I40 Acute myocarditis
ICD-10-CM category I40 sits in Chapter 9 (Diseases of the circulatory system, I00-I99). It contains 4 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Billable codes in I40
| Code | Description |
|---|---|
I40.0 | Infective myocarditis |
I40.1 | Isolated myocarditis |
I40.8 | Other acute myocarditis |
I40.9 | Acute myocarditis, unspecified |
Search within ICD-10-CM for I40 and related codes
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