ICD-10/C65

C65 ICD 2026 Code: Malignant neoplasm of renal pelvis

C65 is the authoritative medical code for Malignant neoplasm of renal pelvis. This classification is used in medical billing and clinical recording to specify the clinical criteria for malignant neoplasm of renal pelvis (ICD-10-CM C65), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Malignant neoplasm of renal pelvis is a non-billable ICD-10-CM category code C65. A more specific billable subcode must be selected for claims submission. Includes: malignant neoplasm of pelviureteric junction; malignant neoplasm of renal calyces.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for C65 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • malignant neoplasm of pelviureteric junction
  • malignant neoplasm of renal calyces

Frequently Asked Questions (FAQ) & Clinical Guidance

Can C65 be billed directly?

No. C65 (Malignant neoplasm of renal pelvis) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to C65 in its code family, with their registry titles.

  • C65.1 — Malignant neoplasm of right renal pelvis
  • C65.2 — Malignant neoplasm of left renal pelvis
  • C65.9 — Malignant neoplasm of unspecified renal pelvis