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Some people may experience mild discomfort or a slight sting when the needle is inserted, but the actual process of drawing blood should not be painful. It is normal to feel some pressure or a tugging sensation while the blood is being collected.
The blood for IGF-1 is typically drawn in a plain red-top tube.
A complete blood count (CBC) is typically drawn in a purple-colored blood tube, which contains the anticoagulant EDTA to preserve the sample and prevent clotting.
ANA blood is typically drawn in a purple or lavender-colored tube, which contains the anticoagulant ethylenediaminetetraacetic acid (EDTA) to prevent clotting.
An arterial blood gas (ABG) sample is typically drawn in a heparinized syringe, not a tube. The heparin coating prevents the blood from clotting, allowing for accurate analysis of blood gases.
Blood for a folate test is typically drawn in a lavender-top tube, which contains the anticoagulant EDTA. The lavender-top tube is used for collecting whole blood specimens for hematology testing.