For tumor markers, the appropriate tube color is typically a gold or tiger-top tube, which contains a gel separator and is used for serum testing. In some laboratories, a red-top tube may also be acceptable for serum samples. Always check specific laboratory guidelines, as practices can vary by facility.
Either an SST or Red-top tube.
blue top
The tube for troponin is typically a red-top tube.
The tube top color for an acid phosphatase blood test is lavender.
a lavender top tube
blue top
blue top
purple top.
Green top
purple top.
The color of the top tube for HgA1C blood test is lavender. This type of tube contains EDTA as an anticoagulant additive to prevent blood coagulation.
A lavender top tube is used for collecting whole blood specimens for analysis in hematology. The color of the tube top is a standardization for identifying the type of additive present in the tube for proper sample processing.