Oxcarbazepine or Eslicarbazepine Metabolite (MHD)
Label Mnemonic: OXCBZ
Epic code: LAB484
Downtime form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Commercial Mailout Laboratory
6240-8 RCP
356-8593
Specimen(s):
Serum
Specimen Instructions:
Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Collection Medium:
Red top tube 5 mL (Clot Activator)
Minimum:
Preferred Minimum: 1 mL serum
Absolute Minimum: 0.5 mL serum
Rejection Criteria:
Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).
Delivery Instructions:
Deliver to laboratory within 1 hour of collection.
Turn Around Time:
3 days upon receipt at reference laboratory
Reference Range:
Therapeutic Range:  3 - 35 μg/mL
Toxic:              > 40 μg/mL
Interpretive Data:
Assayed as the monohydroxy metabolite (MHD). No critical range has been established.
Methodology:
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
CPT Code:
80183