ICD-10-CM > C00-D49 > C76-C80 > C80 C80 Malignant neoplasm without specification of site Non-Billable/Non-Specific Type 1 Excludes malignant carcinoid tumor of unspecified site (C7A.00)malignant neoplasm of specified multiple sites- code to each site Codes C80.0Disseminated malignant neoplasm, unspecifiedC80.1Malignant (primary) neoplasm, unspecifiedC80.2Malignant neoplasm associated with transplanted organ