Specimen: 2 mL (1 mL min.) serum from 1 Red Top (No Additive) tube. Do not use SST gel barrier tubes. Ship refrigerated or frozen. Recommended specimen: just before the next dose is due at steady state. Stability (Room): 8 hrs Stability (Refrigerated): 48 hrs Stability (Frozen): 1 week Method: PETINIA Comment: Price: C ontact...



