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Signs of Regenerative Anemia
Signs of Nonregenerative Anemia
Reticulocytosis >60,000 or >1%
Reticulocytosis <60,000 or <1%
Macrocytosis (increased MCV)
Microcytosis (decreased MCV)
Nucleated RBCs (nRBC)
Normocytic (normal MCV)
Polychromasia
Lack of response in 3–5 days
Hypochromia (decreased MCHC)
Normochromia (normal MCHC)
MCHC, mean corpuscular hemoglobin concentration; MCV, mean cell volume