ICD-10-CM Alphabetic Index · FY 2026 16 Entries
Myocardiopathy in the ICD-10-CM Index ICD-10-CM
The main term Myocardiopathy (congestive) (constrictive) (familial) (hypertrophic nonobstructive) (idiopathic) (infiltrative) (obstructive) (primary) (restrictive) (sporadic) carries 16 index entries pointing to 12 ICD-10-CM codes. The default entry is I42.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
16
Index Entries
12
Codes Referenced
I42.9
Default Code
M
Letter
16 of 16 shown
ICD-10-CM
Index Entries Under Myocardiopathy 16 entries · 12 codes
Myocardiopathy (congestive) (constrictive) (familial) (hypertrophic nonobstructive) (idiopathic) (infiltrative) (obstructive) (primary) (restrictive) (sporadic) I42.9
alcoholic I42.6
cobalt-beer I42.6
glycogen storage E74.02
hypertrophic obstructive I42.1
in (due to)
beriberi E51.12
cardiac glycogenosis E74.02
Friedreich's ataxia G11.11
myotonia atrophica G71.11
progressive muscular dystrophy G71.09 see also Dystrophy, muscular, by type
obscure (African) I42.8
secondary I42.9
thyrotoxic E05.90
with storm E05.91
toxic NEC I42.7
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
