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C00 Malignant neoplasm of lip

ICD-10-CM category C00 sits in Chapter 2 (Neoplasms, C00-D49). It contains 9 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 C00

CodeDescription
C00.0Malignant neoplasm of external upper lip
C00.1Malignant neoplasm of external lower lip
C00.2Malignant neoplasm of external lip, unspecified
C00.3Malignant neoplasm of upper lip, inner aspect
C00.4Malignant neoplasm of lower lip, inner aspect
C00.5Malignant neoplasm of lip, unspecified, inner aspect
C00.6Malignant neoplasm of commissure of lip, unspecified
C00.8Malignant neoplasm of overlapping sites of lip
C00.9Malignant neoplasm of lip, unspecified

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