D51.0Billable

Vitamin B12 deficiency anemia due to intrinsic factor deficiency

Short description: Vitamin B12 defic anemia due to intrinsic factor deficiency

Chapter
3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Category
D51
Effective date
October 1, 2026

Related codes in category D51

D51Vitamin B12 deficiency anemiaD51.1Vit B12 defic anemia d/t slctv vit B12 malabsorp w proteinYesD51.2Transcobalamin II deficiencyYesD51.3Other dietary vitamin B12 deficiency anemiaYesD51.8Other vitamin B12 deficiency anemiasYesD51.9Vitamin B12 deficiency anemia, unspecifiedYes

Frequently asked questions

What is ICD-10 code D51.0?

D51.0 is an ICD-10-CM diagnosis code for Vitamin B12 deficiency anemia due to intrinsic factor deficiency.

Is D51.0 a billable code?

Yes. D51.0 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is D51.0 in?

D51.0 falls under Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.

When did D51.0 become effective?

D51.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to D51.0?

D51.0 belongs to category D51, which includes 6 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.