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Our Services

Drug and Alcohol Administration (DOT and non-DOT)

You can utilize COHS as your Substance Abuse Program Administrator. We can basically take over all the aspects of your program:

  • Random Selection
  • Specimen Collection
  • MRO Review
  • Record Keeping
  • Pre-Employment Testing
  • Lab Services
  • Result Reporting
  • Post Accident
  • Reasonable Suspicion

COHS has partnered with the largest accredited laboratories in the nation. All COHS laboratories are certified by the Substance Abuse and Mental Health Services Administration (SAMHSA) that meets all strict government requirements. All results are reviewed by a Medical Review Officer (MRO).

On-Site Occupational Nursing (Nursing Stations)

COHS treats work related injuries on-site to minimize cost and lost time. Focusing on reducing recordable injuries, COHS can minimize lost opportunities with our clients who require an effective safety record.

Respirator Qualification Testing (all aspects)

COHS reports on-site and provides all respirator testing with the most current equipment that is quick and accurate. COHS can evaluate medical questionnaires by scanning or faxing to our office. This service can be available after normal business hours upon request.

Blood Analysis

COHS reports on-site with certified phlebotomists for the draws, saving your time and money.

Physicals (DOT and non-DOT)

COHS can perform physicals on-site or in office complying with DOT, OSHA, or company policies (guidelines).

Specimen Collections (on-site and in office)

COHS provides certified collectors that come to the job site and perform the testing to save you time and money.


  • HEP A
  • HEP B
  • Tetanus
  • TB testing
Medical Review Officer

COHS has a certified Medical Review Officer on staff who reviews all results.

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