ICD-10-CM code "D51": Vitamin B12 deficiency anemia (2024)

Excludes

1. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

   Type 2autoimmune disease (systemic) NOS (M35.9)

   Type 2certain conditions originating in the perinatal period (P00-P96)

   Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

   Type 2congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

   Type 2endocrine, nutritional and metabolic diseases (E00-E88)

   Type 2human immunodeficiency virus [HIV] disease (B20)

   Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

   Type 2neoplasms (C00-D49)

   Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

2. Nutritional anemias (D50-D53)
3. Vitamin B12 deficiency anemia (D51)

   Type 1vitamin B12 deficiency (E53.8)

Includes

1. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
2. Nutritional anemias (D50-D53)
3. Vitamin B12 deficiency anemia (D51)

Subcategories

• Vitamin B12 deficiency anemia due to intrinsic factor deficiency (D51.0)
• Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria (D51.1)
• Transcobalamin II deficiency (D51.2)
• Other dietary vitamin B12 deficiency anemia (D51.3)
• Other vitamin B12 deficiency anemias (D51.8)
• Vitamin B12 deficiency anemia, unspecified (D51.9)