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HelpOrder Code OMHC (Trileptal) Oxcarbazepine Metabolite, Serum
Additional Codes
| Mayo Test ID |
|---|
| OMHC |
Reporting Name
Oxcarbazepine Metabolite (MHC), SUseful For
Monitoring serum concentration during oxcarbazepine therapy
Assessing compliance
Assessing potential toxicity
Specimen Type
Serum RedSpecimen Required
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Collection Container/Tube: Red top (serum gel/SST is not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Collect specimen immediately before next scheduled dose.
2. Within 2 hours of collection, centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum Red | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Reference Values
Oxcarbazepine metabolite: 10-35 mcg/mL
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Day(s) Performed
Monday through Saturday
Method Name
High-Turbulence Liquid Chromatography Mass Spectrometry (HTLC-MS/MS)
CPT Code Information
80183
Method Description
The serum sample is diluted in acetonitrile containing internal standard. The protein precipitate is centrifuged, and a portion of the supernatant is diluted with mobile phase for detection by a tandem mass spectrophotometer.(Unpublished Mayo method)
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Neurology Specialty Testing Client Test Request (T732)
-Therapeutics Test Request (T831)