Celiac Disease Serology Cascade

Test ID: ZG922

CPT code: 82784
LOINC:
Specimen Type: Red or Gel clot
Frequency: Setup: Mon-Fri; Analytic time 7 days
Instructions: 5.0mL serum from red or SST tube, refrigerate. Min 3.0mL.
Text: If IgA is normal, tissue transglutaminase IgA will be reflexed. If IgA
is equivocal, endomysial antibodies IgA and deaminated gliadin antibody IgA will be reflexed. If IgA is >1.1 mg/dL but < normal, tTG IgA, tTG IgG, gliadin IgA and gliadin IgG will be reflexed. If IgA is <1.0 mg/dL, tTG IgG and gliadin IgG will be reflexed. Reflex fees will be charged.
Components: Z5450 Immunoglobulin A; Z5451 Celiac Disease Interpretation
Methodology: Nephelometry, Enzyme-Linked Immunosorbent Assay (ELISA), Indirect
Immunofluorescence Assay (IFA)

Test Name


AMS Laboratory

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