I took mscontin er and methadone as I was weaning off the morphine to start being on methadone. I also take percocet for break through pain and they were upset it didn't show on urine test even tho I explained it is prn. As needed. Not all the time! Now I have to see an addictionologist to rejoin the clinic
1 Aug 2010
That is ridiculous they didnt even bother giving you the benefit of the doubt. If my friend christine happens to cross this question she can explain to you how they have false tests that will show up you have been taking something when you havent. I suggest you ask for a redo on the test. I think even if they wont at least they are willing to let you back in the program.
1 Aug 2010
Absolutely request a redo with a new batch of test kits. Also request a copy of the results as they are part of your medical record. In addition to the excerpts from an article I attached, many docs don't know how to read a lab result accurately. Hang in there and don't take no for an answer! You have every right to review and/or copy this lab report.
"According to R. Brookler", "Industry Standards in Workplace Drug Testing," Personnel Journal, (April 1992). Laboratories admit that urine tests are not always accurate. The manufacturers of all drug testing equipment acknowledge that all positive results should be confirmed with a more sophisticated test. The only acceptable drug confirmation test is the costly gas chromatography/mass spectrometer. Without confirmation by an alternative testing method, urine drug tests are not sufficiently reliable to hold up in court.
"Only 85 of the estimated 1,200 laboratories in the United States currently testing urine for drugs meet federal standards for accuracy, qualified lab personnel, and proper documentation and record-keeping procedures. Because private companies are not required to use certified drug testing labs, workers are being asked to put their job security in the hands of a drug test that has insufficient quality controls."
Even in labs that do meet the minimum standards, there is plenty of room for error. Your urine sample will change hands many times before its actual drug analysis, which increases the risk of mix-ups and errors. Also, the chemical reagents used in drug testing have a limited shelf life, which can cause "false positives". (A false positive is a sample showing a positive for drug metabolites when there are no metabolites in the person's system.)
Most states do not regulate the operations of urine drug test labs; in fact, some labs have fewer quality control regulations than restaurants. Your typical private employer may use any lab she/he chooses, which would most likely be the least expensive. Findings from the Center for Disease Control in Atlanta stated: "... the labs somehow detected cocaine in as many as 6 percent, and amphetamines in up to 37 percent of urine specimens that were 'blank" (those containing no drugs at all)."
False positive results during drug testing run high and no laboratory process is completely free from error. False positives also occur at high rates reported from 4 percent to over 50 percent. The high prevalence of false positives insures that people who are accused by the drug test are not necessarily drug users. False positives can occur for a number of reasons including: improper laboratory procedures, samples getting mixed up, paperwork being incorrect or lost, passive inhalation (second-hand smoke), and cross-reaction with prescription drugs and over-the-counter medications.
A USA TODAY report indicated that 15 percent of all urine drug tests yield a false positive due to cross-reacting substances. In a UCLA study of 161 legally prescribed and over-the-counter drugs, 65 gave false positive results. A National Institute of Drug Abuse study of 50 labs revealed that all 50 labs responded with some false positive results for drug tests.
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