D51.0 ICD-10-CA code: Vitamin B12 deficiency anaemia due to intrinsic factor deficiency
D51.0 is the ICD-10-CA code for “Vitamin B12 deficiency anaemia due to intrinsic factor deficiency” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
D51.0Vitamin B12 deficiency anaemia due to intrinsic factor deficiency
Short description: Vit B12 def anaemia dt intrinsic fct def
ICD-10-CA · Canada · Also written D510
Index terms
Entries in CIHI’s alphabetical index that lead to D51.0. Searching the index by the condition the note names is how coders reach this code.
- Addison's, anemia
- Anemia, Biermer's
- Anemia, malignant
- Glossitis, Hunter's
- Hunter's, glossitis
- Anemia, Addison (Biermer)
- Biermer's anemia or disease
- Congenital, intrinsic factor deficiency
- Deficiency, deficient, intrinsic factor (congenital)
- Anemia, pernicious (congenital) (malignant) (progressive)
Notes for D51.0
As CIHI prints them, with any note D51.0 takes from the headings above it.
Includes
- Anaemia:• Addison• Biermer• pernicious (congenital)Congenital intrinsic factor deficiency
Excludes
Conditions classified elsewhere.
- Vitamin B deficiency (E53.8)12From D51 Vitamin B12 deficiency anaemia
- Autoimmune disease (systemic) NOS (M35.9)certain conditions originating in the perinatal period (P00-P96)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)human immunodeficiency virus [HIV] disease (B24)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Where D51.0 sits
- 1ChapterChapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
- 2Block D50-D53Nutritional anaemias
- 3Category D51Vitamin B12 deficiency anaemia
- 4Valid code D51.0Vitamin B12 deficiency anaemia due to intrinsic factor deficiency
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code D51.0 mean?
D51.0 is the ICD-10-CA code for “Vitamin B12 deficiency anaemia due to intrinsic factor deficiency” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is D51.0 in ICD-10-CA?
D51.0 sits under D51 Vitamin B12 deficiency anaemia, within D50-D53 Nutritional anaemias, within Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89).
What coding notes apply to D51.0?
ICD-10-CA lists Includes, Excludes notes for D51.0, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.