C45Header code — not billable
Mesothelioma
- Chapter
- 2. Neoplasms
- Category
- C45
- Effective date
- October 1, 2026
Related codes in category C45
Frequently asked questions
What is ICD-10 code C45?
C45 is an ICD-10-CM diagnosis code for Mesothelioma.
Is C45 a billable code?
No. C45 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is C45 in?
C45 falls under Chapter 2: Neoplasms.
When did C45 become effective?
C45 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C45?
C45 belongs to category C45, which includes 5 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.