Operating Your Analyzer
6-6
6.6 Sample Collection and Handling
z Samples, controls, calibrator and waste are potentially infectious. Wear
proper personal protective equipment (e.g. gloves, lab coat, etc.) and follow
safe laboratory procedures when handling them in the laboratory.
z Avoid direct contact with blood samples.
z Do not re-use disposable products.
z Use clean K
2
EDTA anticoagulant collection tubes, fused silica glass/plastic
test tubes and 20µL borosilicate
glass capillary tubes.
6.6.1 Whole Blood Samples
Collect and handle the whole blood sample as follows:
1. Collect venous blood with a K
2
EDTA (1.5 to 2.2mg/mL ) anticoagulant collection tube;
2. Rapidly and thoroughly mix the blood with the anticoagulant.
z You should collect at least 2mL venous blood sample.
z For the whole blood samples to be used for WBC differential or PLT count,
you shall store them at the room temperature and run them within 4 hours
after collection.
z If you do not need the PLT, MCV and WBC differential results, you can store
the samples in a refrigerator (2℃ to 8℃) for 24 hours. You need to warm the
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