I33.9
Acute and subacute endocarditis, unspecified
- Release
- FY 2027
- Effective
Hierarchy
Where I33.9 sits in the official hierarchy. Each level is the code it is classified under.
- I33 Parent Acute and subacute endocarditis
- I33.9 This code Acute and subacute endocarditis, unspecified
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Inclusion Terms
Acute endocarditis NOS
Inclusion Terms
Acute myoendocarditis NOS
Inclusion Terms
Acute periendocarditis NOS
Inclusion Terms
Subacute endocarditis NOS
Inclusion Terms
Subacute myoendocarditis NOS
Inclusion Terms
Subacute periendocarditis NOS
Version History
How I33.9 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentAcute and subacute endocarditis, unspecified
-
FY 2026 Effective
UnchangedAcute and subacute endocarditis, unspecified
Related Codes
Other codes under I33
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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