Depends on the test.: A preliminary drug screen usually only confirms that there is a more than a minimal amount of any drug in your system. A confirmatory test can be performed which can report the concentration of the drug in your urine.
Answered 7/18/2015
2.9k views
A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
5 doctors weighed in across 3 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question