ARUP's Laboratory Test Directory

Oxcarbazepine Metabolite : 0098834

Mnemonic: OXCARB

Methodology: Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed: Sun-Sat
Reported: 1-2 days
Specimen Required: Collect: Plain red. Also acceptable: Lavender (K2 or K3EDTA) or pink (K2 EDTA).

Specimen Preparation: Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).

Stability (collection to initiation of testing): After separation from cells: Ambient: 6 weeks; Refrigerated: 6 weeks; Frozen: 3 months (avoid repeated freeze/thaw cycles)
Reference Interval:
Therapeutic Range:
15-35 µg/mL
Interpretive Data: Assayed as the monohydroxy metabolite (MHD). No critical range has been established. 
CPT Code(s): 80299
Cross References: 10-OH-Carbazepine (MHD) (Oxcarbazepine Metabolite), 11-Dihydrocarbamazepine (Oxcarbazepine Metabolite), GP 47680 (Oxcarbazepine Metabolite), Monohydroxy Carbamazepine (MHD) (Oxcarbazepine Metabolite), Oxcarbazepine Metabolite, 10-Hydroxy-10 (Oxcarbazepine Metabolite), Trileptal (Parent Pro-Drug) (Oxcarbazepine Metabolite)