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Test Code LAB6836 Tissue Transglutaminase IgG Antibody

Aliases

TTG IgG
TTGG

Performing Section

Chemistry

Specimen Type

Serum:
Gold Top Tube-SST (Preferred)
Red Top Tube-Plain

Specimen Volume

Preferred: 1.5 mL
Minimum: 0.9 mL (0.2 mL serum)

Processing Instructions

Allow sample to clot in upright position for 30 minutes.

CENTRIFUGE sample per procedure.
Store and send sample refrigerated via courier.

TAT

4 Days

CPT

86364

Special Collection Notes

Collect specimen according to standard operating procedure.

Method

Chemiluminescent immunoassay

Purpose/Principle

The semi-quantitative detection of IgG anti-human tissue transglutaminase (htTG) antibodies in human serum. The presence of IgG anti-h-tTG antibodies, in conjunction with clinical findings and other laboratory tests, can aid in the diagnosis of the gluten sensitive enteropathy celiac disease, particularly in patients with selective IgA deficiency.

Temperature

Refrigerated

Sample Stability

Ambient: 8 hours
Refrigerated: 8-48 hours
Frozen: 48 hours

Test/Batch Schedule

Mon, Wed, Fri

Test Components

TTG IgG Index Value
TTG IgG Antibody

Reference Range

TTG IgG Index Value
<20.0 S/CO

TTG IgG Antibody
Negative