2017/18 ICD-10-CM Diagnosis Code I42.9

Cardiomyopathy, unspecified

Applicable To
  • Cardiomyopathy (primary) (secondary) NOS
The following code(s) above I42.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to I42.9:
  • I00-I99
    2018 ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    Type 2 Excludes
    • 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.-)
    Diseases of the circulatory system
  • I42
    ICD-10-CM Diagnosis Code I42

    Cardiomyopathy

      2016 2017 2018 Non-Billable/Non-Specific Code
    Code First
    • pre-existing cardiomyopathy complicating pregnancy and puerperium (O99.4)
    Includes
    • myocardiopathy
    Type 2 Excludes
    • ischemic cardiomyopathy (I25.5)
    • peripartum cardiomyopathy (O90.3)
    • ventricular hypertrophy (I51.7)
    Cardiomyopathy
Approximate Synonyms Clinical Information ICD-10-CM I42.9 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert I42.9 to ICD-9-CM

Code History

Diagnosis Index entries containing back-references to I42.9:

ICD-10-CM Codes Adjacent To I42.9
I42 Cardiomyopathy
I42.0 Dilated cardiomyopathy
I42.1 Obstructive hypertrophic cardiomyopathy
I42.2 Other hypertrophic cardiomyopathy
I42.3 Endomyocardial (eosinophilic) disease
I42.4 Endocardial fibroelastosis
I42.5 Other restrictive cardiomyopathy
I42.6 Alcoholic cardiomyopathy
I42.7 Cardiomyopathy due to drug and external agent
I42.8 Other cardiomyopathies
I42.9 Cardiomyopathy, unspecified
I43 Cardiomyopathy in diseases classified elsewhere
I44 Atrioventricular and left bundle-branch block
I44.0 Atrioventricular block, first degree
I44.1 Atrioventricular block, second degree
I44.2 Atrioventricular block, complete
I44.3 Other and unspecified atrioventricular block
I44.30 Unspecified atrioventricular block
I44.39 Other atrioventricular block
I44.4 Left anterior fascicular block
I44.5 Left posterior fascicular block

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.