WBC calculations - 1
Formulas for WBC calculations in #WBCs/mm3:
WBC = (#WBCs/4 “W” sections)(DCF)(VCF)
WBC = (#WBCs/4 “W” sections)(dilution)
                   area counted x depth
Example:
Following counts obtained in 4 “W” sections both sides:
35
Must not vary by more than 10
40
36
30
45
40
35
38
Must not vary by more than 10
Must not vary by more than 15
141
158
AVG /4”W” = 149.5