ICD-10-CM
ICD-10 code for Pernicious anemia: D51.0
The closest CDC title for "Pernicious anemia" is D51.0, Vitamin B12 deficiency anemia due to intrinsic factor deficiency. D51.0 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under D51, then other CDC titles that name vitamin b12 deficiency anemia due to intrinsic factor deficiency
A header groups codes and is not billed. A billable code is one you can report.
- D51Vitamin B12 deficiency anemiaHeader
- D51.0Vitamin B12 deficiency anemia due to intrinsic factor deficiencyBillable
- D51.1Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuriaBillable
- D51.2Transcobalamin II deficiencyBillable
- D51.3Other dietary vitamin B12 deficiency anemiaBillable
- D51.8Other vitamin B12 deficiency anemiasBillable
- D51.9Vitamin B12 deficiency anemia, unspecifiedBillable
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From D51. A note on a category applies to every code under it.
Related conditions
Related pages
- D51.0 code detailsNotes, nearby codes, CMS-HCC group
- Category D51Every code under it
- Chapter 3Diseases of the blood and blood-forming organs
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Pernicious anemia?
The closest CDC title for "Pernicious anemia" is D51.0, Vitamin B12 deficiency anemia due to intrinsic factor deficiency. D51.0 is a billable code.
Is D51.0 billable?
Yes. D51.0 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to D51.0?
The CDC tabular list gives 1 Excludes2 note (may be coded together when both are documented) for D51.0 and the categories above it. They are listed on this page.
What chapter is D51.0 in?
Chapter 3. Diseases of the blood and blood-forming organs.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.