ICD-10-CM
ICD-10 code for Vitamin B12 deficiency: E53.8
The closest CDC title for "Vitamin B12 deficiency" is E53.8, Deficiency of other specified B group vitamins. E53.8 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under E53, then other CDC titles that name deficiency of other specified b group vitamins
A header groups codes and is not billed. A billable code is one you can report.
Excludes1
Excludes1 means these codes are not reported together.
From E53. A note on a category applies to every code under it.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
Related conditions
Related pages
- E53.8 code detailsNotes, nearby codes, CMS-HCC group
- Category E53Every code under it
- Chapter 4Endocrine, nutritional and metabolic diseases
- 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 Vitamin B12 deficiency?
The closest CDC title for "Vitamin B12 deficiency" is E53.8, Deficiency of other specified B group vitamins. E53.8 is a billable code.
Is E53.8 billable?
Yes. E53.8 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 E53.8?
The CDC tabular list gives 2 Excludes1 notes (not coded together), 1 Excludes2 note (may be coded together when both are documented) for E53.8 and the categories above it. They are listed on this page.
What chapter is E53.8 in?
Chapter 4. Endocrine, nutritional and metabolic diseases.
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.