D15.0 Benign neoplasm of thymus

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

• benign carcinoid tumor of the thymus (D3A.091)

Applies from D15 Benign neoplasm of other and unspecified intrathoracic organs

Excludes1 (never code together)

• benign neoplasm of mesothelial tissue (D19.-)

MS-DRG index

Defines the logic of DRG(s) 814-816 in MDC 16.

Approximate ICD-9-CM (GEMs)

• 212.6 Benign neoplasm of thymus

Code annotations containing back-references to D15.0

Back-references to D15.0

• Type 1 Excludes: D21.3 Benign neoplasm of connective and other soft tissue of thorax ("benign neoplasm of thymus (D15.0)")
• Type 1 Excludes: D35 Benign neoplasm of other and unspecified endocrine glands ("benign neoplasm of thymus (D15.0)")
• Type 1 Excludes: E32.8 Other diseases of thymus ("thymoma (D15.0)")

Diagnosis Index entries for D15.0

• Thymoma › microscopic

Nearby codes

• D15 Benign neoplasm of other and unspecified intrathoracic organs
• D15.0 Benign neoplasm of thymus (this code)
• 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