Does T43.015A require prior authorization?

No, T43.015A does not require prior authorization (high confidence). Code is covered without prior authorization.

`T43.015A` — Adverse effect of tricyclic antidepressants, initial encounter

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

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.
Medical necessity for each test must be documented in the patient's medical record as required by LCD L35006.
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 patient identification and dates of service.
Documentation must include the legible signature of the physician or non-physician practitioner responsible for and providing the care to the patient.

Urine drug testing (UDT) and drugs-of-abuse testing are covered when reasonable and necessary per LCD L35006 and ordered on an individual patient basis by the treating clinician with medical-record documentation of medical necessity.
Patients with a documented diagnosis consistent with substance use disorder (SUD) may qualify for an exception to the standard presumptive UDT annual limits.
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.
Allergy testing for food sensitivity is covered when medically necessary and may require up to 40 percutaneous tests.

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

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A57473 — Billing and Coding: Allergy Testing

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

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L36402 — Allergy Testing

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A57472

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