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Drug Testing Facts

  1. Marijuana Is The Most Detected Drug
  2. The Most 'Drug-Positive' Industry
  3. False-Positives And False-Negatives Rates
  4. Most Of The US Labs Do Not Meet Federal Standards
  5. Less Than 50% Of Companies Drug Test New Hires
  6. Small Firms Test Less
  7. Small Firms Have More Users
  8. Extreme Measures To Cheat Drug Test
  9. Even World's #1 Can Have False-Positive Result
  10. The Best Excuse For Positive Drug Test
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Marijuana Is The Most Detected Drug


According to Drug Testing Index by Quest Diagnostics marijuana is the most detected drug in workplace drug tests. It is detected in 2% of drug tests. The second place holds hydrocodone with 1.3% and the third is oxycodone with 1.1%.


The Most 'Drug-Positive' Industry


The Restaurant industry holds the first place by number of positive drug tests with 17,4%. Number 2 is the Construction industry that has 15.1%. The lowest rate have Teachers and Social Workers - only 5%.


False-Positives And False-Negatives Rates


Usually drug tests produce 5-10% of false-positive results and 10-15% of false-negative results.


Most Of The US Labs Do Not Meet Federal Standards


There is about 1200 drug testing laboratories in United States, but only less than 100 of them meet federal standards. The number of false positive results in labs that do not meet standards can reach over 50%.


Less Than 50% Of Companies Drug Test New Hires


Less than 50% of companies conduct drug test on new hires. For many people the ability to avoid drug testing is one of the most important factors when choosing a job along with the salary and benefits.


Small Firms Test Less


Smaller firms are generally less likely to test their employees for drug use because of high expenses. So if you want to avoid drug test its better to look for a job in a small company.


Small Firms Have More Users


There is an inverse correlation between the size of the company and number of positive drug tests. Small firms generally have more drug users. Companies that have fewer than 10 employees have about 10% of positive tests. Companies with 10 to 24 employees - 9.7%, 25-99 employees - 8.2%, 100-499 employees - 6.7% and 500 or more - 5.7%.


Extreme Measures To Cheat Drug Test


The most extreme steps to cheat urine drug test are taking professional athletes. They wear a prosthetic penis with attached bag with clean urine, dilute urine samples with whiskey and even insert a catheter into penis to fill bladder with drug-free urine.


Even World's #1 Can Have False-Positive Result


Former tennis World Number 1 Martina Hingis was banned from competition for two years at 2007 after her urine tested positive for cocaine. But the amount of cocaine metabolite was so low that she would pass a standart US workplace drug test. Her later hair test was negative but her ban was upheld.


The Best Excuse For Positive Drug Test


Police officer from New York who tested positive for cocaine in 2006 claimed that he never used drugs and got coc in his body from "passive ingestion" during oral sex with his girlfriend. Unfortunately Manhattan judge didn't believe him and he lost his job.