Tiagabine, Serum or Plasma

CPT: 80199
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Synonyms

  • Gabitril®

Expected Turnaround Time

4 - 7 days


Specimen Requirements


Specimen

Serum or plasma


Volume

3 mL


Minimum Volume

0.6 mL


Container

Red-top tube or green-top (heparin) tube. Gel-barrier tubes are not recommended.


Collection

Serum or plasma should be separated from cells within two hours of venipuncture. Submit serum or plasma in a plastic transport tube.


Storage Instructions

Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen. Specimen is stable for two weeks at room temperature, for two weeks refrigerated, and for seven months frozen.


Patient Preparation

Trough levels are most reproducible.


Causes for Rejection

Gel-barrier tubes


Test Details


Use

Therapeutic drug management


Methodology

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)


Reference Interval

Not established


LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
842104 Tiagabine (Gabitril) 808289 Tiagabine ng/ml 21565-7

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