9CALIBRATION / TO USE THE 10 µL MINIPET PIPETTE
Cholestech GDX Analyzer User Manual
8 TO RUN A CHOLESTECH GDX AIC TEST / DISPLAYING RESULTS IN MEMORY / CALIBRATION
Cholestech GDX Analyzer User Manual
To Run a Cholestech GDX A1C Test
Displaying Results in Memory
Refer to the Cholestech GDX A1C Test Cartridge package insert
which is in each pack of test cartridges or use the Cholestech GDX
Quick Reference Guide supplied with the analyzer.
Press the “left” arrow to select the unique identification (ID)
number for the result required.
Press the “enter” button. The stored result will be displayed.When this
value has been written down, press the “enter” button once more.
You may find another result from the memory in the same way.
Return to the Insert and Cartridge icons by moving up the stored
results until the last ID number has been shown on the display.
Note: To exit rapidly from the memory, press the “left” and “right”
arrow buttons simultaneously.
The Cholestech GDX Analyzer and A1C Test Cartridges have been
manufactured to deliver an A1C result. This is calibrated to the
recommendations of the Diabetes Control and Complications
Trial (DCCT). This result is traceable to the NGSP (National
Glycohemoglobin Standardization Program), an internationally
accepted method of standardization. The DCCT was a landmark
multicenter clinical study which conclusively linked elevated A1C
levels to the complications associated with diabetes. The result of
the test can be used by your doctor to monitor your disease.
Traceability of Values
The Cholestech GDX Analyzer and A1C Test Cartridges have been
manufactured to deliver an A1C result. Values have also been
assigned using materials supplied by the IFCC network.
3
Users may
Calibration
convert their DCCT values to IFCC values using the following equation:
GDX IFCC values= 1.1218 x GDX DCCT value - 2.684.
This equation was derived by Provalis Diagnostics Ltd. specifically
for the GDX test using IFCC calibrated reference materials and was
shown to to have a correlation coefficient of r= 0.99.
To Use the 10 µL MiniPet
™
Pipette
Use this procedure to apply a venous whole blood sample or control
sample to the red-capped sample tube of the Cholestech GDX A1C
Test Cartridge.
• Firmly attach a pipette tip to the end of the 10 µL
MiniPet Pipette.
• To fill the pipette, push the plunger down as far as you can.
Place the pipette tip into the blood or quality control sample
and slowly release the plunger. Do not allow air to be drawn
into the tip.
• Place the pipette tip into the liquid of the red-capped
sample tube. Dispense the sample into the sample tube
by pressing the plunger again. Move the pipette tip out
of the liquid before releasing the plunger.
• Remove the pipette tip and discard it in a biohazard
waste container.
Note: If the plunger is released before the pipette tip is out of the
liquid, it will remove some of the sample just dispensed.
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