C45.9
BillableMesothelioma, unspecified
C45.9 is the ICD-10-CM code for Mesothelioma, unspecified. It is a billable, specific code valid for reimbursement.
C00-D49 Neoplasms
What this means — in plain language
MedlinePlus · NIHThe tissue that lines your lungs, stomach, heart, and other organs is called mesothelium. Mesothelioma, also known as malignant mesothelioma, is cancer of that tissue. It usually starts in the lungs, but can also start in the abdomen or other organs. Malignant mesothelioma is rare but serious. Most people who get it have worked or lived in places where they inhaled or swallowed asbestos particles. After being…
Read more about Mesothelioma at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Medications indicated for this condition
FDA labeling- PemetrexedFolate Analog Metabolic Inhibitor [EPC]›
- IpilimumabCTLA-4-directed Blocking Antibody [EPC]›
- PembrolizumabProgrammed Death Receptor-1 Blocking Antibody [EPC]›
- Pembrolizumab and Berahyaluronidase Alfa-pmphEndoglycosidase [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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