Reticulocytes - 4
Example:
Patient data:
RBC = 2.50 x 1012/L
WBC = 25.0 x 109/L
Hb = 7.5 g/dL
Hct = 23% or 0.23 L/L
35 retics counted in 1000 RBCs
Retics % = 
         # retics                 x  100
total RBCs counted
Retics % = 
  35      x  100
1000
= 3.5%