Abbrev Code:OXC   
Order Code:LAB1144Order Name:Oxcarbazepine Level
Synonyms:Trileptal; Hydroxycarbazepine; 10-Hydroxycarbazaepine; Eslicarbazepine
Methodology:Quantitative liquid chromatography
CPT Codes: 80183 x1, 80183 x1
Turnaround Time:Specimens are sent to the reference laboratory Sun-Sat; results are reported within 1-3 days.

This test uses a manufacturer labeled Analyte Specific Reagent (ASR) as the reagent providing the specificity of the assay. The test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Red (no gel)
Alternate Containers: Purple (EDTA)
Collection Instructions:Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Causes for Rejection:Whole blood. Gel separator tubes, light blue (citrate) or yellow (SPS or ACD solution)

Processing and Shipping

Specimen Processing:Separate serum/plasma from cells within 2 hours of collection. Centrifuge and aliquot 1 mL, 0.5 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation of cells: 6 weeks at room temperature or refrigerated; 3 months frozen (avoid repeated freeze/thaw cycles).
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:0098834


Critical Range:Toxic: Greater than 40 μg/mL
Therapeutic Range:3-35 μg/mL
Use:This test measures monohydroxyoxcarbazepine (MHD). Adverse effects may include dizziness, fatigue, nausea, headache, somnolence, ataxia and tremor.

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