D51.0 Vitamin B12 deficiency anemia due to intrinsic factor deficiency
The ICD-10-CM code for Vitamin B12 deficiency anemia due to intrinsic factor deficiency is D51.0 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- D50-D53: Nutritional anemias (D50-D53)
- Category D51
- 7 codes (6 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to D51.0:
- Lichtheim's disease or syndrome
- Biermer's (pernicious) anemia or disease
- Runeberg's disease
- Addison-Biermer anemia (pernicious)
- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › combined system disease NEC
- Addison's › anemia (pernicious)
- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › Addison (-Biermer) (pernicious)
- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) › Biermer's (pernicious)
Inclusion Terms
- Addison anemia
- Biermer anemia
- Pernicious (congenital) anemia
- Congenital intrinsic factor deficiency
U.S. Hospital Utilization
- An estimated 12,420 U.S. inpatient stays in 2023 included D51.0 among the documented diagnoses.
- 345 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Chapter 3 TOC entry3. Chapter 3: Disease of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89) ............................................................................................. 39
Reserved for future guideline expansionReserved for future guideline expansion ...................................................................................... 39
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026