Yes. Methamphetamine is one of the 76 compounds in the LabX LC-MS/MS confirmation panel, reported as detected at or above 50 ng/mL. The LabX 12-panel screen includes a Methamphetamine line designed to pick up Methamphetamine. A screen is presumptive; adding laboratory confirmation identifies Methamphetamine specifically.
Methamphetamine is a potent central nervous system stimulant, chemically close to amphetamine. The body breaks part of it down into amphetamine, so both often appear together.
A prescription form of methamphetamine exists for ADHD but is rarely used. Some over-the-counter nasal decongestant inhalers contain levmetamfetamine, a related form of the molecule.
Methamphetamine 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 Methamphetamine as detected when its concentration is at or above the cut-off of 50 ng/mL, within a reportable range of 50–5,000 ng/mL. It is one of 8 compounds in the stimulants family on the 76-drug confirmation panel.
The laboratory's confirmation report lists an approximate detection window of 2-4 days for Methamphetamine. 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.
The LabX 12-panel screen includes a Methamphetamine line designed to pick up Methamphetamine. A screen is presumptive; adding laboratory confirmation identifies Methamphetamine specifically.
Telling the prescription or decongestant form apart from other forms requires an additional specialized (chiral) test, which a reviewing physician can request if it matters.
Prescription ADHD and weight-management stimulants, a common decongestant, and illicit stimulants including the cocaine metabolite benzoylecgonine and MDMA.
Yes. Methamphetamine is one of the 76 compounds in the LabX LC-MS/MS confirmation panel, reported as detected at or above 50 ng/mL. The LabX 12-panel screen includes a Methamphetamine line designed to pick up Methamphetamine. A screen is presumptive; adding laboratory confirmation identifies Methamphetamine specifically.
LabX reports Methamphetamine as detected at or above 50 ng/mL, and the method's reportable range is 50–5,000 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 2-4 days, but it varies with dose, frequency of use, metabolism and hydration, and cannot be used to tell when something was taken.
The LabX 12-panel screen includes a Methamphetamine line designed to pick up Methamphetamine. A screen is presumptive; adding laboratory confirmation identifies Methamphetamine specifically.
A prescription form of methamphetamine exists for ADHD but is rarely used. Some over-the-counter nasal decongestant inhalers contain levmetamfetamine, a related form of the molecule.
Terms on this page: metabolite · cut-off · detection window · presumptive result · confirmation test. More questions: LabX answers.
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