Drug test results can be inconclusive if the sample is diluted. An inconclusive or diluted drug test result could be a sign that the sample was tampered with, raising suspicion of whether the employee is attempting to avoid detection of drugs by “cleaning out their system.
- What makes a urine test invalid?
- How long does it take to hear back if you failed a drug test?
- Why is my urine drug test inconclusive?
- How can I stop an inconclusive drug test?
- How long does an inconclusive drug test take?
- What does it mean when your urine sample comes back inconclusive?
- Why is my pee test invalid?
- Will I hear back if my drug test is negative?
- What does inconclusive drug test results mean?
- How do you make a drug test come back invalid?
What makes a urine test invalid?
Invalid Sample “The result of a drug test for a urine specimen that contains an unidentified adulterant or an interfering substance, has abnormal physical characteristics, or has an endogenous substance at an abnormal concentration that prevents the laboratory from completing or obtaining a valid drug test result.
How long does it take to hear back if you failed a drug test?
Drug test results typically take 24 to 48 hours, depending on the type of test being performed (e.g., urine, hair or DOT).
Why is my urine drug test inconclusive?
Usually inconclusive can mean anything from you drank too much fluids to you touched something that tainted the sample. They will fire you if it comes back positive for drugs if you do not have a prescription or it they are street drugs , not sure if it comes back inconclusive for a second time.
Inconclusive Results - Dr Simon
How can I stop an inconclusive drug test?
- If a tester drinks large amounts of water (at least one gallon) before taking a drug test, urine becomes diluted and metabolites from drugs may become undetectable. - This may cause the first round of results to be inconclusive. ... - Another method of dilution is adding a drop of water to the sample.
How long does an inconclusive drug test take?
The test is inconclusive and the specimen must go to the laboratory for confirmation testing and then on to the Medical Review Officer for review and verification. These inconclusive results from the instant drug test can take 4 – 6 business days for a final result.
What does it mean when your urine sample comes back inconclusive?
Inconclusive/invalid– this means that the test detected no amount of the drugs tested for. With an inconclusive result, your employer may choose to have you retake a drug test.
Medications That Affect Home Drug Tests
Why is my pee test invalid?
A test can be marked invalid for numerous reasons that include: Insufficient quantity of testing sample. Faulty test or procedures. Adulteration of sample.
Will I hear back if my drug test is negative?
If you test positive, it can take a week. For the most part, you should hear back in a week. If you result in negative diluted (drink too much water), then you hear back the next day and usually get a second chance to retake within 24 hours.
Drug Screen Lab Test Procedure Explained!
What does inconclusive drug test results mean?
Inconclusive/invalid– this means that the test detected no amount of the drugs tested for. With an inconclusive result, your employer may choose to have you retake a drug test.
How do you make a drug test come back invalid?
- Insufficient quantity of testing sample. - Faulty test or procedures. - Adulteration of sample. - Dilution of sample. - Substitution of sample.