Diagnosis Code: 422.0

Short Description: Ac myocardit in oth dis

Long Description: Acute myocarditis in diseases classified elsewhere

Code Classification:

• Diseases of the circulatory system (390–459)
  • Other forms of heart disease (420-429)
    • 422 Acute myocarditis
      • 422.0 Ac myocardit in oth dis

This code is valid for manifestations not allowed as principal diagnosis

Code Version: 2015 ICD-9-CM

Synonyms

• Acute myocarditis - influenzal
• Acute myocarditis - tuberculous
• Acute myocarditis associated with another disorder
• Adenoviral myocarditis
• Dilated cardiomyopathy secondary to fungal myocarditis
• Dilated cardiomyopathy secondary to metazoal myocarditis
• Myocarditis due to influenza virus
• Parasitic myocarditis
• Tuberculosis of myocardium

References to Index of Diseases and Injuries

The code 422.0 has the following ICD-9-CM references to the Index of Diseases and Injuries

• Myocarditis (fibroid) (interstitial) (old) (progressive) (senile) (with arteriosclerosis) 429.0
  • due to or in
    • epidemic louse-borne typhus 080 [422.0]
    • influenza (see also Influenza) 487.8 [422.0]
    • Lyme disease 088.81 [422.0]
    • scarlet fever 034.1 [422.0]
    • tuberculosis (see also Tuberculosis) 017.9 [422.0]
    • typhoid 002.0 [422.0]
    • typhus NEC 081.9 [422.0]
  • influenzal (see also Influenza) 487.8 [422.0]
  • tuberculous (see also Tuberculosis) 017.9 [422.0]
  • typhoid 002.0 [422.0]

• Scarlatina 034.1
  • myocarditis, acute 034.1 [422.0]
    • old (see also Myocarditis) 429.0

• Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (congenital) (degeneration) (disease) (fibrocaseous) (fistula) (gangrene) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) 011.9
  • myocarditis 017.9 [422.0]
  • myocardium 017.9 [422.0]

• Typhoid (abortive) (ambulant) (any site) (fever) (hemorrhagic) (infection) (intermittent) (malignant) (rheumatic) 002.0
  • myocarditis 002.0 [422.0]

Crosswalk Information

The code 422.0 converts into the following ICD-10 code(s):

Similar Codes

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

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