SYSMEX XP Series - System Limits

Sysmex XP-300 14-7
Technical Information
January 2012
14.2 System limits
Possible sample interferences
WBC
If any of the following is present, the system may erroneously report a low white blood cell count.
• Leukocyte aggregation
If any of the following is present, the system may erroneously report a high white blood cell count.
• Possibility of PLT clumps
• Lyse resistant erythrocytes
• Erythrocyte aggregation (cold agglutinin)
• Cryoprotein
• Cryoglobulin
• Fibrin
• Giant platelets (platelets > 1,000,000/µL)
RBC
Where the following are present, the system may erroneously report a low red blood cell count.
• Erythrocyte aggregation (cold agglutinin)
• Microerythrocytes
• Possibility of fragmented RBCs
If any of the following is present, the system may erroneously report a high red blood cell count.
• Leukocytosis (> 100,000/µL)
• Giant platelets (platelets > 1,000,000/µL)
HGB
If any of the following is present, the system may erroneously report a high haemoglobin concentra-
tion.
• Leukocytosis (> 100,000/µL)
• Lipemia
• Abnormal protein