red
Ionized calcium is a green tube.
A lavender/purple-top tube is commonly used for calcium testing.
The recommended tube for calcium level testing is a lavender or royal blue top tube, as these tubes contain additives that preserve calcium levels effectively. It is important to follow the specific instructions provided by the laboratory where the testing will be conducted.
serum,tiger tube
green
I would use the semi-colored tube.
a lavender top tube
blue
red
gray
SST
tiger top