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C38 Malignant neoplasm of heart, mediastinum and pleura

ICD-10-CM category C38 sits in Chapter 2 (Neoplasms, C00-D49). It contains 6 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 C38

CodeDescription
C38.0Malignant neoplasm of heart
C38.1Malignant neoplasm of anterior mediastinum
C38.2Malignant neoplasm of posterior mediastinum
C38.3Malignant neoplasm of mediastinum, part unspecified
C38.4Malignant neoplasm of pleura
C38.8Malignant neoplasm of overlapping sites of heart, mediastinum and pleura

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