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Test Name

Celiac Disease Comprehensive Panel, Infant

CPT Code(s)

83516 (x2), 82784

Includes

Tissue Transglutaminase IgA with Reflexes, Gliadin (Deamidated) Antibody IgA, and Total IgA, Serum with Reflex

If the Tissue Transglutaminase IgA is positive, Endomysial Antibody Screen (IgA) will be performed at an additional charge (CPT code(s): 86255). If the Endomysial Antibody Screen (IgA) is positive, an Endomysial Antibody Titer will be performed at an additional charge (CPT code(s): 86256).
If the Total IgA is less than the lower limit of the reference range, based on age, then the Tissue Transglutaminase IgG will be performed at an additional charge (CPT code(s): 83516).

Methodology

See individual tests

Reference Range(s)

(tTG) Antibody, (IgA)

<4 U/mL No antibody detected
≥4 U/mL Antibody detected

Gliadin (Deamidated) Antibody (IgA)
<20 Units Antibody not detected
≥20 Units Antibody detected

IgA, Serum
Cord Blood 1-3 mg/dL
1 Month 2-43 mg/dL
2-5 Months 3-66 mg/dL
6-9 Months 7-66 mg/dL
10-12 Months   12-75 mg/dL
1-3 Years 24-121 mg/dL
4-6 Years 33-235 mg/dL
7-9 Years 41-368 mg/dL
10-11 Years 64-246 mg/dL
12-13 Years 70-432 mg/dL
14-15 Years 57-300 mg/dL
≥16 Years 81-463 mg/dL

Clinical Significance

This panel assists in differentiating celiac disease from other inflammatory bowel diseases and helps avoid progression of celiac disease, particularly in children, through early identification of gluten sensitivity.

Alternative Name(s)

Tissue Transglutaminase (tTG),Gluten Sensitivity, tTG, EMA,Gliadin Antibody

To view specimen requirements and codes please Select a regional laboratory.

Not sure which laboratory serves your office? Call us 866-MYQUEST (866-697-8378)

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided 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 payer being billed.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

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Celiac Disease Comprehensive Panel, Infant
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