D15: Benign neoplasm of other and unspecified intrathoracic organs
Codes under D15 (Benign neoplasm of other and unspecified intrathoracic organs). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| D15.0 | Benign neoplasm of thymus | ✓ |
| D15.0 | Benign neoplasm of thymus | ✓ |
| D15.1 | Benign neoplasm of heart | ✓ |
| D15.1 | Benign neoplasm of heart | ✓ |
| D15.2 | Benign neoplasm of mediastinum | ✓ |
| D15.2 | Benign neoplasm of mediastinum | ✓ |
| D15.7 | Benign neoplasm of other specified intrathoracic organs | ✓ |
| D15.7 | Benign neoplasm of other specified intrathoracic organs | ✓ |
| D15.9 | Benign neoplasm of intrathoracic organ, unspecified | ✓ |
| D15.9 | Benign neoplasm of intrathoracic organ, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code D15?
D15 is an ICD-10-CM category covering Benign neoplasm of other and unspecified intrathoracic organs. It contains 10 more specific diagnosis codes, 10 of which are billable.
Is D15 a billable code?
No — D15 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 D15.0 — Benign neoplasm of thymus). 10 of the 10 codes under D15 are billable.
What codes fall under D15?
D15 includes D15.0, D15.0, D15.1, D15.1, D15.2, plus 5 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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