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HelpEpic Test Code LAB3814 Meperidine (Demerol) and Normeperidine, serum
Additional Codes
LIS Code: MPRD
MML Code: FMEP
Reporting Name
Meperidine (Demerol)Performing Laboratory
Medtox Laboratories, Inc.Specimen Type
VariesSpecimen Required
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (sodium heparin) tube(s). Plasma gel tube is not acceptable. Spin down and send 3 mL of sodium heparin plasma refrigerated in a plastic vial.
Serum
Draw blood in a plain red-top tube(s). Serum gel tube is not acceptable. Spin down and send 3 mL of serum refrigerated in a plastic vial.
Specimen Minimum Volume
0.6 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Varies | Refrigerated (preferred) | 14 days | |
| Frozen | 180 days | ||
| Ambient | 72 hours |
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
Reference Values
Meperidine:
Reference Range: 400 - 700 ng/ml
Normeperidine: No reference range provided
Day(s) Performed
Monday through Sunday
CPT Code Information
80362
Clinical Information
Category: Narcotic Analgesic
Report Available
5 to 9 daysSpecimen Retention Time
2 weeksNY State Approved
YesMethod Name
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)