MEPERIDINE AND METABOLITE, SERUM/PLASMA

Test Documentation
Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate serum from cells and send 3.0 mL serum (1.2 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma: EDTA

Rejection Criteria
SST or PST

Methodology
Gas Chromatography (GC)

Stability
Room temperature: 7 days; Refrigerated: 14 days; Frozen: 14 days

Reference Range
By report

Performed
Tuesday, Thursday

Turnaround Time5-7 days
Test CodeMEPES
CPT-4 Code (s)
80362 (80299)
LOINC Codes
Meperidine   3745-7  
Normeperidine   10996-7  

Warde
Medical
Laboratory