Category

SEROLOGY/ IMMUNOLOGY

Sub Category

AUTOIMMUNE.

Synonyms/Aliases

TRANSGLUTAMINASE IgA.

Abbreviations

tTG, IgA.

Type

INDIVIDUAL TEST

7 DAYS

7 WORKING DAYS.

Method

IMMUNOASSAY.

Temp

REFRIGERATED.

Setup

BATCHED.

Components Parameters

N/A.

PRE-ANALYTIC CONSIDERATIONS

Test Ordering Instructions

FILL OUT TEST REQUEST FORM FULLY & LEGIBLY.

Patient preparation

N/A.

Sample type

SERUM.

Container/ preservative

SERUM SEPARATOR TUBE (SST/ GEL) OR PLAIN (RED TOP) VACUTAINER.

Sample volume

AT LEAST 2ML.

Rejection criteria

LABELING ISSUE (UNLABELED/ MISLABELED); MISSING REQUEST FORM; MISMATCH BETWEEN REQUEST FORM & SAMPLE DETAILS; MISSING AGE/ GENDER; WRONG SAMPLE TYPE; INSUFFICIENT SAMPLE.

Other Instructions

CENTRIFUGE SST (SERUM GEL TUBES) WITHIN 1-2 HOURS OF COLLECTION. CENTRIFUGE RED TOP VACUTAINERS AND ALIQUOT SERUM WITHIN 1-2 HOURS OF COLLECTION. THE SEPARATION VIAL MUST BE LABELED WITH AT LEAST 2 PATIENT IDENTIFIERS AND THE SAMPLE TYPE.

Reference intervals

INTERPRETIVE DATA IS PROVIDED ON THE REPORT.

Clinical Utility

DIAGNOSIS OF CELIAC DISEASE (COELIAC DISEASE)/ GLUTEN SENSITIVE ENTEROPATHY. SCREENING FOR DERMATITIS HERPETIFORMIS.

Test Limitations/ Confounders

FALSE NEGATIVE RESULTS MAY OCCUR IN IgA DEFICIENCY.