phlebotomy order of draw and tube additives

In medicine venipuncture or venepuncture is the process of obtaining intravenous access for the purpose of venous blood sampling also called phlebotomy or intravenous therapyIn healthcare this procedure is performed by medical laboratory scientists medical practitioners some EMTs paramedics phlebotomists dialysis technicians and other nursing staff. They are listed by chemical additives that have been introduced to the tube by the manufacturer to perform a specific function when mixed with the blood.

Order Of Draw Beaumont Laboratory Order Of Draw Phlebotomy Study Medical Laboratory Technician

There are seven tubes which make up the order of draw.

. Place tube in magnetic separation device for 5 to 10 min to draw beads to the side of the tube. This temperature is usually acceptable for short-term storage although this may not be universally true. If no specific additives are indicated maintain blood sample aseptically at room temperature until needed.

Gently remove the PBS by. Allow blood to clot for 30 minutes. NOTETubes with additives must be thoroughly mixed.

Centrifuge for 10 minutes. The main site to draw blood is. In phlebotomy this term has special meaning as it is the order in which certain tubes can be used.

To obtain 4 mL serum draw at least a full 10mL tube. If a serum separator tube is drawn invert tube 5 times. Erroneous test results may be obtained when the blood is not thoroughly mixed with the additive.

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Preferred venous access sites and factors to consider in site selection and ability to differentiate between the feel of a vein tendon and artery. With the awareness that the goal is a suitable rather than a quick phlebotomy. Order of draw for multiple tube phlebotomy.

And it is disadvantageous as the drawn blood has to be successively dispensed into the tubes containing the specific additives. The evacuated-tube system is a more recent device. Draw blood in a serum separator tube or plain red top containing no additives.

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