Convert ICD-9-CM Diagnosis 281.1 to ICD-10-CM

ICD-9-CM 281.1 converts approximately to:
  • 2021 ICD-10-CM D51.1 Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria
  • 2021 ICD-10-CM D51.3 Other dietary vitamin B12 deficiency anemia
  • 2021 ICD-10-CM D51.8 Other vitamin B12 deficiency anemias

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.