Color tubes are what draws pro time. The tube is the color light blue.
draw tube holds the eyepiece or the ocular
Light blue
A light blue tube is typically used to draw blood for a prothrombin time (PT) test. This tube contains sodium citrate as the anticoagulant, which helps preserve the blood sample for accurate testing.
red tube
What color tube for blood draw for metal
A blue-top tube (citrate tube) is used for collecting blood samples for the activated partial thromboplastin time (APTT) test.
The tube color typically used for a prothrombin time (PT) blood test is a light blue-top tube containing sodium citrate as an anticoagulant.
For a HgA1c you would need a lavender top tube.
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.
A light blue top tube, containing sodium citrate, is typically used to draw blood for a prothrombin time (PT) test. The sodium citrate helps prevent blood from clotting by binding to calcium in the sample, enabling accurate assessment of blood clotting time.
A blue-top tube (sodium citrate) is typically used to collect blood samples for Prothrombin Time (PT) testing.
A green-colored tube is typically used to draw blood for lipase testing.