C38: Malignant neoplasm of heart, mediastinum and pleura
Codes under C38 (Malignant neoplasm of heart, mediastinum and pleura). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| C38.0 | Malignant neoplasm of heart | ✓ |
| C38.0 | Malignant neoplasm of heart | ✓ |
| C38.1 | Malignant neoplasm of anterior mediastinum | ✓ |
| C38.1 | Malignant neoplasm of anterior mediastinum | ✓ |
| C38.2 | Malignant neoplasm of posterior mediastinum | ✓ |
| C38.2 | Malignant neoplasm of posterior mediastinum | ✓ |
| C38.3 | Malignant neoplasm of mediastinum, part unspecified | ✓ |
| C38.3 | Malignant neoplasm of mediastinum, part unspecified | ✓ |
| C38.4 | Malignant neoplasm of pleura | ✓ |
| C38.4 | Malignant neoplasm of pleura | ✓ |
| C38.8 | Malignant neoplasm of overlapping sites of heart, mediastinum and pleura | ✓ |
| C38.8 | Malignant neoplasm of overlapping sites of heart, mediastinum and pleura | ✓ |
Frequently asked questions
What is ICD-10-CM code C38?
C38 is an ICD-10-CM category covering Malignant neoplasm of heart, mediastinum and pleura. It contains 12 more specific diagnosis codes, 12 of which are billable.
Is C38 a billable code?
No — C38 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example C38.0 — Malignant neoplasm of heart). 12 of the 12 codes under C38 are billable.
What codes fall under C38?
C38 includes C38.0, C38.0, C38.1, C38.1, C38.2, plus 7 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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