Test ID: CDGF
Celiac Disease Gluten-Free Cascade
List Fee
Provides the Mayo Medical Laboratories list fee for performing the test
$351.90
The following test(s) may be added per the testing algorithm:
$69.00 for #8157 Immunoglobulin A (IgA), Serum
$158.70 for #82587 Tissue Transglutaminase (tTG) Antibody, IgA, Serum
$158.70 for #83660 Tissue Transglutaminase (tTG) Antibody, IgG, Serum
$120.60 for #89029 Gliadin (Deamidated) Antibody, IgA, Serum
$120.60 for #89030 Gliadin (Deamidated) Antibody, IgG, Serum
Test Classification
Provides information regarding the medical device classification for laboratory test kits and reagents. Tests may be classified as cleared or approved by the US Food and Drug Administration (FDA) and used per manufacturer's instructions, or as products that do not undergo full FDA review and approval, and are then labeled as an Analyte Specific Reagent (ASR), Investigation Use Only (IUO) product, or a Research Use Only (RUO) product.
This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.
CPT Code Information
Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Medical Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.
86816-HLA-DQ typing
82784-IgA (if appropriate)
83516-Deaminated gliadin IgA (if appropriate)
83516-Deaminated gliadin IgG (if appropriate)
83516-tTG IgA (if appropriate)
83516-tTG IgG (if appropriate)


