Specimen Collection Requirements
Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube
Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum from cells ASAP.
Grossly hemolyzed specimens or plasma
AFTER SEPARATION FROM CELLS: Ambient (20-25°C): 8 hours; Refrigerated (2-8°C): 48 hours; Frozen (at or below -20°C): 2 months
Testing Information
Chemiluminescent Immunoassay
Samaritan Health Services Laboratories-GSRMC
Reference Values
Non-Smokers: 0-3.8 ng/mL
Smokers: 2.6-5.0 ng/mL
Last Updated:
Thursday, January 5, 2017 03:42:02 AM