422.99 ACUTE MYOCARDITIS NEC


Code Information

Diagnosis Code: 422.99

Short Description: Acute myocarditis NEC

Long Description: Other acute myocarditis

Code Classification:

  • Diseases of the circulatory system (390–459)
    • Other forms of heart disease (420-429)
      • 422 Acute myocarditis
        • 422.99 Acute myocarditis NEC

Code Version: 2015 ICD-9-CM


Synonyms

  • Fungal myocarditis
  • Lymphocytic myocarditis

References to Index of Diseases and Injuries

The code 422.99 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Myocarditis (fibroid) (interstitial) (old) (progressive) (senile) (with arteriosclerosis) 429.0
    • acute or subacute (interstitial) 422.90
      • specified type NEC 422.99
    • malignant 422.99

Crosswalk Information

The code 422.99 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
422.99 Right Arrow I40.8 Other acute 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
422.0 Acute myocarditis in diseases classified elsewhere
422.90 Acute myocarditis, unspecified
422.91 Idiopathic myocarditis
422.92 Septic myocarditis
422.93 Toxic myocarditis


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