What collection tube is used for collecting blood for Prostate Specific Antigen test?

For a Prostate Specific Antigen (PSA) test, blood is typically collected in a serum separator tube (SST), which contains a gel that facilitates the separation of serum from the blood cells after centrifugation. The most common color for this tube is gold or red with a gray top. It's important to follow specific collection guidelines to ensure accurate test results.