Does D43.8 require prior authorization?

No, D43.8 does not require prior authorization (high confidence). Code is covered without prior authorization.

`D43.8` — Neoplasm of uncertain behavior of other specified parts of central nervous system

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

The supplier must enter a diagnosis code corresponding to the beneficiary's cancer diagnosis on each claim for oral antiemetic drugs.
A written, signed, and dated order must be received by the supplier before a claim is submitted for any oral antiemetic drug.
Claims for oral aprepitant (J8501), rolapitant (J8670) or netupitant/palonosetron (J8655) must also be accompanied by a diagnosis code indicating an encounter for antineoplastic chemotherapy.
Claims billed for code Q0181 must include drug name, manufacturer, dosage strength dispensed, each tablet/suppository/etc, and frequency of administration during the covered time period entered in the narrative field of an electronic claim.

An oral antiemetic drug is covered when it has been ordered by the treating practitioner as part of a cancer chemotherapy regimen.
An oral antiemetic drug is covered when the drug is FDA‑approved for use as an antiemetic.
An oral antiemetic drug is covered when it is used as a full therapeutic replacement for an intravenous antiemetic that would otherwise have been administered at the time of the chemotherapy treatment.
An oral antiemetic drug is covered when it is initiated within two hours of administration of the chemotherapeutic agent and continued no more than 48 hours from that time.
A 3‑drug regimen (NK‑1 antagonist + 5HT3 antagonist + dexamethasone) is covered when all four coverage criteria are met and all three drugs are given in combination.
Netupitant/palonosetron (fixed combination) is covered when given in conjunction with dexamethasone without requiring a separate 5HT3 antagonist, provided the general coverage criteria are met.

L34615 — Visual Fields

J05

L34623 — Intraoperative Neurophysiological Testing

J05

A57604 — Billing and Coding: Intraoperative Neurophysiological Testing

J05

L34624 — Somatosensory Testing

J05

A57483 — Billing and Coding: Visual Fields

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