Celiac Disease Serology

Test Code

12786

CPT Codes
82784, 86231, 86258 (x2), 86364

Includes

11228 Gliadin (Deamidated) Antibody (IgA)
11212 Gliadin (Deamidated) Antibody (IgG)
8821 Tissue Transglutaminase (tTG) Antibody (IgA)
15064 Endomysial Antibody Screen (IgA), Reflex to Titer
539 Immunoglobulin A (IgA)

Preferred Specimen

4.5 mL serum collected in a red-top tube (no gel)

Minimum Volume

1.7 mL

Transport Container

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 21 days

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

Gross hemolysis • Grossly lipemic

Methodology
Indirect Immunofluorescence Assay • Immunoturbidimetric • Immunoassay (IA)

Setup Schedule

Set up: Mon-Fri; Report available: Next day

Reference Range

See individual tests

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

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.