Public Health Laboratories

The Public Health Laboratories are responsible for protecting the public's health in NH through responsive, unbiased, quality laboratory testing.

Information Icon



New COVID-19 Specimen Receipt Acceptance Criteria starting September 1, 2022 – read the Acceptance Criteria

The mission of the Public Health Laboratories (PHL) is to protect the public's health in NH through responsive, unbiased, quality laboratory testing; to actively participate in national and international surveillance networks; and to improve the quality of health and laboratory services in both the public and private sector.

PHL fulfills its mission through these four core functions:

Laboratory Response for Critical Incidents

  • Disease outbreaks
  • Newly emergent diseases
  • Product contamination and/or tampering
  • Terrorism response

Laboratory Analysis for Food Safety Assurance

  • Microbiological testing of dairy products, shellfish and growing waters, and other food products
  • Paralytic shellfish poison (Red Tide) testing
  • Testing for lead and other metals in maple syrup, fish and other food products
  • Testing for mercury in fish

Laboratory Services for Infectious Disease Control

  • Tuberculosis testing
  • Sexually Transmitted Disease testing
  • Vaccine Preventable Disease testing
  • Human Immunodeficiency Virus screening, confirmation and viral load
  • Bacterial, parasitic, and viral identification
  • Drug susceptibility testing
  • Rabies testing

Quality Assurance Leadership

  • Reference lab services for hospital and independent labs in NH
  • Training, internships and technology transfer for laboratorians
  • Laboratory tours, demonstrations, science fairs and lectures
  • Coordination of NH Laboratory Response Network
  • The PHL has federal oversight by CLIA, TNI, FDA, USDA, and ISO

NH PHL CLIA Certificate


For comments, concerns, or for more laboratory information email the Public Health Laboratory: