Convert ICD-9-CM Diagnosis 440.21 to ICD-10-CM

ICD-9-CM 440.21 converts approximately to:
  • 2021 ICD-10-CM I70.219 Atherosclerosis of native arteries of extremities with intermittent claudication, unspecified extremity

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.