C45 ICD-10-CM Code: Mesothelioma
A clear reference for the official code description, hierarchy, and related coding information from the April 2026 U.S. release.
Code definition
Official description
C45Mesothelioma
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where C45 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of mesothelial and soft tissue (C45-C49)
- 3
Category C45
Mesothelioma
- 4
Code C45
Mesothelioma
More specific choices
Codes under C45
C45 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for C45.
Code first
No “code first” instruction is listed for C45.
Use additional code
No “use additional code” instruction is listed for C45.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for C45.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C45.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code C45 mean?
C45 is the April 2026 U.S. ICD-10-CM code for “Mesothelioma.”
Is C45 a billable or specific ICD-10-CM code?
No. C45 has more specific child codes in the April 2026 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is C45 located in ICD-10-CM?
C45 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of mesothelial and soft tissue (C45-C49) (C45–C49), under category C45, Mesothelioma.
What coding notes are listed for C45?
No inclusion terms are listed for C45 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
Ready to transform your clinical documentation?
Join Vero and see how effortless documentation can be.
No credit card required
Cancel anytime