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Glutethimide Level

Doriden^®

Test Codes

NMS: 9443SP, Order as a Miscellaneous Send Out.

Department

Send Outs

Specimen Collection Criteria

Collect (preferred specimen): Two plain Red-top tubes.
Also acceptable: Three Lavender-top EDTA tubes.

Do not use Serum Separator Tubes.
Time of Collection: Trough, just prior to the next dose.

Physician Office/Draw Specimen Preparation

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

Preparation for Courier Transport

Transport: 3.0 mL serum or plasma, refrigerated (2-8°C or 36-46°F). (Minimum: 1.4 mL)

Rejection Criteria

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

In-Lab Processing

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

Transport: 3.0 mL serum or plasma, refrigerated (2-8°C or 36-46°F). (Minimum: 1.4 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 1 year

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.
Results available in 4-11 days.

Reference Range

By report.

Test Methodology

Gas Chromatography.

Interpretation

By report.

Clinical Utility

Glutethimide is a nonbarbiturate sedative-hypnotic. This assay is used to monitor the therapeutic drug level and evaluate toxicity of glutethimide.

CPT Codes

80307

Contacts

Last Updated

10/3/2023