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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