Billing and Coding: Allergen Immunotherapy

Coverage for allergen immunotherapy is permitted only when services meet the reasonable and necessary criteria of LCD L37800 and conform to CMS billing instructions. Detailed, legible documentation is required including provider signature, coding support, therapeutic expectations and concentrations, and, for home administration, evidence that benefits outweigh risks plus informed consent and validation of administrator training to manage anaphylaxis.

"Allergen immunotherapy is covered only when it meets the reasonable and necessary requirements specified in Local Coverage Determination L37800."

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