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Test Code TEG TEGRETOL LEVEL 

Methodology

Enzymatic Heterogenous Competitive Immunoassay

 

Tegretol® (carbamazepine) is a therapeutic drug used in the treatment of epilepsy. This test is useful for monitoring therapy, determining compliance, and assessing toxicity.

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred:

Serum Gel Tube

Container/Tube: Serum gel tube(s)
Specimen Volume: 2 mL (minimum volume: 1 mL) of serum

Collection Instructions: Draw blood just prior to next dose. Spin down within 4 hours of draw.

Note: 1. Date and time of last dose and time of draw are required.

2. Label specimen appropriately (serum).

 

Alternate:

Plain, Red-Top Tube

Container/Tube: Plain, red-top tube(s)
Specimen Volume: 2 mL (minimum volume: 1 mL) of serum

Collection Instructions: Draw blood just prior to next dose. Spin down within 4 hours of draw.

Note: 1. Date and time of last dose and time of draw are required.

2. Label specimen appropriately (serum).

 

Alternate:

Plasma

Container/Tube: Green-top (lithium heparin) tube(s)

Specimen Volume: 2 mL (minimum volume: 1 mL) of plasma

Collection Instructions: Draw blood just prior to next dose. Spin down within 4 hours of draw.

Note: 1. Date and time of last dose and time of draw are required.

2. Label specimen appropriately (plasma).

Day(s) Test Set Up

Monday through Sunday

Reference Values

Therapeutic concentration: 4.0-12.0 µg/mL

Critical concentration (automatic call-back): >20 µg/mL

Performing Laboratory

Logan Health Medical Center-Chemistry

Test Classification and CPT Coding

80156

Specimen Transport Temperature

Refrigerate