Test Details
Mnemonic
UCMPE
Ordering Code
3000027
CPT-4 Code(s)
80362 (G0480)
Specimen Information
Collect
Random urine
Specimen Preparation
Send 10.0 mL urine in a screw capped plastic urine container.
Minimum Volume
3.0 mL
Transport Temperature
Refrigerated
Rejection Criteria
Urine with preservative, urine catheter cup (with needle)
Stability
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Liquid Chromatography/Tandem Mass Spectrometry
Reference Range
Decision Level
Meperidine 5.0 ng/mL
Normeperidine 5.0 ng/mL
Meperidine 5.0 ng/mL
Normeperidine 5.0 ng/mL
Performing Laboratory
Warde Medical Laboratory