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Celiac Disease Antibody Panel

Test Code


CPT Code(s)

83516 (x3), 86255


Gliadin (Deamidated Peptide) Antibody Panel (IgG, IgA), Tissue Transglutaminase IgA Antibody, Reticulin IgA Screen with Reflex to Titer

If the Reticulin IgA Screen is positive, then Reticulin IgA Titer will be added at an additional charge (CPT: 86256).

Preferred Specimen(s)

2 mL serum

Minimum Volume

1 mL

Specimen Container

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days

Reject Criteria

Gross hemolysis • Grossly lipemic


Immunoassay (IA)

Performing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Setup Schedule

Set up: Mon-Fri a.m.; Report available: Next day

Reference Range(s)

Gliadin IgG and IgA Ab: < 11 U/mL: Negative
Tissue Transglutaminase IgA Ab: < 5 U/mL: Negative
Reticulin IgA Ab: < 1:10: Negative

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result NameLOINC CodeComponent Name
79732Gliadin(Deamidated) Ab,IgG20496-6Gliadin Ab.IgG
79742Gliadin(Deamidated) Ab,IgA20495-8Gliadin Ab.IgA
35142AtTG IgA Ab31017-7Tissue transglutaminase Ab.IgA
37520AReticulin IgA Screen14273-7Reticulin Ab.IgA
78002Reticulin IgA Titer17522-4Reticulin Ab.IgA

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.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* 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.