ICD-10-CM Alphabetic Index · FY 2027 58 Entries
Cardiomyopathy in the ICD-10-CM Index ICD-10-CM
The main term Cardiomyopathy (familial) (idiopathic) carries 58 index entries pointing to 32 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 2027 index fileEffective Oct 1, 2026 – Sep 30, 2027
58
Index Entries
32
Codes Referenced
I42.9
Default Code
C
Letter
58 of 58 shown
ICD-10-CM
Index Entries Under Cardiomyopathy 58 entries · 32 codes
Cardiomyopathy (familial) (idiopathic) I42.9
alcoholic I42.6
arrhythmogenic I42.81
biventricular I42.81
ventricular (left) (right) I42.81
arteriosclerotic see Disease, heart, ischemic, atherosclerotic
beriberi E51.12
cobalt-beer I42.6
congenital I42.4
congestive I42.00
constrictive NOS I42.5
dilated I42.00
familial-genetic I42.01
specified (nonfamilial) NEC I42.09
due to
alcohol I42.6
beriberi E51.12
drugs I42.7
external agents NEC I42.7
Friedreich's ataxia G11.11
hypertensive see Hypertension, heart
hypertrophic (nonobstructive) I42.2
obstructive I42.1
congenital Q24.8
in
Chagas' disease (chronic) B57.2
acute B57.0
sarcoidosis D86.85
ischemic I25.5
newborn I42.89
congenital I42.4
non-ischemic I42.89 see also by cause
beriberi E51.12
obscure of Africa I42.89
peripartum O90.3
postpartum O90.3
restrictive NEC I42.5
rheumatic I09.0
secondary I42.9
specified NEC I42.89
stress induced I51.81
takotsubo I51.81
toxic NEC I42.7
tuberculous A18.84
viral B33.24
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2027 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2026 through September 30, 2027.
