who do the MRO contact about your drug test
Medical Review Reporting Procedures. The MRO and/or MRO staff contacts the donor of the questionable result to verify any medical explanation. If NTA is unable to contact the donor within a reasonable time period at the home phone number provided, we will contact the DER for assistance.edical Review Reporting Procedures. The MRO and/or MRO staff contacts the donor of the questionable result to verify any medical explanation. If NTA is unable to contact the donor within a reasonable time period at the home phone number provided, we will contact the DER for assistance.