ICD-10-CM > C00-D49 > D10-D36 > D19 D19 Benign neoplasm of mesothelial tissue Non-Billable/Non-Specific Codes D19.0Benign neoplasm of mesothelial tissue of pleuraD19.1Benign neoplasm of mesothelial tissue of peritoneumD19.7Benign neoplasm of mesothelial tissue of other sitesD19.9Benign neoplasm of mesothelial tissue, unspecified