The two Bagel Breakfast
Example of positive urine screening for opiates by RIA, broadcast. GC / MS identified morphine content. The individual denied opioid abuse and an investigation was done. Examination revealed a diet that consists of a Burger King hamburger the night before the sample was taken and a breakfast apparently common, two bagels from the university snack bar. Individual appeared normal. They came to the conclusion that the pulverization of the few poppy seeds used as decoration on the bagel resulted in a positive immune response.
Hempseed Foods
Laboratory studies showed that cookies made from cannabis sativa seeds (hemp seeds) can cause a positive urine test for cannabis. Although their strains are low, they can cause a positive test after ingestion. Positive cannabis results were obtained for the volunteers who ate hemp cookies.
Human Error
The majority of human errors are caused due to poor management, inadequate staff, poor maintenance of equipment, contamination of glassware with drug positive samples, etc. The monitoring of the quality of work done at the laboratories to ensure that no mistakes are made. The machines are as reliable as the people they serve.
Regulation Needed
In a random or mass testing without probable cause, error is inevitable. Causes of errors in the test:
Incorrect laboratory procedures
Inadvertent switching of samples
Paperwork loss or damage.
Passive inhalation
Cross-reactivity with other legal drugs
Tampering with samples
Unknown reasons
False positives
It refers to a positive result, a drug-free sample. False positives can occur as a result of testing methodology, equipment, pollution, etc. There is a great personal and social significance in the positive drug tests of job fitness evaluation, pre-employment, promotion candidates, etc. Usually, screening test is followed by a confirmatory test by different methods.
False positives or Opiates
The most difficult task for those interpreting urine drug screening results is the opiate positive. The majority of opiate positives are due to poppy seeds and prescription drugs. Studies show that certain drugs are found after poppy seed ingestion. Because the false positives disrupted several people's life, Govt. has changed mandatory guidelines for Federal Workplace passing a drug test Programs by increasing the cut-off and confirmatory levels of opiates.
