C45

Non-billable

Mesothelioma

C45 is the ICD-10-CM code for Mesothelioma. It is a non-billable category code — use a more specific child code such as C45.0 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Subcodes
5
Edition
FY2026

C00-D49 Neoplasms

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code C45?
C45 is the ICD-10-CM code for "Mesothelioma". It falls under C00-D49 Neoplasms.
Is C45 a billable code?
No — C45 is a non-billable header code. Use a more specific child code (such as C45.0) for billing.
What are the subcodes of C45?
C45 has 5 more specific child codes, including C45.0, C45.1, C45.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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