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Celiac Disease Ab Screen w/Rfx

Message
Weak positive tTG IgA will reflex to endomysial IgA. If reflex test is performed, additional charges/CPT code(S) may apply.


Test Code
165118


Alias/See Also
Deamidated Gliadin Antibodies (DGP); Tissue Transglutaminase (tTG) Antibodies; Total IgA


CPT Codes
83516x002

Preferred Specimen
Serum


Minimum Volume
1mL


Transport Container
Red-top tube or gel-barrier tube


Transport Temperature
Ship at room temperature, store refrigerated for up to 48 hours and then freeze at -20(Degrees)C for longer storage


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis; lipemia; gross bacterial contamination


Methodology
Enzyme immunoassay (EIA); indirect immunofluorescence



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.