Testing is performed as soon as the specimen arrives at our laboratory. Negative results are often released within 24 hours. Non-negative screens undergo confirmatory testing and are typically released within an additional 24 to 72 hours. Find the nearest drug testing collection site.
How long does it take to get urine drug test results?
Drug test results typically take 24 to 48 hours, depending on the type of test being performed (e.g., urine, hair or DOT).
Are urine test results instant?
A: Express Results is an instant, Quest Diagnostics-branded urine drug test designed for on-site collection and result interpretation. Results are available within minutes of the collection time and remain stable for 60 minutes.
Do you hear back from a drug test?
It usually only takes a few days to receive results from a workplace drug test. An employer may even request a rapid test, which can provide results the same day. Employers receive negative test results within 24 hours. Non-negative results take more time because of the additional testing required.
How long does LabCorp take for urine results?
Your test results will be posted to your LabCorp Patient™ portal account two to seven days after the information is reported to your doctor.
What happens if your drug test comes back positive?
If the test results in a positive reading, meaning there is drug residue in the body, the results are forwarded to a medical review officer, who reviews the results and looks for any possible valid medical explanation for the results.
Will I fail a drug test if I drink the night before?
It is possible for your system to still have enough alcohol in it the next morning that you could fail a urine or blood test for driving under the influence. You would definitely have a problem trying to pass a test that is designed to detect the presence of any alcohol.
How do I read my urine test results?
- Acidity (pH). The pH level indicates the amount of acid in urine. …
- Concentration. A measure of concentration, or specific gravity, shows how concentrated particles are in your urine. …
- Protein. Low levels of protein in urine are normal. …
- Sugar. …
- Ketones. …
- Bilirubin. …
- Evidence of infection. …
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How accurate are rapid urine drug tests?
The answer is that the two are comparable in terms of accuracy. Urine drugs tests can produce results that are greater than 99 percent accurate while saliva drug tests can yield an accuracy of 99 percent.
What color should Urine be for a drug test?
Within the normal range of urine color, you may see: Pale yellow: This is a healthy color. Your body is functioning normally and hydration levels are optimal. However, if pale yellow becomes clear, you may be overhydrated.
Can you fail a drug test and still get hired?
Pre-employment screening can be more straightforward than screening for existing staff, Phillips said. If an employer makes a job offer contingent on passing a drug test, the offer can generally be rescinded if the applicant tests positive. There may be more steps employers must follow for current employees.
Will failing drug test affect future employment?
Drug testing is typically conducted prior to tendering an offer of employment. A failed drug test could result in the job offer being withdrawn.
How do labcorp urine tests work?
Labcorp performs initial drug screening using immunoassay. An immunoassay is a test that uses antibodies to detect the presence of drugs and other substances in urine. The initial screening process does not measure the specific amount of drug present in urine samples.
Why is drug test taking so long?
Positive Initial Results Take Time to Confirm
The good news for employers is that results are presented much more quickly when test results are negative. But as the MRO process is strongly regulated and must be performed a precise way, drug test results do occasionally take several days to confirm.
Can labs tell the difference between real and synthetic urine?
Quick Fix Synthetic urine, along with its competitors, is made from a mix of water, urea, creatinine, pH balance, and/or uric acid. Synthetic urine can have the same density as urine too, as labs also test for this. Urinalysis clinics use a method called gas chromatography-mass spectrometry to test urine.