D51.0 – Vitamin B12 deficiency anemia due to intrinsic factor deficiency
ICD-10-CM 2027 diagnosis code · Nutritional anemias
ICD-10-CM code
D51.0
- Code
D51.0(claims format:D510)- Description
- Vitamin B12 deficiency anemia due to intrinsic factor deficiency
- Short description
- Vitamin B12 defic anemia due to intrinsic factor deficiency
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
- Block
- D50-D53 Nutritional anemias
- Parent codes
- D51
Notes for D51.0
Applicable to:
- Addison anemia
- Biermer anemia
- Pernicious (congenital) anemia
- Congenital intrinsic factor deficiency
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
D51 – Vitamin B12 deficiency anemia
Excludes2 (not included here):
- deficiency of other B group vitamins (E53-)
Index terms for D51.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Biermer's
- Anemia, Addison
- Addison's, anemia
- Anemia, Biermer's
- Anemia, cytogenic
- Anemia, malignant
- Runeberg's disease
- Anemia, pernicious
- Hunter's, glossitis
- Glossitis, Hunter's
- Syndrome, Putnam-Dana
- Syndrome, Lichtheim's
- Syndrome, Dana-Putnam
- Addison-Biermer anemia
- Disease, diseased, Putnam's
- Disease, diseased, Biermer's
- Syndrome, hunterian glossitis
- Disease, diseased, Runeberg's
- Anemia, congenital, pernicious
- Disease, diseased, Lichtheim's
- Anemia, progressive, malignant
- Anemia, vitamin, B12 deficiency
- Anemia, progressive, pernicious
- Lichtheim's disease or syndrome
- Myelopathy, in, pernicious anemia
Related codes in D51
- D51.1 – Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuriaBillable
- D51.2 – Transcobalamin II deficiencyBillable
- D51.3 – Other dietary vitamin B12 deficiency anemiaBillable
- D51.8 – Other vitamin B12 deficiency anemiasBillable
- D51.9 – Vitamin B12 deficiency anemia, unspecifiedBillable
Frequently asked questions
What is ICD-10 code D51.0?
D51.0 is the ICD-10-CM code for vitamin B12 deficiency anemia due to intrinsic factor deficiency, in the block D50-D53 (Nutritional anemias).
Is D51.0 a billable code?
Yes. D51.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does D51.0 belong to?
It belongs to category D51 – Vitamin B12 deficiency anemia.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.