Diagnosis Code: I40.1

Short Description: Isolated myocarditis

Long Description: Isolated myocarditis

The code I40.1 is VALID for claim submission

Code Classification:

• Diseases of the circulatory system (I00–I99)
  • Other forms of heart disease (I30-I5A)
    • Acute myocarditis (I40)
      • I40.1 Isolated myocarditis

Code Version: 2022 ICD-10-CM

Synonyms

• Eosinophilic myocarditis
• Giant cell myocarditis
• Idiopathic myocarditis
• Isolated myocarditis
• Isolated diffuse granulomatous myocarditis

Diagnostic Related Group(s)

The code I40.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

• Other Circulatory System Diagnoses With Mcc (314)
• Other Circulatory System Diagnoses With Cc (315)
• Other Circulatory System Diagnoses Without Cc/mcc (316)

References to Index of Diseases and Injuries

The code I40.1 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Inclusion Terms:
  • Fiedler's myocarditis
  • Giant cell myocarditis
  • Idiopathic myocarditis

Crosswalk Information

Similar Codes

This page was last updated on: 10/1/2023

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