Red top tube DO NOT USE SST TUBE
2.3 mL serum
Collect specimen in red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial and freeze within 2 hours of collection.
Collect specimen in red top tube; do not use SST tube. Send to Specimen processing in a green bag. Must be spun and frozen within 2 hours of collection.
Monday, Wednesday
3 - 8 days
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS).
Monitoring of fentanyl therapy.
Test sent to Mayo Clinic Laboratories.
80354
21581
SST tube not acceptable.