D51.1

D51.1: Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria

Billable / specific codeICD-10-CM

D51.1 is a billable, specific ICD-10-CM code for vitamin b12 deficiency anemia due to selective vitamin b12 malabsorption with proteinuria. It is valid for submission on a claim.

Check D51.1 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Imerslund (Gräsbeck) syndrome
Megaloblastic hereditary anemia

Excludes2 inherited from the categories above D51.1

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

D51.1 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56416Billing and Coding: Assays for Vitamins and Metabolic Function
A56464Billing and Coding: Flow Cytometry
A56675Billing and Coding: Homocysteine Level, Serum
A57755Billing and Coding: Vitamin B<sub>12</sub> Injections

Alphabetic index entries that lead here

Imerslund syndrome(-Gräsbeck)
Anemia›due to›selective vitamin B12 malabsorption with proteinuria
Anemia›megaloblastic›hereditary
Anemia›deficiency›vitamin B12 NOS›due to›selective vitamin B12 malabsorption with proteinuria

Code history

Unchanged in every release from FY2024 to FY2027.