Urine Buprenorphine test method change. 02/25/13

Testing now conducted via highly sensitive LC/MS/MS.

Effective February 25, 2013, Redwood Toxicology Laboratory will start confirmation testing of urine Buprenorphine using the industry's most advanced, most sensitive and specific analytical method, Liquid Chromatography-Tandem Mass Spectrometry (LC/MS/MS).

Specificity of LC/MS/MS can be attributed to the fact that it separates the parent mass of the analyte and further breaks it down into fragments that are specific to the analyte, known as multiple reaction monitoring (MRM), ensuring that the peak is the analyte we seek, and that background interference is minimal.

With the LC/MS/MS technique, we will be offering the same cutoff levels as the previous method (GC/MS).

If you have any questions, please contact Toxicology Support
Services at: 800.255.2159, press option 5
.

Sincerely,
Redwood Toxicology Laboratory

11 000 3462 REV1

 

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