D51 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Vitamin B12 deficiency anemia.
Type 1 excludes
Codes
D51.0
Vitamin B12 deficiency anemia due to intrinsic factor deficiency
D51.1
Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria
D51.2
Transcobalamin II deficiency
D51.3
Other dietary vitamin B12 deficiency anemia
D51.8
Other vitamin B12 deficiency anemias
D51.9
Vitamin B12 deficiency anemia, unspecified
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code