2025 ICD-10-CM Diagnosis Code I01.2

Acute rheumatic myocarditis

I01.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2025 edition of ICD-10-CM I01.2 became effective on October 1, 2024.
This is the American ICD-10-CM version of I01.2 – other international versions of ICD-10 I01.2 may differ.

Applicable To

The following code(s) above I01.2 contain annotation back-references

that may be applicable to I01.2:

ICD-10-CM I01.2 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

Convert I01.2 to ICD-9-CMCode History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change
2024 (effective 10/1/2023): No change
2025 (effective 10/1/2024): No change

Code annotations containing back-references to I01.2:

Diagnosis Index entries containing back-references to I01.2:

Degeneration, degenerative
- myocardial, myocardium (fatty) (hyaline) (senile) I51.5
  - with rheumatic fever (conditions in I00) I09.0
    - active, acute or subacute I01.2
Insufficiency, insufficient
- myocardial, myocardium (with arteriosclerosis) I50.9 – see also Failure, heart
  - with
    - rheumatic fever (conditions in I00) I09.0
      - active, acute or subacute I01.2
  - rheumaticI09.0
    - active, acute, or subacute I01.2
Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile) I51.4
- activeI40.9
  - rheumatic I01.2
- acute or subacute (interstitial) I40.9
  - due to
    - streptococcus I01.2 (beta-hemolytic)
  - rheumatic I01.2
- rheumatic (chronic) (inactive) (with chorea) I09.0
  - active or acute I01.2
Rheumatic (acute) (subacute)
- myocarditis (chronic) (inactive) (with chorea) I09.0
  - active or acute I01.2