Diagnosis Code


Code Information

Diagnosis Code: I01.1

Short Description: Acute rheumatic endocarditis

Long Description: Acute rheumatic endocarditis

The code I01.1 is VALID for claim submission

Code Classification:

  • Diseases of the circulatory system (I00–I99)
    • Acute rheumatic fever (I00-I02)
      • Rheumatic fever with heart involvement (I01)
        • I01.1 Acute rheumatic endocarditis

Code Version: 2020 ICD-10-CM


  • Active rheumatic fever
  • Acute rheumatic endocarditis
  • Acute rheumatic fever with valvulitis
  • Acute rheumatic heart disease
  • Acute rheumatic heart disease
  • Aortitis
  • Endocarditis associated with another disorder
  • Rheumatic endocarditis
  • Rheumatic fever
  • Rheumatoid aortitis

Diagnostic Related Group(s)

The code I01.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG v37.0)
  • Cardiac Congenital And Valvular Disorders With Mcc (306)
  • Cardiac Congenital And Valvular Disorders Without Mcc (307)

References to Index of Diseases and Injuries

The code I01.1 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Any condition in I00 with endocarditis or valvulitis
    • Acute rheumatic valvulitis

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
I01.1 Right Arrow 391.1 Acute rheumatic endocard

This ICD-10 to ICD-9 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-10 Code ICD-10 Description
I01 Rheumatic fever with heart involvement
I01.0 Acute rheumatic pericarditis
I01.2 Acute rheumatic myocarditis
I01.8 Other acute rheumatic heart disease
I01.9 Acute rheumatic heart disease, unspecified

This page was last updated on: 10/1/2019