TISSUE TRANSGLUTAMINASE ANTIBODY, IgA

Specimen Required
Draw blood in a SST. Centrifuge, separate and send 1.0 mL serum (0.5 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Grossly hemolyzed or lipemic specimens

Methodology
Enzyme-Linked Immunoassay

Stability
Room Temperature: 8 hours; Refrigerated: 7 days; Frozen: 14 days

Reference Range
Negative   <20 Units  
Weak Positive   20-30 Units  
Moderate to Strong Positive   >30 Units  

Performed
Monday-Friday

Turnaround Time3 days
Test CodeTTGA
CPT-4 Code (s)
83516
LOINC Codes
31017-7

Warde
Medical
Laboratory