C78.89
Billable codeSecondary malignant neoplasm of other digestive organs
The ICD-10 code for secondary malignant neoplasm of other digestive organs is C78.89.
Clinical notes
Code also
Two codes may be needed to fully describe a condition, but unlike Code First/Use Additional Code, the sequencing order is not mandated by convention.
- exocrine pancreatic insufficiency (K86.81)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C78.80Secondary malignant neoplasm of unspecified digestive organ
- C78.89Secondary malignant neoplasm of other digestive organs
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 1978Approximate match
Associated MS-DRGs
C78.89 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.