Specimen Collection Manual and Test Catalog
OXCARBAZEPINE METABOLITE
Geisinger Epic Procedure Code: LAB1477 Geisinger Epic ID: 43557SPECIMEN COLLECTION
Specimen type:
Serum or EDTA plasma
Preferred collection container:
Specimen required:
1 mL aliquot of serum or EDTA plasma; minimum 0.25 mL.
Special notes:
Either serum or EDTA plasma is acceptable.
SPECIMEN PROCESSING
Processing instructions:
Centrifuge for 10 minutes at 3000 rpm, and immediately separate serum or plasma specimens from the cells into clean, plastic, screw-capped vial(s). Should be aliquoted as soon as possible.
Transport temperature:
Refrigerated.
Specimen stability:
Room Temperature: 3 days. Refrigerated: 2 weeks. Frozen: 2 months (-20ºC)
Rejection criteria:
Stability limits exceeded. Serum separator tubes not acceptable.
TEST DETAILS
Reference interval:
Therapeutic: 8.0-35.0 mcg/mL. Toxic: > 35.0 mcg/dL.
Detection limit 0.5 mcg/mL.
Critical values/courtesy alerts:
CPT code(s):
80183
Toxic > 35.0 mcg/mL
Note: The billing party has sole responsibility for CPT coding. Any
questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Oxcarbazepine Metabolite
Methodology:
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Synonyms:
Review Date:
11/21/2024 OXYCARBAZEPINE METABOLITE, TRILEPTAL, Quest test code 36637, 10CARB
Performing Locations