ICD-10-CM>C00-D49>D10-D36>D15D15Benign neoplasm of other and unspecified intrathoracic organsNon-Billable/Non-SpecificType 1 Excludesbenign neoplasm of mesothelial tissue (D19.-)CodesD15.0Benign neoplasm of thymusD15.1Benign neoplasm of heartD15.2Benign neoplasm of mediastinumD15.7Benign neoplasm of other specified intrathoracic organsD15.9Benign neoplasm of intrathoracic organ, unspecified