Optimize drug therapy and monitor patient adherence.
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Plain Red, Lavender (K2EDTA), or Pink (K2EDTA).
Separate from cells ASAP or within 2 hours of collection. Transfer 2 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.91 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Refrigerated. Also acceptable: Room temperature or frozen.
Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 2 weeks
No compliance statements are in use for this test.
|Component Test Code*||Component Chart Name||LOINC|
|0091548||Phenobarbital, Total, Serum or Plasma||3948-7|
|0091550||Phenobarbital Bound, Serum or Plasma|
|3001473||Phenobarbital, Unbound, Serum/Plasma||3951-1|
National Medical Services (NMS)