Confirmation Methods for Drug Testing

   

 

Medical Professional Panel

1. 120-125 Panel UA
2. Hair Panel testing 300 drugs.

Gas chromatography-mass spectrometry (GC/MS)

GC/MS is a confirmation method that combines the features of gas-liquid chromatography and mass spectrometry to identify different substances within a test sample. Applications of GC/MS include drug detection, environmental analysis, and identification of unknown samples. Additionally, it can identify trace elements in materials that were previously thought to have disintegrated beyond identification.

GC/MS has been widely heralded as a " gold standard " for forensic substance identification because it is used to perform a specific test . A specific test positively identifies the actual presence of a particular substance in a given sample. A non-specific test , however, merely indicates that a substance falls into a category of substances. Although a non-specific test could statistically suggest the identity of the substance, this could lead to false positive identification.

Currently, GC/MS is rapidly being replaced by a superior confirmation method using Liquid Chromatography/Mass Spectrometry /Mass Spectrometry (LC/MS/MS) instrumentation. While similar to GC/MS in terms of function, confirmations utilizing the new "Platinum" standard LC/MS/MS technology provide many selectivity and sensitivity advantages. Overall, LC/MS/MS is fast becoming the choice of top forensic laboratories to provide legally defensible confirmation results with improved turnaround times .

Confirmation Tests Available:

ProResults offers a wide variety of urine, hair & nail tests that include GC/MS & LC/MS/MS confirmation methods.

Please contact our friendly & knowledgeable staff to help you select a specific test to best fit your needs.

Phone # 512-374-9977
 



 

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