There are many causes of normocytic, normochromic anemia. It helps to use an organizing framework that sorts causes into big, then smaller buckets:
- Hypo- vs. hyperproliferative
- Hyperproliferative:
- Bleeding
- Hemolysis
- Hypoproliferative:
- Nutrition
- B12 deficiency
- Folate deficiency
- Fe deficiency
- Inflammation
- Organ dysfunction
- Liver
- Kidney
- Endocrine
- Bone marrow (BM)
- Nutrition
- Hyperproliferative: