Alphabetic Index · main term
Myocardosis
Myocardosis is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). It is a cross-reference: the Index sends you to Cardiomyopathy, which lists I42.9. Confirm the code in the Tabular List before you report it.
Where the Index sends you
see Cardiomyopathy (familial) (idiopathic)
Cardiomyopathy, unspecified