Convert ICD-10-CM I08.9 to ICD-9-CM

ICD-10-CM I08.9 converts approximately to:
  • 2015 ICD-9-CM 396.9 Mitral and aortic valve diseases, unspecified
  • 2015 ICD-9-CM 397.9 Rheumatic diseases of endocardium, valve unspecified

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: 2021 ICD-10-CM CMS General Equivalence Mappings.