D51.0
Billable codeVitamin B12 deficiency anemia due to intrinsic factor deficiency
The ICD-10 code for vitamin b12 deficiency anemia due to intrinsic factor deficiency is D51.0.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Addison anemia
- Biermer anemia
- Pernicious (congenital) anemia
- Congenital intrinsic factor deficiency
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- D51.1Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria
- D51.2Transcobalamin II deficiency
- D51.3Other dietary vitamin B12 deficiency anemia
- D51.8Other vitamin B12 deficiency anemias
- D51.9Vitamin B12 deficiency anemia, unspecified
- D51.0Vitamin B12 deficiency anemia due to intrinsic factor deficiency
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2810Approximate match
Associated MS-DRGs
D51.0 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.