ICD-10-CM Diagnosis Code (2025)
Official Description for C45
Mesothelioma
Coding Notes & Guidelines for C45
Excludes1: Not Coded Here
other malignant neoplasm of pleura (C38.4)
Excludes1: Not Coded Here
other malignant neoplasm of soft tissue of peritoneum (C48.-)
Excludes1: Not Coded Here
other malignant neoplasm of pericardium (C38.0)
Inclusion Terms
- Mesothelioma of cul-de-sac
- Mesothelioma of mesentery
- Mesothelioma of mesocolon
- Mesothelioma of omentum
- Mesothelioma of peritoneum (parietal) (pelvic)
Child Codes (More Specific Codes for C45):
About ICD-10-CM Code C45 (Mesothelioma)
ICD-10-CM code C45 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C45 became effective on October 1, 2024.
This page provides detailed information about C45 - Mesothelioma. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Mesothelioma.