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

NOTICE: Planned LabOnline System Outage

NOTICE: Planned LabOnline System Outage

When?  JULY 10th, 2022, 5PM – JULY 11th, 2022, 12PM


NH LabOnline System Outage Notice

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