C78Secondary malignant neoplasm of resp and digestive organs
ICD-10-CM category (non-billable header) code — part of Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
Coding Notes
Excludes1 (never code both together)
- secondary carcinoid tumors of liver (C7B.02)
- secondary carcinoid tumors of peritoneum (C7B.04)
Excludes2 (not part of this condition — may code both)
- lymph node metastases (C77.0)
Subcategories (9)
- C78.0 Secondary malignant neoplasm of lung
- C78.1 Secondary malignant neoplasm of mediastinum
- C78.2 Secondary malignant neoplasm of pleura
- C78.3 Secondary malignant neoplasm of and unsp respiratory organs
- C78.4 Secondary malignant neoplasm of small intestine
- C78.5 Secondary malignant neoplasm of large intestine and rectum
- C78.6 Secondary malignant neoplasm of retroperiton and peritoneum
- C78.7 Secondary malig neoplasm of liver and intrahepatic bile duct
- C78.8 Secondary malignant neoplasm of and unsp digestive organs