ICDwise
C45 ⚠ Non-billable

Mesothelioma

ICD-10-CM · FY2026 · Neoplasms

Code
C45
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code C45?
ICD-10-CM code C45 represents Mesothelioma. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C45 billable?
No. C45 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is C45 in?
C45 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.

Related codes in the C45 category

C45.0 Mesothelioma of pleura Billable C45.1 Mesothelioma of peritoneum Billable C45.2 Mesothelioma of pericardium Billable C45.7 Mesothelioma of other sites Billable C45.9 Mesothelioma, unspecified Billable

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