C64.9 Malignant neoplasm of unspecified kidney, except renal pelvis
Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.
Applies from C64 Malignant neoplasm of kidney, except renal pelvis
Excludes1 (never code together)
- malignant carcinoid tumor of the kidney (C7A.093)
- malignant neoplasm of renal calyces (C65.-)
- malignant neoplasm of renal pelvis (C65.-)
Risk adjustment (HCC)
- CMS-HCC V28: HCC 22 — Bladder, Colorectal, and Other Cancers
- CMS-HCC V22: HCC 11 — Colorectal, Bladder, and Other Cancers
- RxHCC V08: HCC 20 — Lung, Kidney, and Other Cancers; Secondary Cancer of Lymph Nodes and Other Sites
- ESRD V24: HCC 11
MS-DRG index
Defines the logic of DRG(s) 656-658 in MDC 11.
Approximate ICD-9-CM (GEMs)
189.0 Malignant neoplasm of kidney, except pelvis (approximate)
Nearby codes
C64 Malignant neoplasm of kidney, except renal pelvisC64.1 Malignant neoplasm of right kidney, except renal pelvisC64.2 Malignant neoplasm of left kidney, except renal pelvisC64.9 Malignant neoplasm of unspecified kidney, except renal pelvis (this code)