutzfeldt–Jakob disease

Full Article

VCTC

voluntary counselling and testing centers (for HIV—government centres in India)

Full Article

VC

vital capacity

Full Article

VBAC

vaginal birth after caesarean

Full Article

VBG

venous blood gases

Full Article

VAS

vibroacoustic stimulationvisual analog scale

Full Article

VAMP

vesicle-associated membrane proteinvincristine, adriblastine, methylprednisone

Full Article

Vag

vaginal

Full Article

VAD

ventricular assist device

Full Article

VAC

vincristine, actinomycin D, and cyclophosphamide (chemotherapy regimen)

Full Article

VA

visual acuity

Full Article

V

ventilation

Full Article

UVAL

ultraviolet argon laser

Full Article

UUS

upper uterine segment

Full Article

UTI

urinary tract infection

Full Article

USS

ultrasound scan

Full Article

USR

unheated serum reagin

Full Article

USP

United States Pharmacopeia

Full Article

USO

unilateral salpingo-oophorectomy

Full Article

USG

ultrasonogram

Full Article

US

UltrasonogramUltrasound

Full Article

URTI

upper respiratory tract infection

Full Article

URI

upper respiratory infection

Full Article

URA

unilateral renal agenesis

Full Article

UPJ

ureteropelvic junction (see pyeloplasty)

Full Article

UnK

unknown

Full Article

Ung

ointment (from Latin unguentum)

Full Article

UOP

urinary output

Full Article

ULN

upper limit of normal

Full Article

UGI

upper gastrointestinal tarct

Full Article

UIP

usual interstitial pneumonitis

Full Article

TFE

Uterine Fibroid Embolization

Full Article

U&E

urea and electrolytes (blood test) (for sodium, potassium, creatinine)

Full Article

UE

upper extremity

Full Article

UDS

urine drug screeningUndifferentiated sarcoma

Full Article

UCTD

Undifferentiated connective tissue disease

Full Article

UCHD

usual childhood diseases (see list of childhood diseas )

Full Article

UC

ulcerative colitis

Full Article

UBT

urea breath test

Full Article

UAE

Uterine Artery Embolization (synonym for Uterine Fibroid Embolization)

Full Article

USA

unstable angina

Full Article

U/A

upon arrival

Full Article

UA

urinalysisunstable angina

Full Article

Uosm

urine osmolality

Full Article

Txp

transport (by ambulance to or between hospitals)

Full Article

TX

therapytransplanttreatment

Full Article

TVT

tension-free vaginal tape

Full Article

TVH

transvaginal hysterectomy

Full Article

TVC

true vocal cord

Full Article

TURP

transurethral resection of the prostate

Full Article

TURB

transurethral resection of bladder tumor

Full Article

TUR

transurethral resection

Full Article

TUNA

Transurethral needle ablation of the prostate

Full Article

TUMT

Transurethral microwave thermotherapy

Full Article

TUIP

Transurethral incision of the prostate

Full Article

TUBA

Trans-umbilical breast augmentation

Full Article

Tu

Tumor

Full Article

TTTS

twin-to-twin transfusion syndrome

Full Article

TTS

transdermal therapeutic system

Full Article

TTR

transthyretin

Full Article

TTP

thrombotic thrombocytopenic purpuratender to palpation

Full Article

TTO

to take out (medicines given to patient on discharge from hospital stay)

Full Article

TTN

transient tachypnea of the newborn

Full Article

TTE

transthoracic echocardiogram

Full Article

TT

thrombin time

Full Article

T.S.T.H

too sick to send home

Full Article

TSI

Thyroid Stimulating Immunoglobulin

Full Article

TSHR-Ab

thyrotropin-receptor antibody

Full Article

TSH

Thyroid Stimulating HormoneThoughts of self-harm

Full Article

Tsp

teaspoon (5 mL)

Full Article

TS

tricuspid stenosis

Full Article

TRUSP

Transrectal Ultrasonography of the ProstateTransrectal Ultrasound of the Prostate

Full Article

TRT

testosterone replacement therapy

Full Article

TRH

Thyrotropin Releasing Hormone

Full Article

TRF'd

Transferred 

Full Article

TRF

transfer (pronounced "turf")

Full Article

TRAP

tartrate-resistant acid phosphatase

Full Article

TRAM

transverse rectus abdominis myocutaneous flap (TRAM flap)

Full Article

Tr

tincture

Full Article

TR

tricuspid regurgitation

Full Article

TPR

total peripheral resistance

Full Article

TPR

temperature, pulse, respiration

Full Article

TPN

total parenteral nutrition

Full Article

TPa

tissue plasminogen activator

Full Article

TP

total protein

Full Article

TOT

transobturator tape

Full Article

TOP

termination of pregnancy

Full Article

TOF

Tetralogy of Fallot

Full Article

TOE

transoesophageal echocardiogram

Full Article

TOD

transoesophageal Doppler

Full Article

TOC

test-of-cure (+TOC meaning patient cured of disease proven via test)

Full Article

TOA

tuboovarian abscess

Full Article

TNTC

too numerous to count

Full Article

TNM

tumor-nodes-metastases

Full Article

TNG

trinitroglycerin

Full Article

TMJ

temporomandibular joint

Full Article

TNF

tumor necrosis factor

Full Article

TME

total mesorectal excision

Full Article

TM

tympanic membrane

Full Article

TLR

tonic labyrinthine reflex

Full Article

TLH

total laparoscopic hysterectomy

Full Article

TLC

total lung capacity, or total lymphocyte count

Full Article

TLA

three letter acronym

Full Article

TKVO

to keep vein open

Full Article

TKR

total knee replacement

Full Article

TKO

to keep (vein) open for IV therapy

Full Article

TNA

total knee arthoplasty

Full Article

TIPS

transjugular intrahepatic portosystemic shunt

Full Article

TIN

tubulointerstitial nephritis

Full Article

TID

three times a day (from Latin ter in die)

Full Article

Tib-Fib

tibia and fibula

Full Article

TIBC

total iron-binding capacity

Full Article

TIA

transient ischemic attack

Full Article

THR

total hip replacement

Full Article

T&H

type and hold (stay ready for blood transfusion)

Full Article

TGV

transposition of the great vessels

Full Article

TGF

tumor growth factor

Full Article

Tg

thyroglobulin

Full Article

TG

Triglycerides

Full Article

TGA

transposition of the great arteries

Full Article

TFT

thyroid function tests

Full Article

TFR

tumor volume to fetal weight ratio

Full Article

T/F

transfer

Full Article

TNES

transcutaneous electrical nerve stimulator

Full Article

TEN

toxic epidermal necrolysis

Full Article

Temp

temperature

Full Article

TEM

transmission electron microscopy

Full Article

TEF

tracheoesophageal fistula

Full Article

TEE

transesophageal echocardiogram

Full Article

TEC

transient erythroblastopenia of childhood

Full Article

TEB

thoracic electrical bioimpedance

Full Article

TE

tracheoesophageal

Full Article

TD

Tardive dyskinesia

Full Article

TDT

terminal deoxynucleotidyl transferase

Full Article

TDS

three times a day (from Latin ter die sumendus)

Full Article

TDP

Torsades de pointes

Full Article

TDaP

tetanus, diphtheria, and acellular pertussis combined vaccine

Full Article

Td

tetanus and diphtheria (combined vaccination)

Full Article

T2DM

type 2 Diabetes mellitus

Full Article

TCT

thrombin clotting time

Full Article

TCOM

Transcutaneous oxygen measurement

Full Article

TCN

tetracycline

Full Article

TCM

traditional Chinese medicine

Full Article

TCC

transitional cell carcinoma

Full Article

TCA

tricyclic antidepressants

Full Article

TC

traffic crash

Full Article

TBLC

term birth living child

Full Article

TBI

to be intubatedtotal body irradiationtraumatic brain injury

Full Article

TBG

thyroid-binding globulin

Full Article

TbEC

Enteric coated tablet

Full Article

TBC

total body crunch

Full Article

TB

tuberculosis

Full Article

TAT

thematic apperception test

Full Article

TAPVR

total anomalous pulmonary venous return

Full Article

TAP

trypsinogen activation peptide

Full Article

TAH-BSO

total abdominal hysterectomy with bilateral salpingo-oophorectomy

Full Article

TAH

total abdominal hysterectomy

Full Article

TAB

therapeutic abortion

Full Article

Tab

Tablet (pharmacy)

Full Article

T & C

type and cross-match (see blood transfusion)

Full Article

T & A

tonsillectomy with adenoidectomy

Full Article

TA

temporal arteritis 

Full Article

Tx

Treatment

Full Article

T

thoracic vertebrae

Full Article

Sz

seizure

Full Article

SXR

skull x-ray

Full Article

SXA

single-energy X-ray absorptiometer

Full Article

Sx

symptoms

Full Article

SW

Sturge–Weber syndrome

Full Article

SVT

supraventricular tachycardia

Full Article

SVR

systemic vascular resistance

Full Article

SVN

small volume nebulizer

Full Article

SVI

systemic viral infection

Full Article

SVG

Saphenous vein graft

Full Article

SVE

sterile vaginal examination

Full Article

SVD

spontaneous vaginal deliverysimple vertex delivery

Full Article

SVC

superior vena cava

Full Article

SV

seminal vesiclestroke volume

Full Article

SUV

standardized uptake value

Full Article

Supp

suppository

Full Article

SUI

stress urinary incontinence

Full Article

Subq

subcutaneous

Full Article

STS

serological test for syphilissoft tissue sarcoma

Full Article

Strep

Streptococcus

Full Article

STOP

surgical termination of pregnancy (sometimes suction termination of pregnancy)

Full Article

STNR

Symmetrical tonic neck reflex

Full Article

STN

Subthalamic nucleus

Full Article

STI

sexually transmitted infectionsoft tissue injury

Full Article

STH

somatotropic hormone

Full Article

STEMI

ST elevation myocardial infarction

Full Article

STEC

Shiga toxin–producing Escherichia coli (another name for enterohemorrhagic E. coli)

Full Article

STAT

immediately (from Latin statim)

Full Article

STD

sexually transmitted disease

Full Article

Staph

Staphylococcus

Full Article

ST

sore throatspeech therapy

Full Article

SSS

sick sinus syndrome

Full Article

SSSS

staphylococcal scalded skin syndrome

Full Article

SSSI

skin and skin structure infection (also referred to as acute bacterial skin and skin structure infection - ABSSSI)

Full Article

SSRI

selective serotonin reuptake inhibitor

Full Article

ssRNA

single-stranded RNA

Full Article

SSPE

subacute sclerosing panencephalitis

Full Article

SSKI

potassium iodide solution

Full Article

SSI

sliding scale insulinSurgical site infection

Full Article

SSEP

somatosensory evoked potential

Full Article

SSE

sterile speculum exam

Full Article

SSC

secondary sex characteristics

Full Article

S/Sx

signs and symptoms

Full Article

SS

hemoglobin SS (HbSS) (see in sickle-cell disease = SS disease)subserosalSjogren's Syndrome

Full Article

SRU

shock resuscitation unit

Full Article

SROM

spontaneous rupture of membranes

Full Article

SR

slow release

Full Article

SQ

subcutaneous

Full Article

SPS

single point (walking) stick

Full Article

Sp. gr

specific gravity

Full Article

Sp. fl

spinal fluid

Full Article

SPET

single-photon emission tomography

Full Article

SPEP

serum protein electrophoresis

Full Article

SPECT

single-photon emission computed tomography

Full Article

Spec

specimen

Full Article

SPE

streptococcal pyrogenic exotoxin

Full Article

S/P

status post

Full Article

SOS

if needed (from Latin si opus sit)

Full Article

SOOB

send out of bedsitting out of bed

Full Article

Sol

solution

Full Article

SOL

space-occupying lesion

Full Article

SOBOE

shortness of breath on exertion

Full Article

SOB

shortness of breath

Full Article

SOAP

subjective, objective, assessment, plan (how physicians’ notes may be organized)

Full Article

SOA

swelling of ankles

Full Article

SO

salpingo-oophoritis

Full Article

SNV

sin nombre virus (the most common type of hantavirus)

Full Article

SNRI

serotonin–norepinephrine reuptake inhibitor

Full Article

SNP

sodium nitroprussidesingle nucleotide polymorphism

Full Article

SNF

skilled nursing facility

Full Article

SNB

sentinel node biopsy (ductal carcinoma)

Full Article

SN

student nurse skilled nursing

Full Article

SMV

superior mesenteric vein

Full Article

SMT

spinal manipulative therapy

Full Article

SMS

senior medical student

Full Article

SMN

statement of medical necessity

Full Article

SMA-7

serum metabolic assay

Full Article

SMA-6

six-channel serum multiple analysis

Full Article

SMA

sequential multiple analysissuperior mesenteric arteryspinal muscle atrophy

Full Article

SM

multiple sclerosis (from Latin sclerosis multiplex)submucosal

Full Article

SLP

speech-language pathologist

Full Article

SLL

small lymphocytic lymphoma

Full Article

SLR

straight leg raise

Full Article

SLNB

sentinel lymph node biopsy

Full Article

SLN

sentinel lymph node

Full Article

SLEV

St Louis virus

Full Article

SLE

systemic lupus erythematosus

Full Article

SL

sublingual

Full Article

SK

streptokinase

Full Article

SJS

Stevens–Johnson syndrome

Full Article

SIT

stress inoculation training

Full Article

SIRS

systemic inflammatory response syndrome

Full Article

SIMV

synchronized intermittent mechanical ventilation

Full Article

SIL

squamous intraepithelial lesion

Full Article

SIDS

sudden infant death syndrome

Full Article

SID

semel in die meaning once daily. Used only in veterinary medicine.

Full Article

SIBO

small intestinal bacterial overgrowth

Full Article

SICU

surgical intensive care unit

Full Article

SIADH

syndrome of inappropriate antidiuretic hormone

Full Article

SI

International System of Unitssuicidal ideationseriously illsacroiliac (joint)

Full Article

SHx

surgical history

Full Article

SHPT

secondary hyperparathyroidism

Full Article

SHBG

sex hormone-binding globulin

Full Article

SHx

social  (personal habits, living situation, job)

Full Article

SGOT

serum glutamic oxaloacetic transaminase

Full Article

SGB

stellate ganglion block

Full Article

SG

specific gravity (in urinanalysis)

Full Article

SEM

Swan–Ganz catheter

Full Article

SGA

small for gestational age

Full Article

SFA

superficial femoral arteryserum folic acid

Full Article

SERT

serotonin transporter

Full Article

SERM

selective estrogen receptor modulator

Full Article

SEM

standard error of the meansystolic ejection murmur

Full Article

Segs

segmented cells

Full Article

SEE

syphilis elimination effort

Full Article

SER

sedimentation rate

Full Article

SE

standard errorside effect

Full Article

SDTI

suspected deep tissue injury

Full Article

SDH

subdural hematoma

Full Article

SD

standard deviation

Full Article

S.D.

subdermal

Full Article

SCT

sacrococcygeal tumor

Full Article

scope

microscope or endoscope

Full Article

SCLC

small cell lung cancer

Full Article

SCIWORA

spinal cord injury without radiographic abnormality

Full Article

SCID

severe combined immunodeficiency

Full Article

SCI

spinal cord injury

Full Article

SCD

sequential compression devicesickle-cell diseasesudden cardiac death

Full Article

SCC

squamous cell carcinoma

Full Article

SCAT

sex cord tumor with annular tubes

Full Article

SCA

spinocerebellar ataxia

Full Article

SC

subcutaneous (from Latin subcutis)

Full Article

SBRT

split beam radiation therapy

Full Article

SBP

systolic blood pressurespontaneous bacterial peritonitis

Full Article

SBO

small bowel obstruction

Full Article

SBMA

spinal and bulbar muscular atrophy

Full Article

SBFT

small bowel follow through

Full Article

SBE

subacute bacterial endocarditis

Full Article

SB

small bowel

Full Article

SARS

severe acute respiratory syndrome

Full Article

Sarc

sarcoidosis

Full Article

SAR

seasonal allergic rhinitis

Full Article

SAPS III

simplified acute physiology score

Full Article

SAPS II

simplified acute physiology score

Full Article

SAN

sinoatrial node

Full Article

SAM

systolic anterior motion of the mitral valve

Full Article

SAH

subarachnoid hemorrhage

Full Article

SAD

seasonal affective disordersubacromial decompression

Full Article

SAB

spontaneous abortion ( miscarriage)

Full Article

SAAG

serum–ascites albumin gradient

Full Article

S&O

salpingo-oophorectomy

Full Article

S4

fourth heart sound

Full Article

S3

third heart sound

Full Article

S2

second heart sound

Full Article

S1

first heart sound

Full Article

SX

symptomssurgery

Full Article

S

sacrum

Full Article

RVT

renal vein thrombosis

Full Article

RVSP

right ventricular systolic pressure

Full Article

RVR

rapid ventricular rate (tachycardia)

Full Article

RVH

right ventricular hypertrophy

Full Article

RVF

right ventricular failure

Full Article

RVAD

right ventricular assist device

Full Article

RV

residual volumeright ventricle

Full Article

RUTI

recurrent urinary tract infection

Full Article

RUQ

right upper quadrant

Full Article

RUL

right upper lobe (of lung)

Full Article

RUE

right upper extremity

Full Article

RTV

ritonavir

Full Article

RTS

Revised Trauma Score

Full Article

RTC

return to clinic

Full Article

RTA

renal tubular acidosis

Full Article

RTA

Road traffic accident

Full Article

RT-PCR

reverse transcriptase polymerase chain reaction

Full Article

RT

radiotherapyrespiratory therapyreverse transcriptase

Full Article

R/T

related to

Full Article

RSV

respiratory syncytial virus

Full Article

RSI

rapid sequence induction

Full Article

RSB

Right sternal border

Full Article

RS cell

Reed–Sternberg cell

Full Article

RRR

regular rate and rhythm

Full Article

RRP

Recurrent Respiratory Papillomatosis

Full Article

RR

respiratory rate

Full Article

RPR

rapid plasma reagin test

Full Article

RPLND

retroperitoneal lymph node dissection

Full Article

RPGN

rapidly progressing glomerulonephritis

Full Article

ROSC

return of spontaneous circulation

Full Article

ROS

review of systems

Full Article

ROP

right occipital posteriorretinopathy of prematurity

Full Article

ROM

range of motionrupture of membranes

Full Article

ROA

ROAright occipital anterior

Full Article

R/O

rule out

Full Article

RNY

Roux-en-Y anastomosis

Full Article

RNV

radionuclide ventriculography

Full Article

RNP

ribonucleoprotein

Full Article

RNA

ribonucleic acid

Full Article

RNSF

rocky mountain spotted fever

Full Article

RMS

rhabdomyosarcoma

Full Article

RML

right middle lobe (of lung)

Full Article

R&M

Routine + microscopic (General analysis of urine)

Full Article

RLQ

right lower quadrant (of abdomen)

Full Article

RLN

recurrent laryngeal nerveregional lymph node

Full Article

RLL

right lower lobe (of lung)

Full Article

RLE

right lower extremity

Full Article

RL

Ringer's lactate ( lactated Ringer's solution)

Full Article

RIND

reversible ischemic neurologic deficit

Full Article

RIMA

reversible inhibitor of monoamine oxidase A

Full Article

RIF

rifampin

Full Article

RICE

rest, ice, compression, and elevation (treatment for a soft tissue injury)

Full Article

RIBA

radioimmunoblotting assay

Full Article

RIA

radioimmunoassay

Full Article

RhF

rheumatoid factor

Full Article

RHD

rheumatoid heart disease

Full Article

Rhabdo

Rhabdomyolysis

Full Article

Rh

rhesus factor

Full Article

r/g/m

rubs/gallops/murmurs

Full Article

RFT

renal function test

Full Article

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