D51.9

Billable

Vitamin B12 deficiency anemia, unspecified

Vitamin B12 deficiency anemia, unspecified

Status

Billable / Specific

Block

D50-D53

Parent Code

D51

ICD-11 Mapping

1 equivalent

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

Related Codes(5)
D51.0

Vitamin B12 defic anemia due to intrinsic factor deficiency

BillableD51.1

Vit B12 defic anemia d/t slctv vit B12 malabsorp w protein

BillableD51.2

Transcobalamin II deficiency

BillableD51.3

Other dietary vitamin B12 deficiency anemia

BillableD51.8

Other vitamin B12 deficiency anemias

Billable
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

3A01.ZMegaloblastic anaemia due to vitamin B12 deficiency, unspecifiedequivalentPrimary
Also Known As / Clinical Terms(109)

SNOMED CT

UMLS

Clinical Terms

  • Megaloblastic anemia due to cobalamin deficiency
  • Vitamin B12 deficiency anemia due to malabsorption with proteinuria
  • Megaloblastic anaemia due to impaired absorption of cobalamin
  • Imerslund-Grasbeck anaemia
  • Imerslund-Najman-Grasbeck syndrome
  • Vegan anaemia
  • Pernicious anaemia
  • Anemia cobalamin deficiency
  • Vitamin B12-deficient megaloblastic anaemia
  • Anemia vitamin B12 deficiency
  • Vitamin B12-deficient megaloblastic anemia
  • Imerslund-Grasbeck syndrome
  • Vitamin B<sub>12</sub> deficiency anemia
  • B12 deficiency anemia
  • Vitamin B>12< deficiency anemia
  • Biermer's congenital pernicious anaemia
  • Vitamin B<sub>12</sub> deficiency anaemia
  • Vitamin B12 deficiency anemia due to selective malabsorption of cyanocobalamin
  • Vitamin B>12< deficiency anaemia
  • Vegan's anaemia
  • Vitamin B12 deficiency anaemia due to selective malabsorption of cyanocobalamin
  • Vegan anemia
  • Imerslund's syndrome
  • Addisonian pernicious anaemia
  • Biermer's anemia
  • Biermer's congenital pernicious anemia
  • Imerslund-Grasbeck disease
  • Vitamin B12 deficiency anaemia due to dietary causes
  • Imerslund disease
  • Anaemia vitamin B12 deficiency
  • Pernicious anemia
  • Vegan's anemia
  • Anaemia B12 deficiency
  • Addison's anemia
  • Vitamin B12 deficiency anaemia
  • Biermer's anaemia
  • Megaloblastic anaemia due to vitamin B>12< deficiency
  • Biermer congenital pernicious anemia
  • Vitamin B12 deficiency anaemia due to malabsorption with proteinuria
  • Megaloblastic anaemia due to cobalamin deficiency
  • Addisonian pernicious anemia
  • Anemia B12 deficiency
  • Megaloblastic anemia due to vitamin B>12< deficiency
  • Vitamin B12 deficiency anemia due to dietary causes
  • Anaemia cobalamin deficiency
  • Anaemia B twelve deficiency
  • Imerslund-Grasbeck anemia
  • B12 deficiency anaemia
  • PA - Pernicious anaemia
  • Selective malabsorption of cyanocobalamin
  • Biermer congenital pernicious anaemia
  • Megaloblastic anemia due to impaired absorption of cobalamin
Frequently Asked Questions
What is the ICD-10 code for vitamin b12 deficiency anemia, unspecified?

The ICD-10-CM code for vitamin b12 deficiency anemia, unspecified is D51.9. The full clinical description is "Vitamin B12 deficiency anemia, unspecified". D51.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code D51.9 mean?

ICD-10-CM code D51.9 represents “Vitamin B12 deficiency anemia, unspecified”. It is classified under Chapter 3: Diseases of the Blood and Blood-Forming Organs and is a billable/specific code that can be used on a claim.

Is D51.9 a billable code?

Yes, D51.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is D51.9 in?

D51.9 is in Chapter 3: Diseases of the Blood and Blood-Forming Organs (codes D50-D89).

What codes cannot be used with D51.9?

D51.9 has Excludes1 notes indicating codes that cannot be used together with it, including: vitamin B12 deficiency (E53.8).

What SNOMED CT codes does D51.9 map to?

D51.9 maps to 7 SNOMED CT concepts: 84027009, 234362006, 234363001, 49472006, 234360003, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for D51.9?

D51.9 is linked to 1 UMLS Concept Unique Identifier: C2004521. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does D51.9 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like vitamin b12 deficiency anemia, unspecified affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of D51.9?

D51.9 maps to the ICD-11 code: 3A01.Z (Megaloblastic anaemia due to vitamin B12 deficiency, unspecified).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.