Nonischemic cardiomyopathy icd 10 code Coding Guide

Their is lot of confusion about finding ICD 10 code for nonischemic cardiomyopathy. Their are many condition whcih do not have specific ICD 10 code. For these condition either a unspecified or other specified code is reported.

Similary for nonischemic cardiomyopathy icd 10 code, when you search in index column it will lead to unspecified code. Hence, most of the coder are using unspecified code I42.9, for nonischemic cardiomyopathy. Some payers are accepting the other specified I42.8 as well for nonischemic cardiomyopathy.

Read also: Coding guidelines for Anemia ICD 10 code

Related nonischemic cardiomyopathy ICD 10 codes

I42 Cardiomyopathy

Includes: myocardiopathy

Code first pre-existing cardiomyopathy complicating pregnancy and puerperium (O99.4)

Excludes2: ischemic cardiomyopathy (I25.5)

peripartum cardiomyopathy (O90.3)

ventricular hypertrophy (I51.7)

I42.0 Dilated cardiomyopathy

Congestive cardiomyopathy

I42.1 Obstructive hypertrophic cardiomyopathy

Hypertrophic subaortic stenosis (idiopathic)

I42.2 Other hypertrophic cardiomyopathy

Nonobstructive hypertrophic cardiomyopathy

I42.3 Endomyocardial (eosinophilic) disease

Endomyocardial (tropical) fibrosis

Löffler’s endocarditis

I42.4 Endocardial fibroelastosis

Congenital cardiomyopathy

Elastomyofibrosis

I42.5 Other restrictive cardiomyopathy

Constrictive cardiomyopathy NOS

I42.6 Alcoholic cardiomyopathy

Code also presence of alcoholism (F10.-)

I42.7 Cardiomyopathy due to drug and external agent

Code first poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4 or 6)

Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

I42.8 Other cardiomyopathies

I42.9  Cardiomyopathy, unspecified

Cardiomyopathy (primary) (secondary) NOS

I43 Cardiomyopathy in diseases classified elsewhere
Code first underlying disease, such as:
amyloidosis (E85.-)
glycogen storage disease (E74.0)
gout (M10.0-)
thyrotoxicosis (E05.0-E05.9-)

Excludes1: cardiomyopathy (in):
coxsackie (virus) (B33.24)
diphtheria (A36.81)
sarcoidosis (D86.85)
tuberculosis (A18.84)

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