ICD-10-CM · Chapter 2
C45..1 Mesothelioma of peritoneum
Includes
- Mesothelioma of cul-de-sac
- Mesothelioma of mesentery
- Mesothelioma of mesocolon
- Mesothelioma of omentum
- Mesothelioma of peritoneum (parietal) (pelvic)
Excludes 1 (cannot be coded together)
- other malignant neoplasm of soft tissue of peritoneum (C48.-)
Last reviewed: September 2026