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Abbreviations, acronyms, and alphabet soup: a glossary for the laboratory.

Here are commonly used laboratory abbreviations and acronyms in a list completely revised and updated from the one published by MLO in June 1981. If there's one thing health care professionals love, it's a handy abbreviation. Literally hundreds of combinations of initials crop up in day-to-day labspeak. Some acronyms are so convenient to use that they have become part of the American or even worldwide vernacular. Sadly, AIDS is probably the most outstanding example of this phenomenon in recent years. And it has made an earlier one, AID, harder to use clearly.

Many an abbreviation seems to be merely a jumble of letters created by health care workerstoo hurried to write out the entire phrase. Or perhaps they simply enjoy the camaraderie of communicating in their own special code.

This arcane language bears its share of confusion. One laboratorian's immunonuorescent assay is another's indirect fluorescent antibody. Some acronyms come and go, passing in and out of favor with the never-ending parade of medical advancements, clinical twists and turns, and research dead ends.

The mini-dictionary that follows lists laboratory acronyms and abbreviations to help you wade through the alphabet soup. Goodness knows, we couldn't include them all. But with the able assistance (AA) of our Editorial Advisory Board (EAB) and other assorted experts and advisers (OAEA), we've done our bestand in a few years we'll probably do it all again!

Glossary of laboratory abbreviations and acronyms

A

AAT a sub l-antitrypsin

a sub 1-AT a sub 1-antitrypsin

Ab antibody

ABG arterial blood gas

ABH antigens in ABO blood

group system ABO A, B, 0 (a major blood group

system)

ABS antibody screen

ACD acid citrate dextrose

(an anticoagulant)

ACh acetylcholine

AChE acetylcholinesterase

ACHR acetylcholine receptor antibody

ACIF anticomplement

immunofluorescence assay

ACT activated clotting time

activated coagulation time

ACTH adrenocorticotropic hormone

ACU acute care unit

ADH antidiuretic hormone

ADP adenosine diphosphate

ADT admission, discharge,

and transfer

AFB acid-fast bacillus

AFP alpha-fetoprotein

Ag antigen

AG anion gap

A/G albumin/globulin (ratio)

AGN acute glomerulonephritis

AHF antihemophilic factor

AHG antihemophilic globulin

antihuman globulin

AID acute infectious disease

artificial insemination by donor

autoimmune deficiency

autoimmune disease

AIDS acquired immunodeficiency

syndrome

AIHA autoimmune hemolytic anemia

A-line arterial line

ALA aminolevulinic acid

ALD aldolase

ALL acute lymphoblastic leukemia

acute lymphocytic leukemia ALP alkaline phosphatase

ALS amyotrophic lateral sclerosis

antilymphocytic serum ALT alanine aminotransferase

(formerly SGPT)

AMI acute myocardial infarction

AML acute myeloblastic leukemia

acute myelocytic leukemia

acute myelogenous leukemia

AMML acute myelomonocytic

leukemia

AMOL acute monocytic leukemia

AMP adenosine monophosphate

ANA antinuclear antibody

ANLL acute nonlymphocytic

leukemia

ANS aged normal serum

autonomic nervous system

AODM adult-onset diabetes mellitus

AOM acute otitis media

AP anteroposterior

anterior pituitary

APL acute promyelocytic leukemia

APT alum-precipitated toxoid

APTT activated partial

thromboplastin time

ARC AI DS-related complex

ARDS acute respiratory distress

syndrome

adult respiratory distress syndrome

ARF acute renal failure

ART automated reagin test

(for syphilis)

ASA acetylsalicylic acid

aspirin

ASAP as soon as possible

ASCVD arteriosclerotic cardiovascular

disease

ASO antistreptolysin-0

AST aspartate aminotransferase

(formerly SGOT)

ASU ambulatory surgery unit

ATCC American Type Culture

Collection

ATLS acute tumor lysis syndrome

ATP adenosine triphosphate

AUL acute undifferentiated

leukemia

B

BAL bronchial alveolar lavage

BCC basal cell carcinoma

BCE basal cell epithelioma

BCG bacillus Calmette-Gubrin

bromcresol green

BE barium enema

base excess

BFP biologic false positive

BG blood glucose

bid twice a day (L. bis in die)

BJP Bence-Jones protein

BM basal metabolism

bone marrow

bowel movement

BMR basal metabolic rate

BMT bone marrow transplant

BOM bilateral otitis media

BOS blood order schedule

BP blood pressure

BS blood sugar

breath sounds

BSA body surface area

bovine serum albumin

BSS balanced salt solution

BUN blood urea nitrogen

Bx biopsy

C

c Celsius (centigrade)

complement

c with (L. cum)

C125 C125 tumor antigen

Ca calcium

cancer

carcinoma

CAD coronary artery disease

CAH chronic active hepatitis CALLA common acute lymphoblastic

leukemia antigen

CAPD chronic ambulatory

peritoneal dialysis

CAT computerized axial

tomography

CBC complete blood count

cc chief complement

CCMS clean catch midstream

ccu coronary care unit

CDE an Rh blood group

CDNH chondrodermatitis nodularis

helicis

CEA carcinoembryonic antigen

CEV California encephalitis virus

CF complement fixation

cystic fibrosis

CFU colony-forming units

CGD chronic granulomatous disease

CGL chronic granulocytic leukemia

CGN chronic glomerulonephritis

CHAD cold hemagglutinin disease

ChE cholinesterase

CHF congestive heart failure

CHOL cholesterol

CIE counter

immunoelectrophoresis

CIN cervical intraepithelial

neoplasia

CIRC circumflex coronary artery

cis carcinoma in situ

CK creatine kinase

CLL chronic lymphocytic leukemia

CMI cell-mediated immunity

CML cell-mediated lympholysis

chronic myelocytic leukemia

CMV cytomegalovirus

CNS central nervous system

coagulase-negative staphylococci

c/o complains of

cop colloid osmotic pressure

COPD chronic obstructive pulmonary

disease

cp cerebral palsy

chemically pure

CPC clinical pathology conference

CPD citrate phosphate dextrose

CPDA-1 CPD anticoagulant with

adenosine

CPE cytopathic effect

cytopathogenic effect

CPK creatine phosphokinase

CPR cardiopulmonary resuscitation

Cpu central processing unit

CR creatinine

CRF chronic renal failure

CRP C-reactive protein

CRYO cryoprecipitated

antihemophilic factor (factor VIII)

C&S culture and susceptibility

C-section cesarean section

CSF cerebrospinal fluid

CSR corrected sedimentation rate

CT computerized tomography

C/T crossmatch to transfusion ratio

CV coefficient of variation

curriculum vitae (resume)

CVA cerebrovascular accident

D

DAT direct antiglobulin test

db decibel

D&C dilation and curettage

DC discontinue

DD directed donation (blood) DDAVP 1 -deamino-8-D-arginine

vasopressin

DFA direct fluorescent antibody

DH dermatitis herpetiformis

DHEA-S dehydroepiandrosterone sulfate

Di diabetes insipidus

DIC disseminated intravascular

coagulation

DIFF leukocyte differential count

DIG digoxin

DKA diabetic ketoacidosis

DM diabetes mellitus

dopamine

DMSO dimethyl sulfoxide

DNA deoxyribonucleic acid

DNR do not resuscitate

DO diamine oxidase

DOA dead on arrival

DOB date of birth

DOE dyspnea on exertion

DOPA dihydroxyphenylalanine

DOS direct operating system

DPH dilantin

DPN(H) diphosphopyridine nucleotide

(reduced); now nicotinamide

adenine dinucleotide (NAD)

DPT diphtheria-pertussis

tetanus injection

DRG diagnosis related group

DT delirium tremens

diphtheria and tetanus toxoids

D/W distilled water

Dx diagnosis

DZ dizygotic (twin)

E

E epinephrine

E sub 2 estradiol

E sub 3 estriol

EACA e-aminocaproic acid

EBL estimated blood loss

EBV Epstein-Barr virus

ECC endocervical curettage

ECG electrocardiogram

ED emergency department

EDC estimated date of confinement

(childbirth)

EDTA ethylene diamino-tetracetate

(anticoagulano

EEE Eastern equine encephalitis

EEG electroencephalogram

EENT eyes, ears, nose, throat

EIA enzyme immunoassay

ELISA enzyme-linked immunosorbent

assay

EM electron microscopy

EMA epithelial membrane antigen

EMB eosin-methylene blue (agar)

EMF electromotive force

EMG electromyelogram

EMI electromagnetic imagery

EMIT enzyme-multiplied

immunoassay technique

EMR electromagnetic resonance

ENA extractable nuclear antigen

ENT ears, nose, throat

EPO erythropoietin

ER emergency room

estrogen receptors

ERA estrogen receptor assay

ESR erythrocyte sedimentation rate

ESRD end-stage renal disease

ESWL extracorporeal shock wave

lithotripsy

ETOH ethanol

ethyl alcohol F

F Fahrenheit

FA fatty acid

fluorescent antibody

Fab antigen-binding fragment

of immunoglobulin

FAB French-American-British

classification (for acute leukemias)

FBS fasting blood sugar

Fc crystallizable fragment of

immunoglobulin

FCM flow cytometry

FCS fetal calf serum

FFA free fatty acid

FFP fresh frozen plasma

FIA fluorescent immunoassay

FID fungal immunodiffusion

FITC fluorescein isothiocyanate

FNA fine-needle aspiration

FPIA fluorescence polarization

immunoassay

fr urine fractional urine

fresh urine

FS frozen section

FSH follicle-stimulating hormone

FTA fluorescent treponemal antibody

FTA-Abs fluorescent treponemal

antibody, absorbed FTA-ABS fluorescent treponemal

antibody absorption test

FTI free thyroxine index

FTT failure to thrive

5-FU 5-fluorouracil

FUO fever of unknown origin

Fx fracture

G

GA gastric analysis

general anesthesia

GC gas chromatography

gonococcal

gonococci

gonococcus

gonorrhea

GC/ECD gas chromatography/

electron capture detector G C/FID gas chromatography/

flame ionization detector

GC/MS gas chromatography/

mass spectrometry

GC/NPD gas chromatography/

nitrogen phosphorus detector

GFR glomerular filtration rate

GG gamma globulin

GGT gamma-glutamyl transferase

GH growth hormone

GI gastrointestinal

GLC gas-liquid chromatography

GMB glomerular basement

membrane

GMP guanosine monophosphate

(guanosine 5'-phosphoric acid)

GNC gram-negative cocci

GNR gram-negative rods

GOT glutamic oxaloacetic

transaminase now aspartate aminotransferase (AST)

GPC gram-positive cocci

G6PD glucose-6-phosphate

dehydrogenase

GPR gram-positive rods

GPT glutamic pyruvic

transaminase; now alanine aminotransferase (ALT)

GSH reduced glutathione

group, screen, hold

GSW gunshot wound

GTT glucose tolerance test

GU gastric ulcer

genitourinary

GVH(R) graft vs. host reaction

H

HA headache

HAA hepatitis-associated antigen

HAD hemadsorption

HAI hemagglutination inhibition

HAV hepatitis A virus

Hb hemoglobin

HbA (sub 1)c glycosylated hemoglobin

hemoglobin A(sub 1)c

HBcAb hepatitis B core antibody

HBcAg hepatitis B core antigen

HBeAb hepatitis B e antibody

HBeAg hepatitis B e antigen

HBIG hepatitis B immune globulin

HBsAb hepatitis B surface antibody

HBsAg hepatitis B surface antigen

HBV hepatitis B virus

HCG human chorionic gonadotropin

HCL hairy cell leukemia

HCT hematocrit

HCV hepatitis C virus

HDL high-density lipoprotein

HDN hemolytic disease of the

newborn

H & E hematoxylin and eosin stain

HEM, hem hemolyzed

HEM hereditary erythroblastic

multinuclearity

HEMPAS hereditary erythroblastic

multinuclearity with positive acidified serum

HEP hemoglobin electrophoresis

Hgb hemoglobin

hGH human growth hormone

H&H hemoglobin and hematocrit

Hi hemagglutination inhibition

HIAA hydroxyindole acetic acid

HiB Hemophilus influenzae, type B

HIV human immunodeficiency virus

HLA histocompatibility antigen

human leukocyte antigen

human leukocytic antibody

human lymphocyte antibody

hLH human luteinizing hormone

HMD hyaline membrane disease

H & P history and physical

HPF high-power field

hPL human placental lactogen

HPLC high-pressure liquid

chromatography

HPV human papillomavirus

HSV herpes simplex virus

HTLV human T-cell leukemia virus

human T-cell lymphotropic vi

HTN hypertension

HUS hemolytic uremia syndrome

HVA homovanillic acid

Hx history

I

IAT indirect antiglobulin test

intraoperative autotransfusio

ICC immunocytochemistry

ICDH isocitric dehydrogenase

ICSH interstitial cell-stimulating

hormone

lCU intensive care unit

I & D incision and drainage

ID identification

infectious disease

infective dose

intradermal

IDA iron deficiency anemia

IEP immunoelectrophoresis

IF immunofluorescence

IFA immunof luorescent assay

indirect fluorescent antibody

IFE immunofixation electrophoresis

IFX immunofixation

Ig immunoglobulin

IgA immunoglobulin A (gamma A

immunoglobuhn)

IgD immunoglobulin D (gamma D

immunoglobulin)

IgE immunoglobulin E (gamma E

immunoglobulin)

IgG immunoglobulin G (gamma G

immunoglobulin)

IgM immunoglobulin M (gamma M

immunoglobulin)

IHA indirect hemagglutination

IHC immunohistochemistry

IM infectious mononucleosis

intramuscular

IMFX immunofixation

IMPX immunoperoxidase

INH isoniazid

I&O intake and output

IP immunoperoxidase

IR infrared

IRMA immunoradiometric assay

Is immediate spin (crossmatch)

ISE ion-selective electrode

ISG immune serum globulin

ITP idiopathic thrombocytopenic

purpura

IUC intrauterine catheter

IUD intrauterine device

IUGR intrauterine growth retardation

Iv intravenous

IV Cath intravenous catheter

IVF in vitro fertilization

IVIG intravenous immune globulin

J

JODM juvenile-onset diabetes

mellitus K

17-KGS 17-ketogenic steroid

KS Kaposi's sarcoma

ketosteroid L

LA latex agglutination

LAC La Crosse virus

LAD left anterior descending

(coronary artery)

LAN local area network (computers)

LAP leucine aminopeptidase

leukocyte alkaline

phosphatase

lyophilized anterior pituitary tissue

LATS long-acting thyroid stimulator

LAV lymphadenopathy-associated

virus (early name for HIV)

LCA leukocyte common antigen

LCAT lecithin-cholesterol

acyltransferase

LCM lymphocytic choriomeningitis

LD lactate dehydrogenase (also

called LDH)

lactic dehydrogenase (also called LDH)

lethal dose

lymphocyte defined

LD sub 50 median lethal dose

LDH lactate dehydrogenase

lactic dehydrogenase

LDL low-density lipoprotein

LE lupus erythematosus

LFT liver function test

LGV lymphogranuloma venereum

LH luteinizing hormone (see hLH)

LIS laboratory information system

LISS low ionic strength saline

solution

LN lymph node

LND lymph node dissection

LP Legionella pn eumophila

lichen planus

lumbar puncture

L/S lecithin/sphingomyelin ratio

LS lichen simplex

LS&A lichen sclerosus et atrophicus

LTH lactogenic hormone

luteotropic hormone

LYTES electrolytes

M

m molarity MAC Mycobacterium avium complex

MAI Mycobacterium avium

intracellulare

MAO monoam ine oxidase

MBC minimum bacteriocidal

concentration

MBD minimum bacteriocidal dilution

minimum brain damage

MBP myelin basic protein

MCH mean corpuscular hemoglobin

MCHC mean corpuscular hemoglobin

concentration

MCV mean corpuscular volume

mEq milliequivalence

milliequivalent

MFC minimum fungicidal

concentration

MFD minimum fatal dose

MG myasthenia gravis

MHA-TP micro-hemagglutination test

(for Treponema pallidum) MHC major histocompatibility

complex

MHPG methoxyhydroxy-phenylglycol

mi mitral insufficiency

myocardial infarction

MIC minimum inhibitory

concentration

MICU medical intensive care unit

MID minimum infecting dose

minimum inhibitory dilution

MIF migration inhibitory factor

MLD minimum lethal dose

MM mucous membrane

mmHg millimeters ot mercury

MONO infectious mononucleosis

MOPP mechlorethamine, oncovin,

procarbazine, prednisone (chemotherapy regimen)

MOTT mycobacterium other than

tuberculosis

MPD maximum permissible dose

MPV mean platelet volume

MRD minimum reacting dose

MRI magnetic resonance imaging

MRSA methicillin-resistant

Staphylococcus aureus

Ms mass spectrometry

mitral stenosis

multiple sclerosis

MSBOS maximum surgical blood order

schedule

MSH melanocyte-stimulating

hormone

MSN methylene silver nitrate

MSU midstream urine specimen

monosodium urate

MW molecular weight

N

N normality

NAD nicotinamide adenine

dinucleotide

no appreciable disease NADH nicotinamide adenine

dinucleotide, reduced form

NADP(H) nicotinamide adenine

dinucleotide phosphate, reduced form

NANA n-acetylneuraminic acid

NANB non-A, non-B hepatitis (now

hepatitis C)

NAPA n-acetyl procainamide

NBS no bacteria seen

NBT nitroblue tetrazolium

NCV nerve conduction velocity

ND nondetectable

NDAR no diagnostic abnormality

recognized

NE norepinephrine

NED no evidence of disease

NEG negative

NEM no evidence of malignancy

NHL non-Hodgkin's lymphoma

NICU neonatal intensive care unit

NIDDM non-insulin-dependent

diabetes mellitus

NK natural killer (cells)

NKA no known allergies

NMR nuclear magnetic resonance

NPO nothing by mouth (L. nihil per

Os)

NRBC nucleated red blood cell NS nephrotic syndrome

normal saline (0.9% NaCl)

NSE neuron-specific enolase

5'-NT 5'-nucleotidase

O

OB occult blood

0D optical density

outside diameter

outdate

overdose

OG obligatory gene (paternity

testing)

OGTT oral glucose tolerance test

17-OHCS 17-hydroxycorticosteroid OM obtuse marginal (coronary

artery)

otitis media

O&P ova and parasites

OPD outpatient department

OR operating room

ORO oil red O

OT occupational therapy

old tuberculin P

PA pernicious anemia

PABA para-aminobenzoic acid

(dermatology)

PAF platelet-aggregating factor

PAIg platelet-associated

immunoglobulin

PAP Papanicolaou smear

prostatic acid phosphatase

PAS periodic acid Schiff reaction

periodic acid-Schiff stain

PASA p-aminosalicylic acid

PBS peripheral blood smear

phosphate buffered saline

PCA passive cutaneous

anaphylaxis

PCH paroxysmal cold

hemoglobinuria

PCO sub 2 partial pressure of carbon

dioxide

PCP phencyclidine ("angel dust")

Pneumocystis carinii

pneumonia

PCV packed cell volume

polycythemia vera

PD peritoneal dialysis

PDW platelet distribution width

PE pleural effusion

PEG pneumoencephalography

PEMA phenylethylmalonamide

PG phosphatidyl glycerol

PGH pituitary growth hormone

plasma growth hormone

PGM phosphoglucomutase

pH hydrogen ion concentration

indicating alkaline acid level

PH past history

PHA passive hemagglutination

phytohemagglutinin

pi parainfluenza virus

paternity index

PICU pediatric intensive care unit

PID pelvic inflammatory disease

PIE pulmonary infiltration with

eosinophilia pK the pH at which equal

concentrations of the acid and base forms of a substance are present

PKU phenylketonuria

PLT platelet

platelet concentrate

PM post mortem

PM-1 polymyositis antibody

PMH past medical history

PML progressive multifocal

leukoencephalopathy

PMN polymorphonuclear neutrophil

PMS premenstrual syndrome

PNH paroxysmal nocturnal

hemoglobinuria

PNP platelet neutralization

procedure

pooled normal plasma

PO by mouth (L. per os)

PO sub 2 partial pressure of oxygen

POL physician's office laboratory

POS positive

PPCF plasmin prothrombins

conversion factor

PPD purified protein derivative

(tuberculosis test)

PPE partial plasma exchange

PPF pellagra-preventing factor

purified protein fraction

PPNG penicillinase-producing

Neisseria gonorrhoeae

PR progesterone receptor

PRAS prereduced, anaerobically

sterilized

PRBC packed red blood cells

PRC packed red cells

PRN as needed (L. pro re nata, "as

the event arises'")

PSA prostate-specif ic antigen

prostatic specific antigen

PSD peptone starch dextrose (agar)

PSP phenolsulfonphthalein

PT prothrombin time

PTC plasma thromboplastin

component

PTCA percutaneous transluminal

coronary angioplasty

PTF plasma thromboplastin factor

PTH parathyroid hormone

posttransfusion hepatitis

PTT partial thromboplastin time

PVD peripheral vascular disease

Pvp polyvinylpyrrolidone

Px prognosis

PZI protamine zinc insulin

Q

QA quality assurance

QC quality control

QD every day (L. quaque die)

QH every hour (L. quaque hora)

QID four times a day (L. quater in

die)

QL as much as desired (L.

quantum libet)

QNS quantity not sufficient (L.

quantum non satis) i

QS sufficient quantity (L. quantum'

satis)

QUATS quaternary ammonium

compounds

R

R right

RA rheumatoid arthritis

RAEB refractory anemia with

excessive bias

RAP rheumatoid arthritis precipitin

RAST radioallergosorbent test

reactive allergy screen test

RBC red blood cells

red blood count

RCA red cell agglutination

right coronary artery

RCF relative centrifugal force

RDS respiratory distress syndrome

RDW red cell distribution width

(standard deviation of reduce volume divided by mean corpuscular volume)

RE reticuloendothelial

REF renal erythropoietic factor

RES reticuloendothelial system

RETIC reticulocyte

RF rheumatic fever

rheumatoid factor

Rh rhesus factor

RHD rheumatic heart disease

RHIG Rh immune globulin

RIA radioimmunoassay

RID radial immunodiffusion

RISA radioactive iodinated serum

albumin

RNA ribonucleic acid

R/O ruleout

RPF renal plasma flow

RPHA reverse passive

hemagglutination

RPR rapid plasma reagin

RO respiratory quotient

RR recovery room

RSV respiratory syncytial virus

RVS relative value scale

Rx prescription

S

s without (L. sine)

S&A sugar and acetone

SBE subacute bacterial endocarditis

SBO small bowel obstruction

SBP spontaneous bacterial

peritonitis

systolic blood pressure

SBT standardized bleeding time

SCAT sheep cell agglutination test

SCC small cell carcinoma

squamous cell carcinoma

SCID severe combined

immunodeficiency disease

SD serologically defined (antigen)

standard deviation streptodornase

S-G Swan-Ganz catheter

SG specific gravity

SGOT serum glutamic oxaloacetic

transaminase; now aspartate aminotransferase (AST)

SGPT serum glutamic pyruvic

transaminase; now alanine aminotransferase (ALT)

SHBG sex hormone binding globulin

SI Sex hormone Internationale

d'Unites

SIADH syndrome of inappropriate

ADH secretion

SIDS sudden infant death syndrome

SIV simian immunodeficiency virus

SK streptokinase

SKSD streptokinase streptodornase

SLE St. Louis encephalitis virus

systemic lupus erythematosus

SMA simultaneous multiple analysis

smooth muscle antibody

SOM serous otitis media

SP suprapubic SPCA serum prothrombin conversion

accelerator (factor VII)

SPE serum protein electrophoresis

SPEP serum protein electrophoresis

sp gr specific gravity

SRBC sheep red blood cells

SRF skin-reactive factor

SRSA slow-reacting substance of

anaphylaxis

SSA salmonella-shigella agar

SS- A + B - Sjogren's syndrome

antibodies

STAT immediately (L. statim)

STD sexually transmitted disease

STH somatotropic (growth) hormone

STLV simian T-cell leukemia virus

STS serologic test for syphilis

standard test for syphilis T

T&A tonsillectomy/adenoidectomy

T sub 3 triiodothyronine

T sub 4 T sub 4 lymphocyte

thyroxine

TAH total abdominal hysterectomy

TAT tetanus antitoxin

toxin-antitoxin

turnaround time

TB tuberculosis

TBC tuberculosis complex

TBG thyroxine-binding globulin

TBS tri-buffered saline

T&C type and crossmatch

TCC transitional cell carcinoma

T cell thymic lymphoid cell (a

lymphocyte involved in cellular immunity)

TCT thrombin clotting time

TDA tryptophan deaminase agar

TDL thoracic duct lymphocytes

TDM therapeutic drug monitoring

TDT terminal deoxyribonucleotide

transferase

TdT terminal deoxynucleotidyl

transferase

TeBG testosterone-estradiol

binding globulin

T/F to follow

TGT thromboplastin generation time

THC delta-9

tetrahydrocannabinol (marijuana)

TIBC total iron-binding capacity

tid three times a day (L. ter in die)

TLC thin-layer chromatography

total lung capacity

TNTC too numerous to count

TORCH toxoplasma, others, rubella,

cytomegalovirus, herpes simplex (a complex of microbial agents that cause clinically similar manifestations, caged TORCH infections, in newborns)

TP total protein

TPA tissue plasminogen activator

TPN total parenteral nutrition

TPR temperature, pulse, respiration

TRH thyrotropin-releasing hormone

TRIG triglycerides

TRIS trishydroxymethyl

T&S type and screen

T/S thyroid/serum iodide ratio

TSF thrombopoietin-stimulating

factor

TSH thyroid-stimulating hormone

TSI thyroid-stimulating

immunoglubulin

triple sugar iron (agar)

TTP thrombotic thrombocytopenic

purpura U

UA uric acid

urinalysis UCG urinary chorionic gonadotropin

up universal precautions

U/P urine-plasma concentration

URI upper respiratory infection

UTI urinary tract infection

uv ultraviolet

V

VCA viral capsid antigen

VD venereal disease (outdated;

use STD)

VDRL Venereal Disease Research

Laboratory (test for syphilis)

VIP vasoactive intestinal

polypeptide

VLDL very-low-density lipoprotein

VMA vanillylmandelic acid

vs vital signs

vz varicella-zoster

VZIG varicelia-zoster immune

globulin

VZV varicella-zoster virus

W

WB whole blood

WBC white blood cell

white blood cell count

Wd wound

WEE Western equine encephalitis

WNL within normal limits

W/U workup

X

XM crossmatch

Z

ZIG zoster immune globulin

ZSR zeta sedimentation ratio
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Copyright 1989 Gale, Cengage Learning. All rights reserved.

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Author:Hallam, Kris
Publication:Medical Laboratory Observer
Article Type:glossary
Date:Sep 1, 1989
Words:3133
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