Test Algorithms
Celiac Disease Comprehensive Cascade
| CDCOM/89201 Celiac Disease Comprehensive Cascade
Testing begins with • Immunoglobulin A (IgA), Serum and • Celiac-associated HLA-DQ Typing |
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| Normal IgA (within age-matched reference values) |  |
| Low IgA (≥1.0 mg/dL but below the age-matched reference values) | |
| Deficient IgA (<1.0 mg/dL) | |