Malignant neoplasms of ill-defined, other secondary and unspecified sites

C76-C80

This section covers 77 ICD-10-CM codes (C76-C80) for malignant neoplasms of ill-defined, other secondary and unspecified sites, including malignant neoplasm of other and ill-defined sites, secondary and unspecified malignant neoplasm of lymph nodes, and secondary malignant neoplasm of respiratory and digestive organs. 59 of these are billable codes usable on a claim; the rest are non-billable header categories that require a more specific child code.