Carbamazepine, Total, Plasma or Serum

Test Code
313


CPT Codes
80156

Preferred Specimen
Submit only 1 of the following specimens:

Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Peak level should be drawn 3 hours after dose. Random or trough level should be drawn 30 minutes before dose. Avoid hemolysis.
Note: 1. Dosage time and route of administration are required. 2. Indicate plasma. 3. Label specimen appropriately (plasma).

Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Peak level should be drawn 3 hours after dose. Random or trough level should be drawn 30 minutes before dose. Avoid hemolysis.
Note: 1. Dosage time and route of administration are required. 2. Indicate serum. 3. Label specimen appropriately (serum).


Minimum Volume
Pediatric volume: 0.3 mL


Transport Temperature
Refrigerate


Methodology
Particle Enhanced Turbidimetric Inhibition Immunoassay

Setup Schedule
Monday through Sunday


Reference Range
Therapeutic concentration: 4.0-12.0 µg/mL
Toxic concentration (automatic call-back): >=12.1 µg/mL


Clinical Significance
Useful for therapeutic drug monitoring.  


Performed By
CoxHealth



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.