Does T78.19XA require prior authorization?

No, T78.19XA does not require prior authorization (high confidence). Covered without prior authorization.

`T78.19XA`, Other adverse food reactions, not elsewhere classified, initial encounter

ICD-10-CM

No Prior Auth Required

Covered without prior authorization (high confidence)

All documentation must be maintained in the patient's medical record and made available to the contractor upon request; every page must be legible and include appropriate patient identification (e.g., complete 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 medical record must support the selected ICD-10-CM code(s) and the submitted CPT/HCPCS code must accurately describe the service performed.

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.
Allergy testing is covered when the medical record contains documented history obtained prior to testing that indicates the possible presence of allergy.
Allergy testing is covered when the history and examination show that attempts were made to narrow the area of investigation so that the minimal number of necessary skin tests will be performed.
Allergy testing is covered when the selection of antigens for testing is explicitly based on the patient-specific history and physician or non-physician practitioner examination.
Percutaneous prick/puncture (scratch, puncture, prick) skin testing is medically reasonable and necessary for evaluation of IgE-mediated hypersensitivity to inhalants, foods, Hymenoptera (stinging insects), chemicals, and specific drugs (e.g., penicillins, macromolecular agents).

FIRST_COAST-L33261, Allergy Testing

A57531, Billing and Coding: Allergy Testing

NOVITAS-JH-L36241, Allergy Testing

NOVITAS-JH-L35434, Oximetry Services

NOVITAS-JL-L35434, Oximetry Services

A56558, Billing and Coding: Allergy Testing

A57205, Billing and Coding: Oximetry Services

NOVITAS-JL-L36241, Allergy Testing