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 Forensic Toxicology / Workplace Drug Testing

​​Toxicology services include:

  • ​Pain management
  • Clinical and therapeutic drug monitoring
  • Workplace testing
  • Point of care testing

​Previously a SAMHSA certified laboratory, we still adhere to all federal SAMHSA forensic guidelines. We are CLIA and CAP-forensic toxicology certified. Marshfield Labs maintains a vigorous Proficiency Testing Program to ensure accuracy.

Our laboratory is directed by Dr. Joyce Flana​gan​

All specimens tested:

  • Undergo validity testing for dilution, substitution or adulteration
  • Are confirmed by GC/MS, LC/MS ToF, and LC/MS/MS methods
  • Incorporate with analyte specific cut off levels​

 Contact Toxicology

Phone: 800-331-3734


Send us a message​​​


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