Non-specific code 2014 ICD-9-CM Diagnosis Code 425.1
Hypertrophic cardiomyopathy
  • Non-Billable Code
  • There are 2 ICD-9-CM codes below 425.1 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Disease Synonyms
  • Cardiomyopathy, hypertrophic obstructive
  • Hypertrophic obstructive cardiomyopathy
Clinical Information
  • 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 form of cardiac muscle disease, characterized by left and/or right ventricular hypertrophy (hypertrophy, left ventricular; hypertrophy, right ventricular), frequent asymmetrical involvement of the heart septum, and normal or reduced left ventricular volume. Risk factors include hypertension; aortic stenosis; and gene mutation; (familial hypertrophic cardiomyopathy).
  • Myocardial disease characterized by hypertrophy, involving mainly the interventricular septum, interfering with left ventricular emptying.
425.1 Excludes
  • ventricular hypertrophy (429.3)
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 425.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.