MEPERIDINE SCREEN, URINE WITH REFLEX TO CONFIRMATION

Specimen Required
Collect random urine. Mix well and send 10.0 mL urine (2.0 mL minimum) refrigerated in a screw-capped plastic urine container.

Rejection Criteria
Urine with preservative, Vacutainer cup

Methodology
Enzyme Immunoassay

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

Reference Range
Decision level: 200 ng/mL
Confirmation is automatically performed on all positive screens at an additional charge.

Performed
Monday, Tuesday, Thursday

Turnaround Time1-3 days
Test CodeUMEP5
CPT-4 Code (s)
80307, plus 80362 for positive confirm, at an additional fee
LOINC Codes
Meperidine:   3746-5  
Confirm for Meperidine:   16253-7  
Confirm for Normeperidine:   58389-8  
Creatinine:   2161-8  
Adulterants:   59061-2  

Warde
Medical
Laboratory