1. C65 Malignant neoplasm of renal pelvis

    1. C65.1 Malignant neoplasm of right renal pelvis

    2. C65.2 Malignant neoplasm of left renal pelvis

    3. C65.9 Malignant neoplasm of unspecified renal pelvis

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.