2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Other Forms Of Heart Disease 420-429 > Acute Myocarditis 422.* >  2008 ICD-9-CM Diagnosis 422.91
Idiopathic myocarditis On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 422.91 can be accessed here. - 422.91 is a specific code that can be used to specify a diagnosis
- 422.91 contains 13 index entries
- View the ICD-9-CM Volume 1 422.* hierarchy
422.91 also known as:- Myocarditis (acute or subacute):
- Fiedler's
- giant cell
- isolated (diffuse) (granulomatous)
- nonspecific granulomatous
Index entries containing 422.91:- Abramov-Fiedler myocarditis (acute isolated myocarditis)
 422.91
Fiedler's- myocarditis or syndrome (acute isolated myocarditis) 422.91
Myocarditis (fibroid) (interstitial) (old) (progressive) (senile) (with arteriosclerosis) 429.0- acute or subacute (interstitial) 422.90
- idiopathic 422.91
- eosinophilic 422.91
- Fiedler's (acute) (isolated) (subacute) 422.91
- giant cell (acute) (subacute) 422.91
- granulomatous (idiopathic) (isolated) (nonspecific) 422.91
- idiopathic 422.91
- granulomatous 422.91
- isolated (diffuse) (granulomatous) 422.91
- specific (giant cell) (productive) 422.91
- viral, except Coxsackie 422.91
Syndrome - see also Disease- Fiedler's (acute isolated myocarditis) 422.91
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