1. ICD-10-CM Codes
›
2. I00-I99
›
3. I30-I5A
›
4. I42-
›
5. 2023 ICD-10-CM Diagnosis Code I42.8

2023 ICD-10-CM Diagnosis Code I42.8

Other cardiomyopathies

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

• I42.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2023 edition of ICD-10-CM I42.8 became effective on October 1, 2022.
• This is the American ICD-10-CM version of I42.8 - other international versions of ICD-10 I42.8 may differ.

• Arrhythmogenic right ventricular dysplasia
• Cardiomyopathy, obscure african
• Cardiomyopathy, primary (heart condition)
• Congenital arrhythmogenic right ventricular dysplasia (at birth)
• Obscure african cardiomyopathy
• Primary cardiomyopathy

• 314 Other circulatory system diagnoses with mcc
• 315 Other circulatory system diagnoses with cc
• 316 Other circulatory system diagnoses without cc/mcc

Convert I42.8 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change

• Becker's
  • cardiomyopathy I42.8
• Cardiomyopathy (familial) (idiopathic) I42.9
  ICD-10-CM Diagnosis Code I42.9

  Cardiomyopathy, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

  Applicable To

  • Cardiomyopathy (primary) (secondary) NOS
  • newborn I42.8
  • non-ischemic I42.8 - see also by cause
  • obscure of Africa I42.8
  • specified NEC I42.8
• Collagenosis, collagen disease (nonvascular) (vascular) M35.9
  ICD-10-CM Diagnosis Code M35.9

  Systemic involvement of connective tissue, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

  Applicable To

  • Autoimmune disease (systemic) NOS
  • Collagen (vascular) disease NOS
  • cardiovascular I42.8
• Dysplasia - see also Anomaly
  • arrhythmogenic right ventricular I42.8
  • right ventricular, arrhythmogenic I42.8
• Myocardiopathy (congestive) (constrictive) (familial) (hypertrophic nonobstructive) (idiopathic) (infiltrative) (obstructive) (primary) (restrictive) (sporadic) I42.9
  - see also Cardiomyopathy
  ICD-10-CM Diagnosis Code I42.9

  Cardiomyopathy, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

  Applicable To

  • Cardiomyopathy (primary) (secondary) NOS
  • obscure I42.8 (African)
• Newborn (infant) (liveborn) (singleton) Z38.2
  ICD-10-CM Diagnosis Code Z38.2

  Single liveborn infant, unspecified as to place of birth

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt

  Applicable To

  • Single liveborn infant NOS
  • affected by
    • cardiomyopathy I42.8
• South African cardiomyopathy syndrome I42.8
• Syndrome - see also Disease
  • South African cardiomyopathy I42.8

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