C65
ICD-10Non-billable categoryMalignant neoplasm of renal pelvis
Official ICD-10-CM descriptor (FY2026)
Malignant neoplasm of renal pelvis
C65 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Includes
- malignant neoplasm of pelviureteric junction
- malignant neoplasm of renal calyces
More specific codes under C65
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.