Test Code TEG Carbamazepine (Tegretol®), Plasma or Serum
Methodology
Turbidometric Immunoassay
Performing Laboratory
Aspen Valley Hospital
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Serum
Container/Tube: Light Green lithium heparin tube
Specimen: 2 mL (minimum volume: 0.5 mL) of plasma
Transport Temperature: Ambient
Collection Instructions: Spin down, remove serum, and place in separate plastic vial. If there is a delay in transport of >8 hours, send specimen refrigerated in ≤7 days.
Alternate:
Plasma
Container/Tube: red top
Specimen: 2 mL (minimum volume: 0.5 mL) serum
Transport Temperature: Ambient
Collection Instructions: Spin down after allowing the tube to clot immediately, remove plasma, and place in separate plastic vial. If there is a delay in transport of >8 hours, send specimen refrigerated in ≤7 days.
Reference Values
Therapeutic range: 4.0-12.0 µg/mL
Critical value (automatic call-back): >15.0 µg/mL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
80156