Benzodiazepine,Confirmatory Urine, Qualitative
| Abbrev Code: | BENUQL | ||
| Order Code: | LAB6723 | Order Name: | Benzodiazepine Confirmatory Urine, Qual |
| Methodology: | Liquid chromatography/Tandem mass spectrometry | ||
| CPT Codes: | 80346 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Fri. Stat testing is unavailable for this test. | ||
| Compliance: | This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration. |
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Collection Instructions
| Specimen: | Urine, random collection |
| Optimal Volume: | Submit entire collection; analysis requires 10 mL |
| Container: | Plastic leakproof container, sterile |
| Causes for Rejection: | Preserved specimen. |
Processing and Shipping
| Specimen Processing: | Aliquot 20 mL, 10 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 3 days at room temperature. For longer storage, refrigerate or freeze. |
| Test Performed at or Referral Lab | Lab Sendouts (MedTox) |
| Referral Lab number: | 20396 |
Interpretive
| Reference Range: | Qualitative confirmation of analytes is performed by LC/MS/MS (high performance liquid chromatography/tandem mass spectrometry). Results greater than or equal to the confirmation threshold are reported as positive. Drugs Confirmation Threshold Desmethyldiazepam, oxazepam, Temazepam and Iorazepam 300 ng/mL Alprazolam and metabolite (alpha-hydroxyalprazolam) 100 ng/mL. |
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