Celiac Disease Panel without Gliadin

Test Code

17612

CPT Codes
82784, 86364

Includes

Tissue Transglutaminase (tTG) Antibody (IgA)
IgA (Immunoglobulin A)

Preferred Specimen

2 mL serum

Minimum Volume

1 mL

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 30 days

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

Gross hemolysis • Grossly lipemic

Methodology
Immunoassay (IA) • Immunoturbidimetric

Reference Range

Tissue Transglutaminase (tTG) Antibody (IgA)

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

IgA (Immunoglobulin A)

Cord Blood	Not Established
≤3 months	5-40 mg/dL
4-6 months	7-47 mg/dL
7-11 months	12-53 mg/dL
1 year	20-73 mg/dL
2 years	20-99 mg/dL
3-5 years	22-140 mg/dL
6-8 years	31-180 mg/dL
9-11 years	33-200 mg/dL
12-16 years	36-220 mg/dL
17-60 years	47-310 mg/dL
≥61 years	70-320 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.

Performing Laboratory

Quest Diagnostics Nichols Institute-San Juan Capistrano, CA

33608 Ortega Highway

San Juan Capistrano, CA 92675-2042

Last Updated: November 6, 2024

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.