Current
D51 — Vitamin B12 deficiency anemia
Part of Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism , block Nutritional anemias (D50-D53) .
Official Notes
Excludes2
deficiency of other B group vitamins ( E53- )
Child Codes
- D51.0 Vitamin B12 deficiency anemia due to intrinsic factor deficiency Billable
- D51.1 Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria Billable
- D51.2 Transcobalamin II deficiency Billable
- D51.3 Other dietary vitamin B12 deficiency anemia Billable
- D51.8 Other vitamin B12 deficiency anemias Billable
- D51.9 Vitamin B12 deficiency anemia, unspecified Billable
Referenced By
Official notes on these codes cite D51.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS