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Laboratory Services

 Online Renewal System Launches March 22, 2018

On March 22, 2018, our online licensure renewal system will change as we transition to an integrated licensure database.  Here is what you can expect:

  • Uninterrupted access to renew your health profession license online
  • Better paperless management of your  professional license, including:  
    • Change of address applications
    • Name change applications
    • Requests for duplicate certificates or wall licenses
    • Integrated practitioner profile updates
  • Remittance of fees, where required, by debit or credit card, and E-check, as well.
  • Additional licensure applications not previously available online
  • For nursing, the ability to apply to reinstate an existing nursing license that has lapsed or expired

We are excited about these changes designed to expand online access and improve the management of your professional license.  Thank you for your patience during this transition.  Feel free to contact your health related board with any questions or concerns at:  615-532-3202 or Toll Free 1-800-778-4123.


Tennessee Department of Health

Health Related Boards


About Laboratory Services

The Mission of Laboratory Services is to provide high quality analytical services of medical and environmental testing and to achieve the Mission of the Department of Health.

The Tennessee Department of Health (TDH) Laboratory Services consists of the Microbiology Laboratories and Environmental Laboratories in Nashville and Knoxville. The central laboratory is housed in Nashville in a dedicated facility with state of the art equipment. The laboratory consists of 125 full time employees.

The Microbiology Laboratories are licensed by the State of Tennessee Laboratory Licensing Service (LLS) and certified by the Department of Health and Human Services Centers for Medicare and Medicaid Services (CLIA Laboratory Certificate of Compliance) to perform clinical testing. The laboratories perform a wide range of microbiological testing in the areas of Bacteriology, Molecular Biology, Environmental Microbiology, Mycobacteriology, Parasitology, Mycology, Immunoserology, Virology, and Newborn Screening. Laboratory Services is also the State Emergency Preparedness Laboratory for biological agents.

The Environmental Laboratories in Nashville and Knoxville are certified by the Environmental Protection Agency (EPA) under the Safe Drinking Water Act. Each laboratory follows guidelines, regulations, and methodology as prescribed by the EPA, the Nuclear Regulatory Commission (NRC), and other federal or state programs. The Environmental Laboratory consists of the Organic, Inorganic, Radiochemistry, Aquatic Biology, and Chemical Terrorism Laboratories. The Environmental Laboratories perform testing in support of other state departments such as the Department of Environment and Conservation, Department of Labor, and the Department of Transportation.

Lab Services Organizational Chart (January 2018)

Objectives of Laboratory Services

  • To provide quality-assured microbiological and environmental chemistry laboratory services.
  • To assist other Tennessee laboratories in developing and strengthening their laboratory services.
  • To serve the entire state as a reference laboratory for difficult, unusual or otherwise unavailable laboratory procedures.
  • To serve as a resource of information on laboratory practice.
  • To test human and related specimens and environmental samples.
  • To assist in the development, evaluation, and standardization of medical and environmental laboratory testing procedures.
  • To participate in special studies and research projects.
  • To provide refresher training and information updates.


Central Laboratory

Laboratory Services
630 Hart Lane
Nashville, Tennessee 37243
Phone: (615) 262-6300
Fax: (615) 262-6393

Regional Laboratories

Knoxville Regional Laboratory
2102 Medical Center Way
Knoxville, TN  37950
Phone: (865) 549-5201
Fax: (865) 594-5199