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C78 Secondary malignant neoplasm of resp and digestive organs

ICD-10-CM category C78 sits in Chapter 2 (Neoplasms, C00-D49). It contains 15 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.

Subcategories

C78.0 Secondary malignant neoplasm of lungC78.3 Secondary malignant neoplasm of and unsp respiratory organsC78.8 Secondary malignant neoplasm of and unsp digestive organs

Billable codes in C78

CodeDescription
C78.00Secondary malignant neoplasm of unspecified lung
C78.01Secondary malignant neoplasm of right lung
C78.02Secondary malignant neoplasm of left lung
C78.1Secondary malignant neoplasm of mediastinum
C78.2Secondary malignant neoplasm of pleura
C78.30Secondary malignant neoplasm of unspecified respiratory organ
C78.31Secondary malignant neoplasm of larynx
C78.32Secondary malignant neoplasm of pharynx
C78.39Secondary malignant neoplasm of other respiratory organs
C78.4Secondary malignant neoplasm of small intestine
C78.5Secondary malignant neoplasm of large intestine and rectum
C78.6Secondary malignant neoplasm of retroperitoneum and peritoneum
C78.7Secondary malignant neoplasm of liver and intrahepatic bile duct
C78.80Secondary malignant neoplasm of unspecified digestive organ
C78.89Secondary malignant neoplasm of other digestive organs

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