ICD-10-CM > C00-D49 > C64-C68 > C64 C64 Malignant neoplasm of kidney, except renal pelvis Non-Billable/Non-Specific Type 1 Excludes malignant carcinoid tumor of the kidney (C7A.093)malignant neoplasm of renal calyces (C65.-)malignant neoplasm of renal pelvis (C65.-) Codes C64.1Malignant neoplasm of right kidney, except renal pelvisC64.2Malignant neoplasm of left kidney, except renal pelvisC64.9Malignant neoplasm of unspecified kidney, except renal pelvis