Carbamazepine and Metabolite Free

Test Code

6071

CPT Codes
80157

Includes

Carbamazepine, Free and Carbamazepine Metabolite, Free

Preferred Specimen

2 mL serum collected in a red-top tube (no gel)

Minimum Volume

1.2 mL

Other Acceptable Specimens

Plasma collected in: EDTA (lavender-top) tube

Instructions

The use of Serum separator tube (SST) is not recommended.
Centrifuge and immediately separate serum or plasma specimens from the cells into clean, plastic transport tube.

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 14 days
Refrigerated: 14 days
Frozen: 10 months

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Serum separator tube (SST)

Methodology
Chromatography/Mass Spectrometry

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Mon-Fri

Reference Range

Carbamazepine, Free	1.0-3.0 mcg/mL
Carbamazepine Metabolite, Free	0.1-1.0 mcg/mL

Performing Laboratory

Quest Diagnostics Nichols Institute-Chantilly VA

14225 Newbrook Drive

Chantilly, VA 20151-2228

Last Updated: November 6, 2024

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.