7 1 2 the most commonly used tube types for serum collection are non red top tube with no anticoagulant or sst serum separator tube with clot activator and polymer separation gel for serum separation.
Marble top serum separator blood draw sample.
These include red top collection tubes with serum separator grey top tubes with a fluoride glycolysis inhibitor and heparin containing green top tubes which prevent clot formation.
These tubes are used to separate the blood cells from the serum.
Contain spray coated silica and a polymer gel for serum separation.
The majority of samples require separation of plasma from cells within two hours of collection.
As part of a quality assurance project we investigated whether glucose levels differed in the three tube types from each of 18 volunteers on a prolonged standing of 4 hours.
One tube has a gold stopper and the other has a red gray marble stopper.
Trademarked versions include covidien corvac tubes.
How these phlebotomy tubes are used follow the order of draw.
Gently mix the blood collection tube by inverting 8 10 times immediately after collection.
The tube must be inverted five times following blood collection.
Sterile sst brand tube with inert clot activator determinations that require serum in chemistry or infectious disease testing.
It contains a gel that effectively separates the cells from the serum when run through centrifugation.
Collect in an appropriate collection tube.
These tubes have a clot activator on the glass and a polymer gel as the separator.
Centrifuge for at least 15 minutes at 2200 2500 rpm.
Serum separator tubes also have red stoppers but with a yellow ring on top.
Draw whole blood in an amount 2 times the required volume of serum so that a sufficient amount of serum can be obtained.
There are two kinds of sst tubes.
Tubes marked as best practice formulary meet demanding requirements of complex diagnostic instruments and current clinical guidelines.
Sps tubes have a paler colour sometimes leading confusion.
7 1 3 there are several tube types that may be used for serum collection depending on the.
Draw a sufficient amount of blood with the indicated anticoagulant to yield the necessary plasma volume.
Hemogardtm gold top conventional red gray marble.
Plastic tube 13 x 100 16 x 100.
These are known as yellow tops not gold.
Marble top tubes are also referred to as tiger tops in some clinics.
Gel separates serum from cells.
When plasma is required or when not using a serum gel separator tube follow these instructions.
They contain a special gel that separates blood cells from serum as well as particles to cause blood to clot.
5 0 ml 8 5 ml.
