Phenobarbital - Unbound, Serum/Plasma

Test Code

FPHEN

Quest Code

10798

CPT Codes
80184

Preferred Specimen

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

Minimum Volume

0.7 mL

Other Acceptable Specimens

Plasma collected in: EDTA (lavender-top) tube or EDTA (pink-top) tube

Instructions

Promptly centrifuge and separate serum or plasma into a transport tube

Transport Container

Transport tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 90 days
Refrigerated: 90 days
Frozen: 18 months

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

Polymer gel separation tube (SST or PST)

Methodology
High Performance Liquid Chromatography (HPLC)

FDA Status

This test was developed and its performance characteristics have been determined by NMS Labs. It has not been cleared or approved by the US Food and Drug Administration.

Setup Schedule

Daily

Report Available

8 days

Clinical Significance

Therapeutic Drug Monitoring

Performing Laboratory

NMS Labs

200 Welsh Road

Horsham, PA 19044

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.