Please login to order a test.
Therapeutic drug management
Gas chromatography/nitrogen phosphorus detection (GC/NPD)
Serum or plasma
Serum or plasma should be separated from cells within two hours of venipuncture. Submit specimen in a plastic transport tube. Trough levels are most reproducible.
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection