D51 Vitamin B12 deficiency anemia
ICD-10-CM category D51 sits in Chapter 3 (Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism, D50-D89). It contains 6 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Billable codes in D51
| Code | Description |
|---|---|
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 |
Search within ICD-10-CM for D51 and related codes
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