Siemens ADVIA 2120 Operator's Manual page 155

Perox Cytogram
The PX-NO (NX) flag is not triggered if agreement between the baso and perox
results is indicated by both the following conditions:
•
WBCB and WBCP agree within specified limits (No WBC-CE flag)
•
[(%NEUT + %EOS) - %PMN] is between 0 and 7.5The Noise area is located
in the lower left corner of the Perox cytogram (
Results Flagged
WBCP, %NEUT, #NEUT, %LYMPH, #LYMPH, %MONO, #MONO, %EOS,
#EOS, %LUC, and #LUC
Corrective Action
Multiple occurrences of this flag, especially for consecutive samples, can indicate
a system problem. However, isolated instances of this flag are usually sample
related.
The following list of sample-related causes may not contain all conditions that
could cause this flag. There is no intention to associate the flag with specific
diagnoses.
Flags
Normal
1 Noise area
PX-NO
Perox Cytogram
).
1
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