Need DOT MRO services for your DOT drug testing program? Clearinghouse Services offers MRO services for large and small employers. DOT Compliant MRO services are billed per completed drug test at $6.00 per test including electronic reporting of all negative and positive results. Full access to our MRO portal is included. All MRO services include reporting positive drug test results and MRO verified refusals to test to the Clearinghouse. One-time setup fee of $150.00 and you can be up and running in 7 business days.