1
Q
Reportable Parameters (APL, DL)
A
RBC
PLT
WBC
Hgb
MCHC
MCV
HCT
RDW
(WBC Diff)
(Retic)
(nRBC)
2
Q
Sample type
A
EDTA
No clots
3
Q
Total vote out
A
2/3 counts dont match
4
Q
Partial vote out
A
1/3 counts dont match
5
Q
Coincidence
A
more than one cell passing through the aperature at once
6
Q
Aperature diameter
A
Smaller for RBC and PLT
Larger for WBC
7
Q
Protein build up
A
can make the aperature diameter smaller, slowing the flow of cells
False low cell counts
False high cell size
zapping or cleaning
8
Q
Carry over
A
Inadequate rinsing between runs
sample with high counts
- additional rinsing
9
Q
Cell orientation
A
Hydrodynamic focusing helps to align cells properly
