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- Ordering Info
To view specimen requirements and codes please select your laboratory:
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Celiac Disease Antibody Panel
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, test code 78002 (Reticulin IgA Titer) will be added at an additional charge (CPT: 86256).
2 mL serum
For specific specimen requirements and stabilities, please see individual tests.
Plastic, screw-cap vial
Refrigerated (cold packs)
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Enzyme Immunoassay • Indirect Immunofluorescence Assay
|Quest Diagnostics Nichols Institute|
|14225 Newbrook Drive|
|Chantilly, VA 20153|
Set up: Mon-Fri a.m.; Report available: Next day
Gliadin IgG and IgA Ab: < 11 U/mL: Negative
Tissue Transglutaminase IgA Ab: < 5 U/mL: Negative
Reticulin IgA Ab: < 1:10: Negative
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 Name||LOINC Code||Component Name|
|79732||Gliadin(Deamidated) Ab,IgG||20496-6||Gliadin Ab.IgG|
|79742||Gliadin(Deamidated) Ab,IgA||20495-8||Gliadin Ab.IgA|
|35142A||tTG IgA Ab||31017-7||Tissue transglutaminase Ab.IgA|
|37520A||Reticulin IgA Screen||14273-7||Reticulin Ab.IgA|
|78002||Reticulin IgA Titer||17522-4||Reticulin 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.