Drug testing is a necessary component of maintaining a drug-free workplace, but what happens when you receive a negative dilute drug test result? Understanding the implications of a negative dilute drug screen can help you make informed decisions as an employer.
A negative dilute drug test result typically means that the urine sample provided during drug testing was diluted, potentially masking the presence of drugs. Dilution can occur when individual drinks excessive amounts of water or fluids before the drug test, which can lead to higher urine output and lower concentrations of drugs in the urine.
Creatinine is a natural waste product of muscle metabolism and is used as a marker of urine concentration. If the creatinine level in a urine sample is below the normal range i.e. 20mg/dL, it may indicate that the sample is diluted.
If a drug test comes back negative dilute here are the general guidelines provided by the DOT (Department of Transportation) that can be used for non-DOT companies as well:
Contact the Medical Review Officer (MRO): The MRO is responsible for reviewing all drug test results for DOT-regulated employers. If your test comes back negative dilute, the MRO will contact you to determine if there is a valid medical explanation for the dilution. If not, they will report the result as negative with a note of "dilute."
Provide additional information: If you have a medical condition that may cause dilute urine, you will need to provide the MRO with documentation from a licensed medical professional. This documentation should explain the condition and how it may have affected the test result.
Prepare for additional testing: Depending on the employer's policies, a drug test negative dilute could result in additional testing/ retake testing, such as a hair or blood test. Make sure to follow any instructions given to you by the MRO or employer.
There are several steps you can take to avoid a fake negative dilute urine drug test, including:
It's important to understand what a negative dilute drug test result means and how to avoid it. By following the tips for avoiding a negative dilute drug test, you can increase your chances of providing a non-dilute sample and avoid any potential consequences.
Always consult with a medical professional if you have any concerns or questions about drug testing.
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