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Employer Resource

What Is a Medical Review Officer?

A medical review officer is a physician who reviews laboratory drug-test results under the applicable program rules. The MRO role is distinct from specimen collection, a routine clinical visit and the employer’s personnel decision.

Employer-facing detail Decision support for HR, safety, compliance, procurement, and agency program contacts.
Operational clarity Covers routing, documentation, reporting, escalation, and implementation planning.
Connected services Related Corporate Health services can be scoped into one employer program.
Consultation path A direct route to review states, employee groups, service mix, timing, and reporting needs.
Nao Medical corporate health team

Medical review officer coordination

A medical review officer is a physician who reviews laboratory drug-test results under the applicable program rules. The MRO role is distinct from specimen collection, a routine clinical visit and the employer’s personnel decision.

Prepare the requested service

For a DOT program, use the Part 40 process and identify the authorized MRO, laboratory and employer contact. Employees may need to discuss a legitimate medical explanation or prescription privately with the MRO.

Results and follow-up

Agree on result routing, employee contact, verification and employer reporting. A non-negative screening result is not automatically a final verified positive. Keep DOT and non-DOT processes distinct.

Arrange the employer program

Confirm the service list, employee eligibility, locations, dates, employer authorization, payment arrangements and reporting contacts with the employer-service team. Give employees the correct appointment instructions and a route for questions or missed appointments. Confirm any proposed workplace event or outside collection site before arranging attendance.

Employee privacy and reporting

Employers should receive only the information needed for the authorized work request. Agree on completion reports, restrictions or other necessary documentation and who may see them. Covered employers must keep medical information confidential and separate from ordinary personnel files. An employee’s personal treatment needs remain a confidential clinical matter.

Questions about employer services

Can Nao Medical help translate this into a program scope? Can this apply to both public-sector and private employers?

The employer-service team can help define a testing program for public-sector or private employers. Identify DOT or non-DOT status, laboratory, MRO, collection arrangements and reporting responsibilities. A medical review officer is a physician who reviews laboratory drug-test results under the applicable program rules. The MRO role is distinct from specimen collection, a routine clinical visit and the employer’s personnel decision.

Can a program include services outside drug testing?

An employer program may coordinate physicals, vaccines or clinical tests as separately authorized services. The MRO’s regulated role concerns drug-test review; it does not replace those clinicians or give one report authority over every other service.

Does Nao Medical provide employer-facing services nationwide?

The employer-service team can discuss coordination across employee locations. Provide the states, roles and exact services so each proposed site and appointment can be confirmed. A network program does not establish every test, clinician license or regulated service in every state.

How do employers book a Corporate Health consultation?

Employers can use the employer consultation to agree on services, locations, authorizations, costs and reports. Provide the headcount, requested service and deadline. An employee needing care should book the relevant clinical appointment with employer authorization; urgent care should not wait for a program-planning meeting.

Will the employer receive my entire medical record?

Employers should receive only the information needed for the authorized work request. Agree on completion reports, restrictions or other necessary documentation and who may see them. Covered employers must keep medical information confidential and separate from ordinary personnel files. An employee’s personal treatment needs remain a confidential clinical matter.

Medical sources

Why coordination matters

Employers need clean handoffs between collection, lab, review, and account reporting.

  • Status tracking
  • Exception follow-up
  • Secure reporting

Program fit

MRO coordination is often one part of a broader drug testing TPA workflow.

  • DOT programs
  • Non-DOT testing
  • Post-accident workflows

Review the current workflow

Identify where scheduling, collection, lab review, reporting, or documentation breaks down.

Define required services

Separate DOT, non-DOT, physicals, labs, vaccines, mobile events, and injury-care needs.

Select the operating model

Choose whether a TPA, lab, clinic, or coordinated vendor layer fits the program.

Build accountability

Set contacts, reporting cadence, escalation paths, and review checkpoints.

24/7 Post-Accident Drug and Alcohol Response

Define after-hours and urgent event routes before incidents happen.