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| 85460:LORAZEPAM (ATIVAN) LEVEL | |||||||||
| Methodology: | High Performance Liquid Chromatography (HPLC) | ||||||||
| Edit Date: | 11/16/2009 | ||||||||
| Performed: | Monday, Thursday | ||||||||
| Released: | 1-4 days after setup at PeaceHealth Laboratories’ reference lab | ||||||||
| CPT Code: | 80154-90 | ||||||||
| Specimen Collection Details | |||||||||
| Collection: | One 5 mL red top tube. Do not use separator tubes (SST or PST) and gels. Also acceptable: One 4 mL green top tube (heparin), one 4 mL lavender top tube (EDTA), or one 4 mL grey top tube (potassium oxalate/sodium fluoride). | ||||||||
| Handling: | Centrifuge and separate serum or plasma into a plastic vial. | ||||||||
| Stability: | 12 hours ambient, 5 days refrigerated, or 2 weeks frozen. | ||||||||
| Standard Volume: | 2 mL serum or plasma. | ||||||||
| Minimum Volume: | 1.2 mL serum or plasma. | ||||||||
| Transport: | Refrigerated. | ||||||||
| Rejection Criteria: | Use of separator tubes (SST or PST) and gels. | ||||||||
| Dose-related Range: | |||||||||||||||||||
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50-240 ng/mL – Based on dosages up to 10 mg/d
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Toxic:> 300 ng/mL
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