Quick Reference Guide 1-5
1.3 Guidelines for Obtaining and Using Samples
Follow these guidelines carefully in preparing the reagent rotor, and in obtaining and using sam-
ples.
Step 1: Prepare the Reagent Rotor
Note: Use only powder-free gloves, to keep powder off of analyzer optics.
■ Use only reagent rotors that have not expired, as noted on the pouch and box.
The VetScan VS2 Analyzer automatically rejects expired rotors.
■ Do not remove the rotor from the refrigerator until you are ready to run the analy-
sis.
■ Use the rotor within 20 minutes of opening its pouch. Do not attempt to reseal the
rotor in its pouch for later use.
■ Do not drop the rotor. This could crack the
rotor or shatter its reagent beads, which can
cause errors and potential rotor cancellations.
■ Handle the rotor only by its edges as shown
at right. Fingerprints on the rotor can inter-
fere with analyte measurements.
Step 2: Obtain a Sample
Sample Types
■ Whole blood samples: Use only lithium heparin test tubes (green top).
■ Plasma samples: Obtain these from whole blood samples (lithium heparin).
■ Serum: Obtain from a sample placed in a red top test tube.
Note: Do not use EDTA (lavender top test tube) for any samples to be
tested on the VetScan VS2 Chemistry Analyzer.
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