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	✓
D15.1	Benign neoplasm of heart	✓
D15.2	Benign neoplasm of mediastinum	✓
D15.7	Benign neoplasm of other specified intrathoracic organs	✓
D15.9	Benign neoplasm of intrathoracic organ, unspecified	✓

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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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