Celiac Disease Panel without Gliadin

Test Code

LAB5210455

Quest 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 Temperature

Refrigerated (cold packs)

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

Setup Schedule

P.M. Sets up 5 days a week.

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

1-3 mg/dL

1-28 days

2-40 mg/dL

1-3 months

3-40 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
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130

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.