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Test Code 6634 Tissue Transglutaminase (tTG), IgA, Autoantibody, Serum

Performing Laboratory

Barnes-Jewish Hospital Laboratory


Multiplex Flow Immunoassay

Literature Reference:

Package insert: BioPlex 2200 Celiac IgA kit. BioRad Laboratories, Inc. 10/2013

Specimen Requirements

Specimen Type: Serum

Container/Tube: Plain red top

Specimen Volume: Full tube


Day(s) Test Set Up

Monday through Sunday

Cut-off time: 1000

Turnaround Time:
STAT: not available

Routine: results available the day of testing

Reference Values

Negative: <15 U/mL
Positive: >15 U/mL
Literature References:

Package Insert: BioPlex 2200 Celiac IgA kit. BioRad Laboratories, Inc. 10/2013

Test Classification and CPT Coding


Additional Information

For BJH Laboratory Use Only

Analyte Stability:

See Analyte Stability Chart

Laboratory Processing Instructions:
Test performed in BJH Core Lab. Processed by automated line and aliquot stored refrigerated for batch analysis.  Completed specimens are stored refrigerated for 5 days.

Specimen Transport Temperature


LOINC Code Information

Name LOINC Code
Tissue Transglutaminase (tTG) Ab, IgA 32998-7