ICD-10-CM › I00-I99 › I30-I5A › I33 Acute and subacute endocarditis › I33.9
Acute and subacute endocarditis, unspecified
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Acute and subacute endocarditis, unspecified
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from I33 Acute and subacute endocarditis
Excludes1 - never coded here
- acute rheumatic endocarditis (I01.1)
- endocarditis NOS (I38)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Ox heart
- Cardiosis
- Lassitude
- Valvulitis
- Bad > heart
- Cardiopathy
- Leaky heart
- Mesaortitis
- Bovine heart
- Cardiectasis
- Cardiomegaly
- Valvulopathy
- Ailment heart
- Cardiostenosis
- Change > heart
- Lesion > heart
- Strain > heart
- Closure > valve
- Endomyocarditis
- Fibroid > heart
- Morbus > cordis
- Murmur > aortic
- Myoendocarditis
- Organic > heart
- Seizure > heart
- Trouble > heart
- Aneurysm > basal
- Aneurysm > mural
- Cachexia > heart
- Collapse > heart
- Endopericarditis
- Lesion > cardiac
- Periendocarditis
- Dilated, dilation
- Disorder > mitral
- Lesion > valvular
- Murmur > valvular
- Stricture > heart
- Stricture > valve
- Aneurysm > cardiac
Showing 40 of 166 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| I33.0 | Acute and subacute infective endocarditis | Valid |