I01.2
ICD-10BillableAcute rheumatic myocarditis
Official ICD-10-CM descriptor (FY2026)
Acute rheumatic myocarditis
I01.2 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Any condition in I00 with myocarditis
Related codes in I01
Where this code sits
- Parent code
- I01
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.