Normal Values
Normal number of leukocytes in adults:
4.5
– 11.5 x 109/L
Variation in
count by age:
Neonates:
2-4
days:
5-7
days:
8
years:
9.0
– 37.0 x 109/L
Adults:
Relative
cell count:
Absolute
cell count:
8.0
– 24.0 x 109/L
5.0
– 21.0 x 109/L
4.5
– 13.5 x 109/L
4.5
– 11.5 x 109/L
Relative
versus absolute cell counts:
Expressed
as a percent of cells counted (#/100 x 100)
Expressed
as total number of cells counted (%/100 x WBC)