Laboratory Lab results are too important to go anywhere else.

Meperidine

Demerol, Dolantin

Test Codes

EPIC: LAB6094, Order as a Miscellaneous Send Out, NMS: 2610SP

Department

Send Outs

Specimen Collection Criteria

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

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 within two hours of collection. 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: 1.2 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 within two hours of collection. 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: 1.2 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): 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 NMS Willow Grove, PA.

Performed

Tuesday, Thursday.
Results available in 4-11 days.

Reference Range

By report.

Test Methodology

Gas Chromatography (GC).

Interpretation

By report.

Clinical Utility

Meperidine is indicated for the relief of moderate to severe pain. This assay is used for therapeutic and toxicity monitoring of meperidine.

CPT Codes

80362 (alternate code: G0480).

Contacts

Last Updated

10/3/2023