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Beaumont Laboratory

Clorazepate Level

Tranxene, Gen-XENE, Novo-Clopate, Clorazepate Level (assayed as Nordiazepam), WARDE: NORDZ, EPIC: LAB5980, SOFT: XCLZP

Specimen Collection Criteria

Collect (preferred specimen): One plain Red-top tube.

Do not use Serum Separator Tubes.

Physician Office/Drawsite Specimen Preparation

Centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Min: 0.2 mL)

Rejection Criteria

  • Serum Separator (SST) tubes.
  • Specimens not collected and processed as indicated.

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 48 hours
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 14 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.

Laboratory

Sent to Warde Medical Laboratory, Ann Arbor, MI.

Performed

Monday, Wednesday, Friday.
Results available within 2-4 days.

Reference Range

100-1000 ng/mL.

Test Methodology

Quantitative Liquid Chromatography-Tandem Mass Spectrometry.

Interpretation

Clorazepate is assayed as Nordiazepam.

CPT Code

80346.

Test Codes

WARDE: NORDZ, EPIC: LAB5980, SOFT: XCLZP

Last Updated

07/16/2017

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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.