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Methodology: High Pressure Liquid Chromotography with Ultraviolet Detection (HPLC-UV)
Edit Date: 4/2/2005
Performed: Monday-Friday
Released: 48-72 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 82491-90
Specimen Collection Details
Collection: One 5 mL red top tube. Do not use serum separator tube (SST). Also acceptable: Heparinized plasma.
Handling: Allow to clot, centrifuge and separate serum from cells and pour into a plastic vial. Refrigerate.
Stability: 72 hours ambient. Refrigerate or freeze for longer storage.
Standard Volume: 3 mL serum or plasma.
Minimum Volume: 0.6 mL serum or plasma.
Transport: Refrigerated.
Comments: Trough levels are most reproducible.
Rejection Criteria: Specimen drawn in serum separator tubes (SST).

50-900 ng/mL

PeaceHealth Laboratories