Convert ICD-9-CM Diagnosis 428.42 to ICD-10-CM

ICD-9-CM 428.42 converts approximately to:
  • 2020 ICD-10-CM I50.42 Chronic combined systolic (congestive) and diastolic (congestive) heart failure

Note: approximate conversions between ICD-9-CM codes and ICD-10-CM codes may require clinical interpretation in order to determine the most appropriate conversion code(s) for your specific coding situation.

Source: 2020 ICD-10-CM CMS General Equivalence Mappings.