Yes. Gabapentin is one of the 76 compounds in the LabX LC-MS/MS confirmation panel, reported as detected at or above 500 ng/mL. Gabapentin is not one of the 12 lines on the LabX 12-panel screen. It is identified by adding laboratory confirmation, which tests for all 76 compounds on the panel.
Gabapentin is an anti-seizure medicine that is also widely used for nerve pain. It is excreted largely unchanged in urine.
Also known as or found in: Neurontin.
Gabapentin is prescribed for certain seizures and for nerve pain after shingles, and is used for other nerve pain conditions.
Gabapentin is measured by liquid chromatography with tandem mass spectrometry (LC-MS/MS), which separates the compounds in a sample and identifies each one by its mass. That is different from a rapid screen, which reacts to a family of drugs and can occasionally react to a related substance. The laboratory reports Gabapentin as detected when its concentration is at or above the cut-off of 500 ng/mL, within a reportable range of 500–50,000 ng/mL. It is one of 9 compounds in the muscle relaxants, sedatives and analgesics family on the 76-drug confirmation panel.
The laboratory's confirmation report lists an approximate detection window of 1-4 days for Gabapentin. Treat that as a rough guide only: how long any compound stays measurable varies with the amount taken, how often it is used, body composition, metabolism, kidney and liver function, and hydration. A laboratory result cannot be used to work out when a substance was taken.
Gabapentin is not one of the 12 lines on the LabX 12-panel screen. It is identified by adding laboratory confirmation, which tests for all 76 compounds on the panel.
Gabapentin is not detected by standard drug screens. It is monitored in some treatment and pain programs, which is why it is on our confirmation menu.
Muscle relaxants, barbiturates, nerve-pain medicines and acetaminophen, several of which are monitored in pain management and treatment programs.
Yes. Gabapentin is one of the 76 compounds in the LabX LC-MS/MS confirmation panel, reported as detected at or above 500 ng/mL. Gabapentin is not one of the 12 lines on the LabX 12-panel screen. It is identified by adding laboratory confirmation, which tests for all 76 compounds on the panel.
LabX reports Gabapentin as detected at or above 500 ng/mL, and the method's reportable range is 500–50,000 ng/mL. A result below the cut-off is reported as not detected; it does not prove none was present.
The laboratory lists an approximate window of 1-4 days, but it varies with dose, frequency of use, metabolism and hydration, and cannot be used to tell when something was taken.
Gabapentin is not one of the 12 lines on the LabX 12-panel screen. It is identified by adding laboratory confirmation, which tests for all 76 compounds on the panel.
Gabapentin is prescribed for certain seizures and for nerve pain after shingles, and is used for other nerve pain conditions.
Terms on this page: metabolite · cut-off · detection window · presumptive result · confirmation test. More questions: LabX answers.
Test for Gabapentin and 75 other compounds
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