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Diagnosis Code

D51.9 VITAMIN B12 DEFICIENCY ANEMIA, UNSPECIFIED


Code Information

Diagnosis Code: D51.9

Short Description: Vitamin B12 deficiency anemia, unspecified

Long Description: Vitamin B12 deficiency anemia, unspecified

The code D51.9 is VALID for claim submission

Code Classification:

  • Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50–D89)
    • Nutritional anemias (D50-D53)
      • Vitamin B12 deficiency anemia (D51)
        • D51.9 Vitamin B12 deficiency anemia, unspecified

Code Version: 2022 ICD-10-CM


Synonyms

  • Biermer's congenital pernicious anemia
  • Megaloblastic anemia due to vitamin B>12< deficiency
  • Pernicious anemia
  • Pernicious anemia
  • Selective malabsorption of cyanocobalamin
  • Vegan's anemia
  • Vitamin B12 deficiency anemia due to dietary causes
  • Vitamin B12 deficiency anemia due to malabsorption with proteinuria

Diagnostic Related Group(s)

The code D51.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Red Blood Cell Disorders With Mcc (811)
  • Red Blood Cell Disorders Without Mcc (812)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
D51.9 Right Arrow 281.1 B12 defic anemia NEC

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
D51 Vitamin B12 deficiency anemia
D51.0 Vitamin B12 deficiency anemia due to intrinsic factor deficiency
D51.1 Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria
D51.2 Transcobalamin II deficiency
D51.3 Other dietary vitamin B12 deficiency anemia
D51.8 Other vitamin B12 deficiency anemias

This page was last updated on: 10/1/2023

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