Suspect Cellular Interference (Nrcell, Nc) - Siemens ADVIA 2120 Operator's Manual

Retic Scatter Abs Cytogram
Results Flagged
%RETIC, #RETIC, CHg, CHr, CHCMg, CHCMr, CHDWr, CHDWg, MCVg,
MCVr, RDWg, RDWr
Corrective Action
The following list may not contain all conditions that could cause this flag, nor is
there any intention to associate the flag with specific diagnoses.
•
Aged blood
•
Sickle cell anemia

Suspect Cellular Interference (NRCELL, NC)

Definition
The Suspect Cellular Interference flag is triggered by of the possible presence of
unlysed red blood cells. The flag is raised when the Peroxidase channel WBC
count (WBCP) is greater than the Basophil/Lobularity WBC count (WBCB) by
more than the specified limit.
Results Flagged
#NRBC, %NRBC, WBC, %NEUT, #NEUT, %LYMPH, #LYMPH, %MONO,
#MONO, %EOS, #EOS, %BASO, #BASO, %LUC, #LUC
Both the NRBC Enumeration histogram and Noise-lymph histogram often show
no valley separating Noise events from the nRBC population or the nRBCs from
lymphocytes.
Flags
Normal
6-49