RAST Type Tests

RAST, FAST, multiple antigen simultaneous tests, and ELISA for specific IgE are covered when a complete history and physical exam demonstrate clinical necessity for evaluation of IgE-mediated allergy to specified allergens. Tests that are non-specific or measure IgG (including ELISA/Act qualitative antibody testing, LMRA by ELISA/Act, qualitative multi-allergen screens, and IgG/IgG-subclass food antibody tests) are considered not medically necessary and will be denied.

"RAST, FAST, and multiple antigen simultaneous in vitro tests for detection of specific IgE are covered when clinical necessity is established by a complete history and physical exam indicating susp..."

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