Cardiomyopathy, unspecified
Billable / specificHCC V28 227
I42.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
- Cardiomyopathy (primary) (secondary) NOS
Includes (from I42)
- myocardiopathy
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from I42)
- certain infectious and parasitic diseases (A00-B99) (from I42)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from I42)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from I42)
- endocrine, nutritional and metabolic diseases (E00-E88) (from I42)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from I42)
- neoplasms (C00-D49) (from I42)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from I42)
- systemic connective tissue disorders (M30-M36) (from I42)
- transient cerebral ischemic attacks and related syndromes (G45.-) (from I42)
- ischemic cardiomyopathy (I25.5) (from I42)
- peripartum cardiomyopathy (O90.3) (from I42)
- ventricular hypertrophy (I51.7) (from I42)
Code first
Sequence the underlying condition first.
Also known as
- Cardiomyopathy (primary) (secondary) NOS
- Cardiomyopathy
- Cardiomyopathy, secondary
- Cardiopathy, idiopathic
- Disease, diseased, myocardium, myocardial, primary
- Myocardiopathy
- Myocardiopathy, secondary
Parent code
- I42CardiomyopathyHeader
Related codes
- I42.0Dilated cardiomyopathyHeader
- I42.1Obstructive hypertrophic cardiomyopathyBillable
- I42.2Other hypertrophic cardiomyopathyBillable
- I42.3Endomyocardial (eosinophilic) diseaseBillable
- I42.4Endocardial fibroelastosisBillable
- I42.5Other restrictive cardiomyopathyBillable
- I42.6Alcoholic cardiomyopathyBillable
- I42.7Cardiomyopathy due to drug and external agentBillable
- I42.8Other cardiomyopathiesHeader