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HelpTest Code OMHC Oxcarbazepine Metabolite, Serum
Reporting Name
Oxcarbazepine Metabolite (MHC), SUseful For
Monitoring serum concentration during oxcarbazepine therapy
Assessing compliance
Assessing potential toxicity
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Serum RedSpecimen Required
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. Centrifuge and aliquot serum into plastic vial within 2 hours of collection.
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 |
Reference Values
Oxcarbazepine metabolite: 10-35 mcg/mL
Day(s) and Time(s) Performed
Tuesday through Saturday; 12 a.m.
Saturday; 1 p.m.
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
80183
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| OMHC | Oxcarbazepine Metabolite (MHC), S | 31019-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 81030 | Oxcarbazepine Metabolite (MHC), S | 31019-3 |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Method Name
High-Turbulence Liquid Chromatography Mass Spectrometry (HTLC-MS/MS)
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)