What ICD-10 Codes Are Used for Pernicious Anemia?
Pernicious Anemia, a type of vitamin B12 deficiency anemia, has unique ICD-10-CM codes, which help to identify it in the medical field:
- D51.0 - Vitamin B12 deficiency anemia due to intrinsic factor deficiency: This code specifically points to pernicious anemia, an autoimmune condition impairing the absorption of vitamin B12.
- D51.1 - Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria: This code is used for Imerslund-Grasbeck syndrome, a rare disorder causing B12 deficiency, which may resemble pernicious anemia.
- D51.9 - Vitamin B12 deficiency anemia, unspecified: This code is for instances when B12 deficiency anemia is diagnosed, but its specific cause hasn't been determined.

