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C80 Malignant neoplasm without specification of site

ICD-10-CM category C80 sits in Chapter 2 (Neoplasms, C00-D49). It contains 3 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Billable codes in C80

CodeDescription
C80.0Disseminated malignant neoplasm, unspecified
C80.1Malignant (primary) neoplasm, unspecified
C80.2Malignant neoplasm associated with transplanted organ

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