I42.1 – Obstructive hypertrophic cardiomyopathy
Coding Notes
Active
Billable, valid for HIPAA-covered transactions
Applicable To
Hypertrophic subaortic stenosis (idiopathic)
GEM Conversion to ICD-9 CM
Fs: 00000
–
Hypertrophic obstructive cardiomyopathy
MDC / MS-DRG Reference
Back Reference of Diagnostic Codes
Cardiomyopathy
(familial) (idiopathic)
I42.9
hypertrophic
(nonobstructive)
I42.2
Myocardiopathy
(congestive) (constrictive) (familial) (hypertrophic nonobstructive) (idiopathic) (infiltrative) (obstructive) (primary) (restrictive) (sporadic)
See also Cardiomyopathy
I42.9
Stenosis, stenotic
(cicatricial)
See also Stricture
hypertrophic subaortic
(idiopathic)
I42.1
myocardium, myocardial
See also Degeneration, myocardial
hypertrophic subaortic
(idiopathic)
I42.1
hypertrophic
(idiopathic)
I42.1
Stricture
See also Stenosis
hypertrophic subaortic
(idiopathic)
I42.1
hypertrophic
(acquired) (idiopathic)
I42.1
Sibling Codes
Parent Sibling Codes
View in Tabular
| Code | Title |
|---|---|
| I00-I99 | Diseases of the circulatory system (I00-I99) |
| I30-I5A | Other forms of heart disease (I30-I5A) |
| I42 | Cardiomyopathy |
| I42.1 |
Obstructive hypertrophic cardiomyopathy
Applicable to
Hypertrophic subaortic stenosis (idiopathic)
|