ICD-10-CM > C00-D49 > C76-C80 > C79 > C79.0 C79.0 Secondary malignant neoplasm of kidney and renal pelvis Non-Billable/Non-Specific Codes C79.00Secondary malignant neoplasm of unspecified kidney and renal pelvisC79.01Secondary malignant neoplasm of right kidney and renal pelvisC79.02Secondary malignant neoplasm of left kidney and renal pelvis