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Alias Names: Adapin / Sinequan
Methodology: High Performance Liquid Chromatography / Tandem Mass Spectrometry (HPLC/MS/MS)
Edit Date: 11/16/2010
Components: Doxepin / Nordoxepin
Performed: Daily
Released: 24-48 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 80166-90 / 80299-90
Specimen Collection Details
Collection: One 5 mL red top tube. Also acceptable: One 4 mL lavender top tube (EDTA), 4 mL green top tube (heparin), or 4 mL grey top tube (potassium oxalate/sodium fluoride). Do not use serum separator tube (SST) or plasma separtor tube (PST).
Handling: Allow to clot, centrifuge and separate serum or plasma from cells onto a plastic vial. Refrigerate.
Stability: 5 days ambient, 14 days refrigerated, or 6 months frozen.
Standard Volume: 2 mL serum or plasma.
Minimum Volume: 0.5 mL serum or plasma.
Transport: Refrigerated.
Rejection Criteria: Use of SST or PST.

Reference Range:
Doxepin and Nordoxepin 100-300 ng/mL
Toxic >400 ng/mL

PeaceHealth Laboratories