D19.1 Benign neoplasm of mesothelial tissue of peritoneum

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 211.8 Benign neoplasm of retroperitoneum and peritoneum (approximate)

Code annotations containing back-references to D19.1

Back-references to D19

• Type 1 Excludes: D15 Benign neoplasm of other and unspecified intrathoracic organs ("benign neoplasm of mesothelial tissue (D19.-)")
• Type 1 Excludes: D20 Benign neoplasm of soft tissue of retroperitoneum and peritoneum ("benign neoplasm of mesothelial tissue (D19.-)")

Diagnosis Index entries for D19.1

• Mesothelioma (malignant) › benign › mesentery
• Mesothelioma (malignant) › benign › mesocolon
• Mesothelioma (malignant) › benign › omentum
• Mesothelioma (malignant) › benign › peritoneum
• Mesothelioma (malignant) › biphasic › benign › mesentery
• Mesothelioma (malignant) › biphasic › benign › mesocolon
• Mesothelioma (malignant) › biphasic › benign › omentum
• Mesothelioma (malignant) › biphasic › benign › peritoneum
• Mesothelioma (malignant) › epithelioid › benign › mesentery
• Mesothelioma (malignant) › epithelioid › benign › mesocolon
• Mesothelioma (malignant) › epithelioid › benign › omentum
• Mesothelioma (malignant) › epithelioid › benign › peritoneum
• Mesothelioma (malignant) › fibrous › benign › mesentery
• Mesothelioma (malignant) › fibrous › benign › mesocolon
• Mesothelioma (malignant) › fibrous › benign › omentum
• Mesothelioma (malignant) › fibrous › benign › peritoneum

Nearby codes

• D19 Benign neoplasm of mesothelial tissue
• D19.0 Benign neoplasm of mesothelial tissue of pleura
• D19.1 Benign neoplasm of mesothelial tissue of peritoneum (this code)
• D19.7 Benign neoplasm of mesothelial tissue of other sites
• D19.9 Benign neoplasm of mesothelial tissue, unspecified