MEPERIDINE AND METABOLITE, URINE

Components
Confirmation for Meperidine and Normeperidine

Specimen Required
Send 10.0 mL urine (1.0 mL minimum) refrigerated in a screw-capped urine container.

Rejection Criteria
Urine with preservative, vacutainer cup

Methodology
Liquid Chromatography/Tandem Mass Spectrometry

Stability
Room temperature: 2 days; Refrigerated: 14 days; Frozen: 30 days

Reference Range
Test   Decision Level  
Meperidine   <5.0 ng/mL  
Normeperidine   <5.0 ng/mL  

Performed
Monday, Tuesday, Thursday

Turnaround Time1-3 days
Test CodeUCMEP
CPT-4 Code (s)
80362 (80299 or G0480)
LOINC Codes
Merperidine:   3747-3  
Normeperidine:   3869-5  

Warde
Medical
Laboratory