Tiagabine, Serum/Plasma

Test Code

30333

Alias/See Also

1230100477 | LAB497: Tiagabine Level | QUEST EAP: 30333 | GABITRIL

CPT Codes
80199

Preferred Specimen

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

Minimum Volume

0.4 mL

Other Acceptable Specimens

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

Instructions

Draw Sample prior to dosing (trough).
Promptly centrifuge and separate serum or plasma into a plastic screw-capped vial (preservative-free) using approved guidelines.

Transport Container

Plastic screw-cap vial (preservative-free)

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 30 days
Refrigerated: 30 days
Frozen: 2 years

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

Polymer gel separation tube (PST or SST)

Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)

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

Setup Schedule

Set up: Varies; Report available: 7 days

Reference Range

See Laboratory Report

Clinical Significance

Therapeutic drug monitoring.

Performing Laboratory
National Medical Services
200 Welsh Rd
Horsham, PA 19044

Last Updated: April 21, 2023

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.