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When it comes to protecting your employees and your organization from the risks of substance abuse, you can't afford to take any chances. goMDnow network of SAMHSA-certified labs ensures that clients receive the most accurate and reliable test results possible.

Understanding the Role of SAMHSA

Substance Abuse and Mental Health Service Administration (SAMHSA) is a federal agency within the U.S. Department of Health and Human Services (HHS) that was established in 1992 with the goal of improving the quality and availability of substance abuse prevention, addiction treatment, and mental health services.

SAMHSA-Labs have become synonymous with quality and reliability in the field of drug and alcohol testing. These laboratories have undergone a rigorous accreditation process to ensure that their testing procedures and results meet the highest standards.

DOT-regulated companies require SAMHSA certified Labs

SAMHSA certification ensures that labs meet strict forensic testing standards for drug and alcohol testing, including sample collection, laboratory analysis, and reporting of results.

By requiring the use of SAMHSA- accredited laboratory, the DOT ensures that the drug testing process is consistent and reliable across all regulated companies. This helps to maintain a level playing field and ensures that all employees are subject to the same testing standards.

SAMHSA-approved labs must participate in regular proficiency testing, where they are tested on their ability to accurately detect known substances at specified concentrations. This ensures that SAMHSA drug testing labs maintain their accuracy over time and that they are capable of detecting new and emerging substances.

Why Choose a SAMHSA-Certified Lab?

Some important considerations of HHS Labs that makes it stand tall among other drug testing labs are:

  1. Quality control:
  2. Certified drug testing labs must implement robust quality control procedures to ensure accurate and reliable testing results, including participation in proficiency drug testing programs to ensure that they can accurately detect known substances at specified concentrations.

    Must Read: Drug Cut-off Levels

  3. Chain of custody:
  4. Maintain a secure chain of custody for samples, from collection through analysis and reporting, to ensure that samples are not tampered with or compromised.

  5. Reporting:
  6. With HHS laboratory certification, labs must provide accurate and timely reporting of testing results to the appropriate parties, while maintaining strict confidentiality and privacy standards.

  7. Professional and experienced staff:
  8. HHS-certified laboratories employ experienced and professional staff who are trained in the proper handling and analysis of biological samples.


Overall, choosing SAMHSA-certified labs is a logical step for ensuring the accuracy and reliability of drug and alcohol testing in the transportation industry. This helps to maintain safety and consistency across all DOT-regulated companies, which is essential for protecting the public and ensuring the integrity of the transportation industry.

goMDnow offers a range of services, including drug and alcohol testing through SAMHSA-certified labs. With nationwide drug testing locations, we make it easy for clients to access the testing centers, no matter where they are located.

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