I42.6 Alcoholic cardiomyopathy

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Code also

• presence of alcoholism (F10.-)

Applies from I42 Cardiomyopathy

Includes

• myocardiopathy

Excludes2 (not included here)

• ischemic cardiomyopathy (I25.5)
• peripartum cardiomyopathy (O90.3)
• ventricular hypertrophy (I51.7)

Code first

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

Risk adjustment (HCC)

• CMS-HCC V28: HCC 227 — Cardiomyopathy/Myocarditis
• CMS-HCC V22: HCC 85 — Congestive Heart Failure
• RxHCC V08: HCC 186 — Heart Failure
• ESRD V24: HCC 85

MS-DRG index

Defines the logic of DRG(s) 314-316 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 425.5 Alcoholic cardiomyopathy

Code annotations containing back-references to I42.6

Back-references to I42

• Code First: I5A Non-ischemic myocardial injury (non-traumatic) ("cardiomyopathy (I42.-)")

Diagnosis Index entries for I42.6

• Alcohol, alcoholic, alcohol-induced › cardiopathy
• Beer drinker's heart (disease)
• Cardiomyopathy (familial) (idiopathic) › alcoholic
• Cardiomyopathy (familial) (idiopathic) › cobalt-beer
• Cardiomyopathy (familial) (idiopathic) › due to › alcohol
• Disease, diseased › heart (organic) › beer drinkers'
• Myocardiopathy (congestive) (constrictive) (familial) (hypertrophic nonobstructive) (idiopathic) (infiltrative) (obstructive) (primary) (restrictive) (sporadic) › alcoholic
• Myocardiopathy (congestive) (constrictive) (familial) (hypertrophic nonobstructive) (idiopathic) (infiltrative) (obstructive) (primary) (restrictive) (sporadic) › cobalt-beer

Nearby codes

• I42.1 Obstructive hypertrophic cardiomyopathy
• I42.2 Other hypertrophic cardiomyopathy
• I42.3 Endomyocardial (eosinophilic) disease
• I42.4 Endocardial fibroelastosis
• I42.5 Other restrictive cardiomyopathy
• I42.6 Alcoholic cardiomyopathy (this code)
• I42.7 Cardiomyopathy due to drug and external agent
• I42.8 Other cardiomyopathies
• I42.9 Cardiomyopathy, unspecified