Which of the following is good practice in regard to phlebotomy on patients with hemostasis testing ordered?
a. Make sure the patient is fasting.
b. Always draw the sodium citrate tube last.
c. Collect the blood in a glass syringe.
d. Use a 20- or 21-gauge needle.
ANS: D
For routine coagulation draws, a 20- or 21-gauge needle is used. The patient does not need to be fasting, the sodium citrate tube should be drawn first, and glass (syringe) should never be used for coagulation specimens because glass activates the contact phase.
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