391.2 AC RHEUMATIC MYOCARDITIS


Code Information

Diagnosis Code: 391.2

Short Description: Ac rheumatic myocarditis

Long Description: Acute rheumatic myocarditis

Code Classification:

  • Diseases of the circulatory system (390–459)
    • Acute rheumatic fever (390-392)
      • 391 Rheumatic fever with heart involvement
        • 391.2 Ac rheumatic myocarditis

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 391.2 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Degeneration, degenerative
    • myocardium, myocardial (brown) (calcareous) (fatty) (fibrous) (hyaline) (mural) (muscular) (pigmentary) (senile) (with arteriosclerosis) 429.1
      • with rheumatic fever (conditions classifiable to 390) 398.0
        • active, acute, or subacute 391.2
          • with chorea 392.0
  • Fever 780.60
    • rheumatic (active) (acute) (chronic) (subacute) 390
      • with heart involvement 391.9
        • myocarditis 391.2
  • Insufficiency, insufficient
    • myocardial, myocardium (with arteriosclerosis) 428.0
      • with rheumatic fever (conditions classifiable to 390)
        • active, acute, or subacute 391.2
          • with chorea 392.0
      • rheumatic 398.0
        • active, acute, or subacute 391.2
          • with chorea (Sydenham's) 392.0
  • Myocarditis (fibroid) (interstitial) (old) (progressive) (senile) (with arteriosclerosis) 429.0
    • with
      • rheumatic fever (conditions classifiable to 390) 398.0
        • active (see also Myocarditis, acute, rheumatic) 391.2
    • active (nonrheumatic) 422.90
      • rheumatic 391.2
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
    • acute or subacute (interstitial) 422.90
      • due to Streptococcus (beta-hemolytic) 391.2
      • rheumatic 391.2
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
    • rheumatic (chronic) (inactive) (with chorea) 398.0
      • active or acute 391.2
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
    • toxic 422.93
      • rheumatic (see also Myocarditis, acute rheumatic) 391.2
  • Rheumatism, rheumatic (acute NEC) 729.0
    • myocarditis (chronic) (inactive) (with chorea) 398.0
      • active or acute 391.2
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0

Crosswalk Information

The code 391.2 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
391.2 Right Arrow I01.2 Acute rheumatic myocarditis
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
391.0 Acute rheumatic pericarditis
391.1 Acute rheumatic endocarditis
391.8 Other acute rheumatic heart disease
391.9 Acute rheumatic heart disease, unspecified


This page was last updated on: 10/1/2014