ICD-10-CM · Chapter 2 · C00-D49
C78 Secondary malignant neoplasm of respiratory and digestive organs
Excludes 1 (cannot be coded together)
- secondary carcinoid tumors of liver (C7B.02)
- secondary carcinoid tumors of peritoneum (C7B.04)
Excludes 2 (not included here)
- lymph node metastases (C77.0)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| C78..0 | Secondary malignant neoplasm of lung | No |
| C78..00 | Secondary malignant neoplasm of unspecified lung | Yes |
| C78..01 | Secondary malignant neoplasm of right lung | Yes |
| C78..02 | Secondary malignant neoplasm of left lung | Yes |
| C78..1 | Secondary malignant neoplasm of mediastinum | Yes |
| C78..2 | Secondary malignant neoplasm of pleura | Yes |
| C78..3 | Secondary malignant neoplasm of other and unspecified respiratory organs | No |
| C78..30 | Secondary malignant neoplasm of unspecified respiratory organ | Yes |
| C78..31 | Secondary malignant neoplasm of larynx | Yes |
| C78..32 | Secondary malignant neoplasm of pharynx | Yes |
| C78..39 | Secondary malignant neoplasm of other respiratory organs | Yes |
| C78..4 | Secondary malignant neoplasm of small intestine | Yes |
| C78..5 | Secondary malignant neoplasm of large intestine and rectum | Yes |
| C78..6 | Secondary malignant neoplasm of retroperitoneum and peritoneum | Yes |
| C78..7 | Secondary malignant neoplasm of liver and intrahepatic bile duct | Yes |
| C78..8 | Secondary malignant neoplasm of other and unspecified digestive organs | No |
| C78..80 | Secondary malignant neoplasm of unspecified digestive organ | Yes |
| C78..89 | Secondary malignant neoplasm of other digestive organs | Yes |
Last reviewed: September 2026