Does C79.31 require prior authorization?

No, C79.31 does not require prior authorization (high confidence). Code is covered without prior authorization.

`C79.31` — Secondary malignant neoplasm of brain

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

Use CPT code 81540 on the claim when billing for Cancer TYPE ID.
Enter '1' in the Days/Unit field on the claim for this test.
Submit the required test identifier information using SV101-7 or SV202-7 (SV202-7 preferred) or via the NTE field if needed.
Include the appropriate DEX Z-Code identifier adjacent to the CPT code in the claim comment/narrative field for Part B claims (Loop 2400 or SV101-7 for 5010A1 837P; Box 19 for paper claims).

Bill Cancer TYPE ID using CPT code 81540 (mRNA gene expression assay of 92 genes) for evaluation of tumors of unknown origin.
therascreen® KRAS test: detection of somatic KRAS mutations to identify colorectal cancer (CRC) patients for treatment with cetuximab (Erbitux®).
cobas® KRAS test: detection of KRAS mutations in codons 12 and 13 to identify colorectal cancer (CRC) patients for treatment with cetuximab (Erbitux®) or panitumumab (Vectibix®).
Proton beam therapy is covered when the service meets the medical necessity criteria specified in the related Local Coverage Determination (LCD) and those criteria are documented in the medical record.
Coverage is allowed for targeted genomic sequence analysis panels for treatment of solid organ neoplasms when the panel is a DNA analysis panel containing at least 5 gene tests for molecular biomarkers that meet Medicare coverage criteria.
Coverage is allowed when the genomic testing is expected to influence the treatment of the condition (i.e., documentation supports that test results will affect clinical management of the solid organ neoplasm).

L36807 — MolDX: Molecular Diagnostic Tests (MDT)

J05

A55162 — Billing and Coding: MolDX: FDA-Approved KRAS Tests

J05

L38678 — MolDX: Phenotypic Biomarker Detection from Circulating Tumor Cells

J05

L34594 — Nerve Conduction Studies and Electromyography

J05

L36797

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