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Tiagabine, Serum/Plasma

Test Code
30333


CPT Codes
80199

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


Patient Preparation
Draw sample prior to dosing (trough).

Minimum Volume
0.4 mL


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


Instructions
Promptly centrifuge and separate serum into a plastic screw-capped vial using approved guidelines


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


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum Separator Tube (SST®) • Plasma separation tube (PST)


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

Setup Schedule
Thu


Clinical Significance
Therapeutic drug monitoring.




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.