Category D51
Vitamin B12 deficiency anemia
Clinical Classification Guidelines
Specific Diagnosis Codes
Vitamin B12 deficiency anemia due to intrinsic factor deficiency
D51.0
Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria
D51.1
Transcobalamin II deficiency
D51.2
Other dietary vitamin B12 deficiency anemia
D51.3
Other vitamin B12 deficiency anemias
D51.8
Vitamin B12 deficiency anemia, unspecified
D51.9