C78

C78: Secondary malignant neoplasm of respiratory and digestive organs

Non-billable headerICD-10-CM

C78 is a non-billable header ICD-10-CM code for secondary malignant neoplasm of respiratory and digestive organs. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

secondary carcinoid tumors of liver (C7B.02)
secondary carcinoid tumors of peritoneum (C7B.04)

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

lymph node metastases (C77.0)

Other codes that can never be billed with C78

Their own Excludes1 notes name this code, so the conflict is not listed above.

C22Malignant neoplasm of liver and intrahepatic bile ducts

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead C78

9 child codes. Green means billable.