Results Flags (Partial list)
Capital letters indicate WBC related flags; lower-case letters indicate RBC
or PLT-related flags. For more details, consult your HM5 operator’s manual.
Flag Meaning Solution
E Empty sample Lower needle height
M,N Linearity error (WBC)
- cell concentration
too high
Prime lyse and repeat blank. View
manual smear to confirm high WBC
C,Q WBC clogging Run 3-5 self cleanings and enzymatic
cleaning
L Potential lyse resistant
RBCs in canine samples
Re-run sample at higher
lyse volume
X EOX blank high Check that Lyse2 is room tempera-
ture
Y EOS clogging Run 3 automated self cleanings and
repeat analysis
Z Noise in EOS measurement Check Lyse2 volume and
prime Lyse2 if needed
b RBC blank is high Clean wash head; run self cleaning;
bleach clean analyzer/tubes; change
reagents if necessary
c RBC/PLT clogging Ensure that reagents are room
temperature run self cleanings and
enzymatic cleanings
p PLT blank is high Clean wash head; repeat blank 2-3x;
run 5 cycle cleaning; run enzymatic
cleaning; bleach clean analyzer/tub-
ing; change reagent pack
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