2013 ICD-9-CM Diagnosis Code 425.4
Other primary cardiomyopathies
- myocardial disease characterized by hypertrophy, involving mainly the interventricular septum, interfering with left ventricular emptying.
- A condition in which the myocardium is hypertrophied without an obvious cause. The hypertrophy is generally asymmetric and may be associated with obstruction of the ventricular outflow tract.
- A disease of the heart muscle or myocardium proper whose cause is unknown.
- condition in which there is a deviation from or interruption of the normal structure or function of the myocardium, the middle and thickest layer of the heart wall, composed of heart muscle.
- A disease of the heart muscle or myocardium proper. Cardiomyopathies may be classified as either primary or secondary, on the basis of etiology, or on the pathophysiology of the lesion: hypertrophic, dilated, or restrictive.
- ICD-9-CM 425.4 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
425.4 Alternative Terminology
Applies To
Convert 425.4 to ICD-10-CM 
ICD-9-CM Volume 2 Index entries containing back-references to 425.4:
idiopathic 
alcoholic 
