Subpart A - W3 Administrative Provisions

Target Language or Knowledge:

Test Results and Training
A drug test result or validity testing result from an HHS-certified laboratory that has undergone review and final determination by the MRO. → Verified test, A drug or alcohol test that has a problem identified that cannot be or has not been corrected, or which this part otherwise requires to be cancelled. It is neither a positive nor a negative test. → Canceled Test, A second analytical procedure performed on a different aliquot of the original specimen to identify and quantify the presence of a specific drug or drug metabolite. → Confirmatory drug test, A second test performed on a different aliquot of the original urine specimen to further support a validity test result. → Confirmatory validity test, A confirmation test result received by an MRO from a laboratory. → Confirmed drug test, The result reported by an HHS-certified laboratory in accordance with the criteria established by HHS Mandatory Guidelines when a positive, negative, adulterated, or substituted result cannot be established. → Invalid drug test, The test used to differentiate a negative specimen from one that requires further testing for drugs or drug metabolites. → Screening drug test, The result reported by a laboratory for a urine specimen that contains an unidentified adulterant, contains an unidentified interfering substance, has an abnormal physical characteristic, or has an endogenous substance. → Invalid result, The result reported by an HHS-certified laboratory to an MRO when a specimen contains no drug or the concentration of the drug is less than the cutoff concentration for the drug or drug class and the specimen is valid. → Negative result, The result reported by an HHS-certified laboratory when a specimen contains a drug or drug metabolite equal to or greater than the cutoff concentrations. → Positive result