I40.1 ISOLATED MYOCARDITIS

Code Information

  • Diagnosis Code: I40.1
  • Short Description: Isolated myocarditis
  • Long Description: Isolated myocarditis
  • Code Version: 2025 ICD-10-CM

The code I40.1 is VALID for claim submission

Code Classification

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 V42.0

  1. Other Circulatory System Diagnoses With Mcc (314)
  2. Other Circulatory System Diagnoses With Cc (315)
  3. Other Circulatory System Diagnoses Without Cc/mcc (316)
  4. Hiv With Major Related Condition With Mcc (974)
  5. Hiv With Major Related Condition With Cc (975)
  6. Hiv With Major Related Condition Without Cc/mcc (976)

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

ICD-10 Code ICD-9 Code ICD-9 Description
I40.1 Right Arrow 422.91 Idiopathic myocarditis
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
I40 Acute myocarditis
I40.0 Infective myocarditis
I40.8 Other acute myocarditis
I40.9 Acute myocarditis, unspecified
This page was last updated on: 10/1/2024
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