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Labcorp Oklahoma, Inc.
Test Directory


Index:

Oxcarbazepine as Metabolite, Serum or Plasma

Order Name TRILEPTAL
Test Number: 3638130
Revision Date 12/12/2022
Test Name Methodology LOINC Code
Oxcarbazepine as Metabolite, Serum or Plasma
Quant Liquid Chromatography-Tandem Mass Spectrometry 31019-3 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.3 mL) Serum Clot Activator (Red Top, No-Gel) Room Temperature
Alternate 1 1 mL (0.3 mL) Plasma EDTA (Lavender Top) Room Temperature
Instructions Specimen Type: Red-top tube, lavender-top (EDTA) tube, or green-top (heparin) tube. Do not use a gel-barrier tube. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant.
Specimen Storage: Maintain specimen at room temperature.
Specimen Collection: Transfer separated serum or plasma to a plastic transport tube.
Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 105 days
GENERAL INFORMATION
Expected TAT 2 - 4 days  
Performing Labcorp Test Code 716928 
Notes Labcorp Test Code: 716928
CPT Code(s) 80183
Lab Section Reference Lab