red topped tube
that would be the Green Top Tube that contains sodium heparin this tube also is to draw ammonia.
Both time and temperature can decrease the vacuum draw of an evacuated tube. Hence the provided expiration dates and storage temperature of tubes. The vacuum of a tube will decrease if it is too old or if stored at a colder temperature than recommended.
Gray tube
red tube
because if it was heated in open air it would burn up
In the NHA book it is written that Green top tube is for STAT electrolytes.
What does the evacuation system
Red top evacuated tube
For a HgA1c you would need a lavender top tube.
red tiger top
red tiger top
red tiger top