TRANSGLUTAMINASE IGG ANTIBODY

Test Code

LAB1628

Quest Code

11070

CPT Codes
86364

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly lipemic

Methodology
Immunoassay (IA)

Setup Schedule

Tues-sat

Report Available

3-5 days

Reference Range

<15.0 U/mL	Antibody not detected
≥15.0 U/mL	Antibody detected

Clinical Significance

Tissue Transglutaminase Antibody, IgG, is useful in diagnosing gluten-sensitive enteropathies, such as Celiac Sprue Disease, and an associated skin condition, dermatitis herpetiformis in patients who are IgA-deficient.

Performing Laboratory

Quest Diagnostics - Great Lakes Region

Last Updated: November 3, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.