ICD-10-CM › I00-I99 › I30-I5A › I40 Acute myocarditis › I40.0
Infective myocarditis
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 Infective myocarditis
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 I40 Acute myocarditis
Excludes1 - never coded here
- acute rheumatic myocarditis (I01.2)
Includes
- subacute myocarditis
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.
- Cardiosis
- Bad > heart
- Carbunculus
- Cardiopathy
- Ailment heart
- Cardiostenosis
- Change > heart
- Lesion > heart
- Strain > heart
- Fibroid > heart
- Morbus > cordis
- Organic > heart
- Seizure > heart
- Trouble > heart
- Cachexia > heart
- Collapse > heart
- Lesion > cardiac
- Stricture > heart
- Cachexia > cardiac
- Compression > heart
- Myofibrosis > heart
- Stricture > cardiac
- Toxemia > myocardial
- Collapse > myocardial
- Low > cardiac reserve
- Compensation > failure
- Complication > cardiac
- Decompensation > heart
- Decompensation > cardiac
- Fibrosis, fibrotic > heart
- Decompensation > myocardial
- Disease, diseased > cardiac
- Fibrosis, fibrotic > cardiac
- Impaired, impairment > heart
- Failure, failed > compensation
- Scarlatina > myocarditis > old
- Myocarditis > toxic > rheumatic
- Disability, disabilities > heart
- Failure, failed > heart > organic
- Disease, diseased > heart > senile
Showing 40 of 55 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| I40.1 | Isolated myocarditis | Valid |
| I40.8 | Other acute myocarditis | Valid |
| I40.9 | Acute myocarditis, unspecified | Valid |