C50.811 — Malignant neoplasm of overlapping sites of right female breast
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- 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).
Key Coverage Criteria
- Bill Cancer TYPE ID using CPT code 81540 (mRNA gene expression assay of 92 genes) for evaluation of tumors of unknown origin.
- MammaPrint® is indicated to analyze gene expression of FFPE breast cancer tissue to assess a patient's risk for distant metastasis (early-stage breast cancer).
- The test may be performed using either the FDA-cleared microarray assay or a next-generation sequencing (NGS)-based assay.
- PIK3CA targeted gene sequencing is indicated to detect PIK3CA mutations in patients with hormone receptor (HR)-positive, HER2-negative, advanced or metastatic breast cancer (postmenopausal women and men) who have progressed on or after an endocrine-based regimen when results will inform treatment with alpelisib (Piqray).
- Germline testing is covered when the patient has ovarian, breast, pancreatic, or prostate cancer and meets clinical indication for immediate treatment with an FDA‑approved PARP inhibitor.
- Testing for deleterious variants in homologous recombination repair (HRR) genes (e.g., BRCA1, BRCA2) is covered as an aid when results will be used to determine eligibility for PARP inhibitor therapy.
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