Does R41.2 require prior authorization?

No, R41.2 does not require prior authorization (high confidence). Code is covered without prior authorization.

`R41.2` — Retrograde amnesia

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Medical records must be maintained and available upon request, be legible, include complete patient identification and dates of service, and contain the legible signature of the physician or non‑physician practitioner responsible for care.
The submitted medical record must support the selected ICD‑10‑CM diagnosis code(s) and the CPT/HCPCS code billed must accurately describe the service performed.
When FDG PET is performed in the context of a CMS‑approved practical clinical trial using a specific protocol, the claim should be reported with modifier Q0.
When only the technical or professional component is performed, report the PET procedure with modifier TC (technical) or 26 (professional), respectively.

FDG PET (CPT 78608 / HCPCS A9552) is covered to differentiate Alzheimer's disease (AD) from frontotemporal dementia (FTD) in patients with a recent dementia diagnosis who have documented cognitive decline for at least 6 months and who meet diagnostic criteria for both AD and FTD.
FDG PET is covered for patients with mild cognitive impairment (MCI) or early dementia only when performed as part of a CMS‑approved practical clinical trial (coverage with evidence development).
FDG PET (CPT 78608) is covered for intractable seizures only when used as part of a pre‑surgical evaluation for seizure focus localization.
For tests that currently lack specific CPT codes (functional intracellular analysis and total antioxidant function), bill using CPT 84999 and add a note identifying which test was performed in the Remarks area for Part A claims and the Narrative area for Part B claims.
Coverage and reasonable/necessary determinations for assays for vitamins and metabolic function are governed by LCD L34914 and claims must meet that LCD's requirements to be covered.
Psychiatric/psychological services are covered when there is a reasonable expectation that withdrawing treatment would cause the patient's condition to deteriorate, relapse, or require hospitalization.

L34594 — Nerve Conduction Studies and Electromyography

J05

A57478 — Billing and Coding: Nerve Conduction Studies and Electromyography

J05

A56937 — Billing and Coding: Psychiatry and Psychology Services

J06

A57668 — Billing and Coding: Nerve Conduction Studies and Electromyography

J06

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