Reticulocytes - 5
Example:
         # retics                 x  100
total RBCs counted
  35      x  100
1000
1.8%
Retics corrected =
Pt’s Hct   x
     45
23 X
45
Retics corrected =
Retics corrected =
Reticulocyte Production Index (RPI)
 corrected retics  
maturation time
 1.8
2.5
0.7%
=
=