C80Malignant neoplasm without specification of site
ICD-10-CM category (non-billable header) code — part of Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
Coding Notes
Excludes1 (never code both together)
- malignant carcinoid tumor of unspecified site (C7A.00)
- malignant neoplasm of specified multiple sites- code to each site
Subcategories (3)
- C80.0 Disseminated malignant neoplasm, unspecified
- C80.1 Malignant (primary) neoplasm, unspecified
- C80.2 Malignant neoplasm associated with transplanted organ