Allow Red Top tube contents to clot in an upright position for at least 60 minutes.
Centrifuge within 2 hours of collection.
Label a plastic transport tube with two identifiers. Acceptable identifiers include patient’s name, date of birth, social security number, requisition number, and medical record number.
Label the tube as serum from Red Top tube.
Transfer serum to the tube and freeze – send this in a separate tube if other tests are ordered.
Storage Requirements
Frozen Specimens are stable if frozen for 2 months.