C26
Header — not billableMalignant neoplasm of other and ill-defined digestive organs
The ICD-10 code for malignant neoplasm of other and ill-defined digestive organs is C26.
C26 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- malignant neoplasm of peritoneum and retroperitoneum (C48.-)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C15Malignant neoplasm of esophagusnon-billable header
- C16Malignant neoplasm of stomachnon-billable header
- C17Malignant neoplasm of small intestinenon-billable header
- C18Malignant neoplasm of colonnon-billable header
- C19Malignant neoplasm of rectosigmoid junction
- C20Malignant neoplasm of rectum
- C21Malignant neoplasm of anus and anal canalnon-billable header
- C22Malignant neoplasm of liver and intrahepatic bile ductsnon-billable header
- C23Malignant neoplasm of gallbladder
- C24Malignant neoplasm of other and unspecified parts of biliary tractnon-billable header
- C25Malignant neoplasm of pancreasnon-billable header
- C26Malignant neoplasm of other and ill-defined digestive organsnon-billable header