Public policy statement on the role of Medical Review Officers.

The function of a Medical Review Officer (MRO) to review, interpret, and recommend action on the results of workplace drug testing, is critical. The person executing this function must be trained in medicine, be well-versed in laboratory testing processes and interpretation of laboratory results, and be knowledgeable about: (1) the spectrum of organic diseases which require treatment by controlled substances or by other substances that produce metabolites that are controlled substances or that are indistinguishable from controlled substances, and (2) legally available substances that may test positive for proscribed substances.