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Tissue Transglutaminase IgA (IgA anti-tTG)

Order Name TISTRANGL
Test Number: 5537525
Revision Date 01/01/2022
Test Name Methodology LOINC Code
Tissue Transglutaminase IgA (IgA anti-tTG)
Chemiluminescence Assay 46128-5 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5 mL) Serum Clot Activator SST Frozen
Instructions Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection.
Stability: Room Temperature 8hrs, Refrigerated:  48hrs, Frozen:  30 days.  Transport Frozen
GENERAL INFORMATION
Testing Schedule Mon-Fri 
Expected TAT 1-3 Days  
Clinical Use An important marker in the diagnosis of Celiac disease and monitoring diet compliance. 
CPT Code(s) 86364
Lab Section Immunology - Serology