Collect blood in an 8-10 mL plain red top tube.
An 8-10 mL green top tube is also acceptable for this assay, but not preferred.
Separate serum from cells immediately by centrifuge and aliquot into a labeled polypropylene or similar plastic tube.
Use a separate tube for each test ordered. Allow room for expansion of sample.
Freeze at -70°C if possible, but at minimum -20°C.
Preferred volume: 2 mL of serum (or plasma).
Minimum volume: 0.5 mL serum or plasma
Severe hemolysis, thawed samples for greater than 6 hours
Fully complete PK requisition, including drug dose amount, frequency, method, and date and time of last dose prior to draw.
Ship samples via overnight delivery on >3 lbs of dry ice.
Up to 6 hours at room temperature. Thereafter, freeze at -70°C if possible, but at minimum -20°C.
Ship samples to be received Monday through Friday. Do not ship on Friday or Saturday. For shipping and detailed collection instructions, click here.
Within 7 days
GC/MS (cycloSERINE level);Seromycin (cycloSERINE level);Pharmacokinetics (cycloSERINE level);Mycobacteria (cycloSERINE level);CSH