C45.1
BillableMesothelioma of peritoneum
C45.1 is the ICD-10-CM code for Mesothelioma of peritoneum. It is a billable, specific code valid for reimbursement.
C00-D49 Neoplasms
Includes
- •Mesothelioma of cul-de-sac
- •Mesothelioma of mesentery
- •Mesothelioma of mesocolon
- •Mesothelioma of omentum
- •Mesothelioma of peritoneum (parietal) (pelvic)
Excludes1 — not coded here
- •other malignant neoplasm of soft tissue of peritoneum (C48.-)
Frequently asked questions
- What is ICD-10 code C45.1?
- C45.1 is the ICD-10-CM code for "Mesothelioma of peritoneum". It falls under C00-D49 Neoplasms.
- Is C45.1 a billable code?
- Yes — C45.1 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from C45.1?
- Excludes1 (not coded here): other malignant neoplasm of soft tissue of peritoneum (C48.-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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