ICD-10-CM code · FY2027
I42.0 Dilated cardiomyopathy
Header codeNot billable: use one of the 3 billable codes below
About I42.0
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Coding notes for I42.0
No notes of its own; the notes below apply from the codes above it.
Also applies, from I42 Cardiomyopathy
Includes Conditions this code covers.
- myocardiopathy
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
Code first Report the underlying condition's code before this one.
- pre-existing cardiomyopathy complicating pregnancy and puerperium (O99.4)
Chapter 9 notes (apply to every code in it)
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Codes under I42.0 3
Related codes in I42
- I42.1 Obstructive hypertrophic cardiomyopathyBillable
- I42.2 Other hypertrophic cardiomyopathyBillable
- I42.3 Endomyocardial (eosinophilic) diseaseBillable
- I42.4 Endocardial fibroelastosisBillable
- I42.5 Other restrictive cardiomyopathyBillable
- I42.6 Alcoholic cardiomyopathyBillable
- I42.7 Cardiomyopathy due to drug and external agentBillable
- I42.8 Other cardiomyopathiesHeader
- I42.9 Cardiomyopathy, unspecifiedBillable
Latest research on cardiomyopathy
- Sodium-glucose cotransporter 2 inhibitors may improve left ventricular diastolic function in hypertrophic cardiomyopathy
- Aficamten is superior to metoprolol in the management of obstructive hypertrophic cardiomyopathy
- Hydroxychloroquine may have a treatment role for chronic inflammatory cardiomyopathy
- Vutrisiran reduces mortality in transthyretin amyloidosis with cardiomyopathy
- Nexiguran ziclumeran reduces serum TTR levels in transthyretin amyloid cardiomyopathy
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See 2MM+ plansICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.
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