C78.89: Secondary malignant neoplasm of other digestive organs
C78.89 is a billable, specific ICD-10-CM code for secondary malignant neoplasm of other digestive organs. It is valid for submission on a claim.
Check C78.89 with the rest of the claim: free scrubberCode also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
- exocrine pancreatic insufficiency (K86.81)
Excludes1 inherited from the categories above C78.89
A category’s note binds every code beneath it.
Written on C78: Secondary malignant neoplasm of respiratory and digestive organs
- secondary carcinoid tumors of liver (C7B.02)
- secondary carcinoid tumors of peritoneum (C7B.04)
Excludes2 inherited from the categories above C78.89
Not part of this code, but both may be coded when both are present.
Risk adjustment
C78.89 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 17 Cancer Metastatic to Lung, Liver, Brain, and Other Organs; Acute Myeloid Leukemia Except Promyelocytic4.209 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
C78.89 is named in 38 Medicare coverage policies: 38 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
- A53101Billing and Coding: MolDX: bioTheranostics Cancer TYPE ID® Update
- A54188Billing and Coding: MolDX: bioTheranostics Cancer TYPE ID®
- A54386Billing and Coding: MolDX: bioTheranostics Cancer TYPE ID® Update
Code history
Unchanged in every release from FY2024 to FY2027.