Does T78.089D require prior authorization?

No, T78.089D does not require prior authorization (high confidence). Code is covered without prior authorization.

`T78.089D` — Anaphylactic reaction due to eggs, unspecified, subsequent encounter

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Policy references and complements Local Coverage Determination L33417 for Allergy Skin Testing; full LCD and policy text required to determine specific documentation and billing rules.
This article provides billing/coding guidelines that complement Local Coverage Determination L34417 for CT of the head; consult LCD L34417 for specific coverage, coding, and documentation requirements.
The patient's medical record must contain documentation that fully supports medical necessity, including relevant medical history, physical examination, and results of pertinent diagnostic tests or procedures.
Each claim must be submitted with ICD-10-CM code(s) that reflect the patient's condition and indicate the reason(s) the service was performed; claims without ICD-10-CM codes will be returned.

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.
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.
Allergy testing for food sensitivity is covered when medically necessary and may require up to 40 percutaneous tests.
Multitest intracutaneous testing of up to 60 tests may be appropriate in lieu of prick-puncture testing for selected patients (for example, young children, older adults, or needle-phobic individuals).
Exceeding the stated testing parameters may be covered when preliminary testing failed and immunotherapy failed to control symptoms, provided documentation supports medical necessity.
An ECG is covered when the result is relevant to the management, diagnosis, or treatment of the patient.

A57473 — Billing and Coding: Allergy Testing

J05

L36402 — Allergy Testing

J05

L33591 — RAST Type Tests

J06

A56844 — Billing and Coding: RAST Type Tests

J06

L35049 — Monitored Anesthesia Care

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