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C26 Malignant neoplasm of other and ill-defined digestive organs

ICD-10-CM category C26 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 C26

CodeDescription
C26.0Malignant neoplasm of intestinal tract, part unspecified
C26.1Malignant neoplasm of spleen
C26.9Malignant neoplasm of ill-defined sites within the digestive system

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