DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

D51 Vitamin B12 deficiency anemia

  • Header · not billable

D51 is not billable. The category heads 6 billable codes in FY2027: the 6 codes directly below it.

Index → code

  • Runeberg's disease → D51.0
  • Imerslund (-Gräsbeck) syndrome → D51.1
  • Lichtheim's disease or syndrome → D51.0

Where it sits

  1. Chapter 3 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
  2. D50-D53 Nutritional anemias (D50-D53)
  3. D51 Vitamin B12 deficiency anemia
Billable codes
6
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
52

Codes in D51

  1. D51.0
    Vitamin B12 deficiency anemia due to intrinsic factor deficiency
    Billable
    Inclusion terms 4

    Inclusion terms

    • Addison anemia
    • Biermer anemia
    • Pernicious (congenital) anemia
    • Congenital intrinsic factor deficiency
  2. D51.1
    Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria
    Billable
    Inclusion terms 2

    Inclusion terms

    • Imerslund (Gräsbeck) syndrome
    • Megaloblastic hereditary anemia
  3. D51.2
    Transcobalamin II deficiency
    Billable
  4. D51.3
    Other dietary vitamin B12 deficiency anemia
    Billable
    Inclusion terms 1

    Inclusion terms

    • Vegan anemia
  5. D51.8
    Other vitamin B12 deficiency anemias
    Billable
  6. D51.9
    Vitamin B12 deficiency anemia, unspecified
    Billable

Sources of each column.

Instructions

At D51

Excludes2

  • deficiency of other B group vitamins (E53-) E53

Notes that also apply

Chapter 3 instructions (Excludes2 9): printed on the chapter 3 page.

Index entries

  • Addison-Biermer anemia (pernicious) → D51.0
  • Biermer's (pernicious) anemia or disease → D51.0
  • Lichtheim's disease or syndrome → D51.0
  • Runeberg's disease → D51.0
  • Imerslund (-Gräsbeck) syndrome → D51.1
  • Addison'sanemia (pernicious) → D51.0
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)Addison (-Biermer) (pernicious) → D51.0
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)Biermer's (pernicious) → D51.0
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)combined system disease NEC → D51.0 [G32.0]
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)cytogenic → D51.0
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)malignant (progressive) → D51.0
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)pernicious (congenital) (malignant) (progressive) → D51.0
  • Congenitalintrinsic factor deficiency → D51.0
  • Disease, diseasedAddison's anemia (pernicious) → D51.0
  • Disease, diseasedBiermer's (pernicious anemia) → D51.0
  • Disease, diseasedLichtheim's (subacute combined sclerosis with pernicious anemia) → D51.0
  • Disease, diseasedPutnam's (subacute combined sclerosis with pernicious anemia) → D51.0
  • Disease, diseasedRuneberg's (progressive pernicious anemia) → D51.0
  • Glossitis (chronic superficial) (gangrenous) (Moeller's)Hunter's → D51.0
  • Hunter'sglossitis → D51.0
  • SyndromeDana-Putnam → D51.0
  • Syndromehunterian glossitis → D51.0
  • SyndromeLichtheim's → D51.0
  • SyndromePutnam-Dana → D51.0
  • Deficiency, deficienttranscobalamine II (anemia) → D51.2
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)vegan → D51.3
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)congenitalpernicious → D51.0
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)progressivemalignant → D51.0
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)progressivepernicious → D51.0
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)vitaminB12 deficiency (dietary) pernicious → D51.0
  • Deficiency, deficientintrinsicfactor (congenital) → D51.0
  • Degeneration, degenerativecombined (spinal cord) (subacute)with anemia (pernicious) → D51.0 [G32.0]
  • Myelopathy (spinal cord)in (due to)pernicious anemia → D51.0 [G99.2]
  • Neuropathy, neuropathicvitamin B12with anemia (pernicious) → D51.0 [G63]
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)due to (in) (with)selective vitamin B12 malabsorption with proteinuria → D51.1
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)megaloblastichereditary → D51.1
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)deficiencytranscobalamin II → D51.2
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)due to (in) (with)transcobalamin II deficiency → D51.2
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)combined system disease NECdue to dietary vitamin B12 deficiency → D51.3 [G32.0]
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)due to (in) (with)dietary vitamin B12 deficiency → D51.3

12 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

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