Red top tube would be used. This color tube is also used for kidney and liver function tests, electrolytes(Na, K, Cl, C02), sometimes glucose and also iron levels.
LFT (Liver Function Test) is usually drawn in a gold or tiger top tube which contains a gel separator. This tube is used to separate serum from the blood cells after it has been centrifuged, making it easier for the lab to analyze the serum components for liver function.
LFT (Liver Function Test) should be collected in a red or gold/yellow test tube, which signifies a tube containing a gel separator and clot activator. Red and gold/yellow are the commonly used colors for tubes that contain clot activator and gel separator for serum separation.
serum,tiger tube
green
I would use the semi-colored tube.
a lavender top tube
blue
red
red
gray
SST
tiger top