Work Urine Drug Test for New Job + DMAA?
- 01-14-2013, 09:48 PM
- 01-16-2013, 04:18 PM
If you get a false-positive for amphetamines, they do another test.
Because DMAA is not a proper amphetamine that next test will say you are clean... The false positive only happens on the really stupid tests... But they test for false positives...
01-19-2013, 09:32 AM
Thanks bro, Would really be a nightmare if they didn't, but, your right, they are trained for this. I went to Lapcorp and they sent the sample out to an independent lab for testing. I contacted the lab, they told me a Dr. would contact me right away if there was an issue. I think I free in the clear. My future employer received the sample back on Jan 10th. I have heard nothing as of yet. If for some reason I have to retest, would you know the half-life of DMAA?
01-21-2013, 08:23 AM
01-21-2013, 07:35 PM
Your right was not using my head, not sure why the tester would not ask you if you are taking meds or supps... It's been awhile an I haven't heard anything from the lab or employer... I think I'm good to go... Don't think it's a good idea to followup with my future employer
01-22-2013, 08:36 AM
01-22-2013, 12:21 PM
I don't know who on earth came up with this whole geranamine causes false positives, but I truly believe there is no way it can cause a positive. I know Pat has more experience with the literature on testing than I do though...
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01-22-2013, 12:28 PM
J Anal Toxicol. 2011 Apr;35(3):183-7.
Dimethylamylamine: a drug causing positive immunoassay results for amphetamines.
Vorce SP, Holler JM, Cawrse BM, Magluilo J Jr.
Division of Forensic Toxicology, Armed Forces Medical Examiner System, Armed Forces Institute of Pathology, 1413 Research Boulevard, Building 102, Rockville, Maryland 20850, USA. [email protected]
The Department of Defense (DoD) operates six forensic urine drug-testing laboratories that screen close to 5 million urine samples for amphetamines yearly. Recently, the DoD laboratories have observed a significant decrease in the confirmation rates for amphetamines because of specimens screening positive by two separate immunoassays and confirming negative by gas chromatography-mass spectrometry (GC-MS). Previous studies conducted by the Division of Forensic Toxicology, Armed Force Institute of Pathology (AFIP) utilizing a GC-MS basic drug screen and a designer drug screen revealed no common compound or compound classes as to the cause of the immunoassay-positive results. Additional information obtained from an immunoassay vendor suggested the anorectic compound dimethylamylamine (DMAA) may be the cause of the false-positive screens. An additional 134 false-positive samples were received and analyzed using liquid chromatography-tandem mass spectrometry (LC-MS-MS) for DMAA. LC-MS-MS analysis revealed the presence of DMAA in 92.3% of the false-positive samples at a concentration of approximately 6.0 mg/L DMAA, causing a positive screen on both immunoassay kits.
PMID: 21439156 [PubMed - indexed for MEDLINE] Free full text
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01-24-2013, 05:05 PM
I think you guys are missing the point that DMAA is not an amphetamine, it has an incomplete benzene ring.
GC/MS will never be fooled. Maybe someone had weird results on a home-kit? Anyhow the people that do real drug testing (not some home kit) use much more advanced equipment...
A false positive is not a good thing, but proper equipment can determine if it is truly a "false positive".
01-27-2013, 07:32 PM
01-28-2013, 06:42 AM
01-29-2013, 03:30 AM
I did a self experiment by taking a pretty high dose of DMAA and testing my urine every 2 hours for amphetamines on the Roche Cobas e610 immunoassay... all of them negative. This was about a year ago. I was not regularly taking DMAA at the time, it was a single occurence of ingestion. Sometimes it depends on what analyzer they're using but Siemens Advia shows up negative, too.
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