Does T78.49XA require prior authorization?

No, T78.49XA does not require prior authorization (high confidence). Code is covered without prior authorization.

`T78.49XA` — Other allergy, initial encounter

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Maintain all documentation in the patient's medical record and make it available to the contractor upon request.
Every page of the medical record must be legible and include patient identification information (e.g., full name, dates of service).
The medical record must include the legible signature of the physician or non-physician practitioner responsible for and providing the care.
The submitted medical record must support the selected ICD-10-CM code(s) used for billing.

Allergen immunotherapy is covered only when it meets the reasonable and necessary requirements specified in Local Coverage Determination (LCD) L36240.
Allergy testing is covered when the medical record documents a history indicating the possible presence of allergy and the clinician selected a minimal number of tests/antigens based on patient-specific history and physician examination.
Allergy testing is covered when the medical record documents the test(s) used, the interpretation(s), and objective measurement of reaction size (wheal and erythema in mm) or a standardized in vivo grading system.
RAST type tests are covered when medically necessary and supported by the related Local Coverage Determination (LCD) and current medical literature or standards of practice.
CPT code 86003 (RAST type test) is covered when billed for diagnostic testing, subject to the stated annual frequency limit.
Allergy testing for inhalant allergens is covered when medically necessary; evaluation may include up to 90 prick-puncture tests followed by up to 40 intracutaneous tests if prick/puncture results are negative.

L36408 — Allergen Immunotherapy (AIT) with Subcutaneous Immunotherapy (SCIT)

J05

L36402 — Allergy Testing

J05

L40195 — Allergen Immunotherapy (AIT) with Subcutaneous Immunotherapy (SCIT)

J05

A57472 — Billing and Coding: Allergy Immunotherapy

J05

A57473

Ask Verity about documentation requirements, denial risks, or coverage in your state.