C65: Malignant neoplasm of renal pelvis
Codes under C65 (Malignant neoplasm of renal pelvis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| C65.1 | Malignant neoplasm of right renal pelvis | ✓ |
| C65.1 | Malignant neoplasm of right renal pelvis | ✓ |
| C65.2 | Malignant neoplasm of left renal pelvis | ✓ |
| C65.2 | Malignant neoplasm of left renal pelvis | ✓ |
| C65.9 | Malignant neoplasm of unspecified renal pelvis | ✓ |
| C65.9 | Malignant neoplasm of unspecified renal pelvis | ✓ |
Frequently asked questions
What is ICD-10-CM code C65?
C65 is an ICD-10-CM category covering Malignant neoplasm of renal pelvis. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is C65 a billable code?
No — C65 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example C65.1 — Malignant neoplasm of right renal pelvis). 6 of the 6 codes under C65 are billable.
What codes fall under C65?
C65 includes C65.1, C65.1, C65.2, C65.2, C65.9, plus 1 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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