ICD-10-CM Current in FY 2027
I42
Cardiomyopathy
- Release
- FY 2027
- Effective
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files.
More Specific Codes
10 codes under I42
- I42.0 Dilated cardiomyopathy Has subcodes
- I42.1 Obstructive hypertrophic cardiomyopathy Billable
- I42.2 Other hypertrophic cardiomyopathy Billable
- I42.3 Endomyocardial (eosinophilic) disease Billable
- I42.4 Endocardial fibroelastosis Billable
- I42.5 Other restrictive cardiomyopathy Billable
- I42.6 Alcoholic cardiomyopathy Billable
- I42.7 Cardiomyopathy due to drug and external agent Billable
- I42.8 Other cardiomyopathies Has subcodes
- I42.9 Cardiomyopathy, unspecified Billable
Version History
How I42 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentCardiomyopathy
-
FY 2026 Effective
UnchangedCardiomyopathy
Related Codes
Codes whose official notes reference I42
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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