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Can A Drug Test Tell The Difference Between Percocet And Vicodin?
My friend is taking percocet for his back.He ran out of percocet and bought some vicodin from one of our friends.He took a vicodin before his appointment (and all day before) and they tested him.The test came back that he had NO percocet in his system.Do they really have a test to determine you have specifically percocet in his body??If they do…seems very expensive.I just thought they test for the general ones like:opiate,cocaine,thc,etc.
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Comments
Percocet and Vicodin would both test a simple positive in the opiate category on a drug test.
The confirmation test (usually GC/MS, or LC/MS/MS) can tell the difference between chemically similar drugs.
General
LABs test 1) Initial Test (IMMUNOASSAY)
2)Confirmation test
Some labs do
3)Adulteration test (for cheating agents- bleach,Creatinine,Nitrite,etc )
Also
The National Institute of Drug Abuse (NIDA) requires that companies test for five specific categories of drugs.
(NIDA5)
· Cocaine – Includes Cocaine, Crack and Benzoylecognine
· Cannabinoids – Includes Marijuana and Hash
· Amphetamines – Includes Speed, Methamphetamines and amphetamines
· Opiates – Includes Heroin, Opium, Codeine and Morphine
· Phencyclidine – PCP
Depending on what profession you are in or what business or governmental department you are required to take a drug test for, there may be expansion tests required. These test for additional drugs such as:
· Barbiturates
· Hydrocodone
· Mehqualone
· Benzodiazepines
· Methadone
· Propoxyphene
· Ethanol
· MDMA or Ecstasy
Drugs that can be tested for, but are not commonly tested for include:
· LSD
· Tryptamines
· Phenethylamines
· Inhalants
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