• Departments
  • Commissioners Court
  • Elected Officials
  • Courts
  • Justice of the Peace Courts
  • Constables
  • Employment Doing Business Our Community How Do i...
  • Apply For
  • Search For
  • Access
  • Pay
  • Register For
  • View
  • OpenBooks

    Chemistry and Toxicology Laboratory



    Laboratory equipment

    Forensic Chemistry

    Forensic chemists analyze drugs submitted by other agencies.  Drug types received commonly range from clandestine chemical substances to therapeutic or prescribed medications.  Cocaine, heroin, marijuana and amphetamines, all drugs of abuse, represent the most common products received for chemical assay. Law enforcement agencies within the medical examiner’s district are faced daily with the challenge of identifying drugs found subsequent to an arrest or search warrant execution.

    Forensic Toxicology

    Forensic toxicological services were established at the Medical Examiner’s Office in 1983.  Subsequently, the toxicology laboratory has expanded to include mass spectrometry, gas chromatography and high-pressure liquid chromatography analysis.  The toxicology laboratory provides drug testing to assist medical examiners in determining the cause and manner of death by isolating, identifying and determining the level of chemicals in collected specimens.  Additionally, the forensic toxicology laboratory participates regularly in established analytical proficiency testing and quality assurance programs.

    A copy of the current Laboratory Services Handbook may be downloaded using the following link:

       Lab Services Handbook
    This page was last modified on March 29, 2022


    County Telephone Operator 817-884-1111

    Tarrant County provides the information contained in this web site as a public service. Every effort is made to ensure that information provided is correct. However, in any case where legal reliance on information contained in these pages is required, the official records of Tarrant County should be consulted. Tarrant County is not responsible for the content of, nor endorses any site which has a link from the Tarrant County web site.

    This site is best experienced with supported browsers: Internet Explorer 9 and above, Google Chrome, Mozilla Firefox, or Apple Safari. If you use an older or unsupported browser, you might notice that some features do not function properly. Click the browser name above to learn more about the recommended browsers.

    County Seal

    100 E. Weatherford, Fort Worth, Texas 76196