What does non-negative drug test results mean?
What does non-negative drug test results mean?
As mentioned, non-negative does not mean positive, it simply means, traces of certain drugs are present in the sample; however, their amounts are very small or marginal. In such cases, the test is either repeated after a few days or it could be a testing error.
What is a non positive drug test?
If the donor can provide a valid prescription (which the MRO verifies with the pharmacy) or other reason a drug test result may be positive, then the MRO may report a negative result. If the MRO is not able to contact the donor within a specific amount of time, then the result is reported as a Non-Contact Positive.
What is the difference between non-negative and positive drug test?
A drug test result is categorized as positive if testing indicates the presence of a targeted drug or its metabolite at a level above the minimum threshold or cut off. However, a non-negative specimen also does not clearly indicate that the test subject has not used prohibited drugs.
What’s a non-negative?
Definition of nonnegative : not negative: such as. a : being either positive or zero. b : taking on nonnegative values a nonnegative function.
What does a non drug test mean?
Testing done on employees in a non-regulated industry is referred to as Non-DOT drug testing. Non-DOT drug tests are dictated by each individual employer. The employer decides how to manage and run their drug testing program based on their needs. Established companies have this defined in their drug testing policy.
Can a positive drug test come back negative?
Drug tests generally produce false-positive results in 5% to 10% of cases and false negatives in 10% to 15% of cases, new research shows.
What does non positive mean?
Definition of nonpositive 1a : not positive : negative, privative. b : being either negative or zero a nonpositive integer. 2 : taking on nonpositive values a nonpositive function.
What if my drug test is positive?
If your results are positive, it means one or more drugs were found in your body above an established level. However, false positives can happen. So if your first test shows that you have drugs in your system, you will have further testing to figure out whether or not you are actually taking a certain drug or drugs.
Can a urine drug test be wrong?
A worry for anyone undergoing an illicit drug screen – whether it be a urine, hair, saliva or blood test – is the possibility of a false positive drug test. In fact, some data suggests 5 to 10 percent of all drug tests may result in false positives and 10 to 15 percent may yield false negatives.
What does a non-negative drug result mean?
As the name implies, a non-negative result on a drug screening device means that the test wasn’t negative; an amount of substance was detected. It could be a trace amount and within the margin of error, but as it’s not negative it will need confirmation analysis back at the laboratory.
Does “negative-dilute” mean he passed the drug test?
Negative dilute drug test results do not mean a positive test result, but may require retesting. A regulated program, which encompasses federal employees and DOT-safety positions abides to a strict criteria in handling negative dilute drug test results.
What does a negative drug test result mean?
When drug metabolites are not detected, in conjunction with creatinine levels that are out of the normal range, results in a negative dilute drug test result. A positive dilute drug test result occurs when creatinine levels are outside of the normal range and drug metabolites are detected.
How long does it take to get drug test results?
Most labs can process a drug screen in one to two business days. However, if the specimens must be delivered to the testing facility from the lab, this may add a business day. For negative urine…