Meperidine and Normeperidine

Abbrev Code:XMISC   
Order Code:LAB4909Order Name:Meperidine and Normeperidine
Methodology:Liquid Chromatography/Tandem Mass Spectrometry
CPT Codes: 80362 x1
Test Includes:Meperidine and normeperidine.
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 5 days.

Collection Instructions

Optimal Volume:6 mL
Minimum\Peds Volume:1.2 mL
Container:Red (no gel)
Alternate Containers: Green (lithium heparin, no gel), Green (sodium heparin, no gel)
Collection Instructions:Usual sampling time is immediately prior to next dose (trough).

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 3 mL, 0.6 mL minimum.
Shipping Instructions:Ship at room temperature.
Stability:3 days at room temperature; for longer storage, refrigerate or freeze.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:67


Reference Range:Meperidine: 400-700 ng/mL
Use:Therapeutic monitoring and assess toxicity.

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