Lab Test

Triazolam Level

Halcion®

Test Codes

NMS: 4543SP, Order as a Miscellaneous Send Out.

Specimen Collection Criteria

Collect: One plain Red-top tube.

Do not use Serum Separator Tubes.
Time of draw: 1-1.5 hours after dose (Peak).

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. 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). (Minimum: 0.3 mL)

Rejection Criteria

Serum Separator (SST) tubes.

Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.3 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 14 days
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 Send Outs Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT, forwarded to National Medical Services (NMS), Willow Grove, PA.

Performed

Monday – Friday.
Results available in 4-7 days.

Reference Range

By report.

Test Methodology

High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS).

Clinical Utility

Triazolam is indicated for the short-term treatment of insomnia (generally 7-10 days). This assay is used for the therapeutic monitoring and toxicity assessment of triazolam.

CPT Codes

80346

Contacts

Last Updated

4/10/2021

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