D51.9

D51.9: Vitamin B12 deficiency anemia, unspecified

Billable / specific codeICD-10-CM

D51.9 is a billable, specific ICD-10-CM code for vitamin b12 deficiency anemia, unspecified. It is valid for submission on a claim.

Check D51.9 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above D51.9

Not part of this code, but both may be coded when both are present.

Written on D51: Vitamin B12 deficiency anemia

deficiency of other B group vitamins (E53-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

D51.9 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56416Billing and Coding: Assays for Vitamins and Metabolic Function
A56675Billing and Coding: Homocysteine Level, Serum
A57755Billing and Coding: Vitamin B<sub>12</sub> Injections

Alphabetic index entries that lead here

Anemia›deficiency›vitamin B12 NOS
Degeneration, degenerative›combined›in›vitamin B12 deficiency›anemia

Code history

Unchanged in every release from FY2024 to FY2027.