An Excessive Heat Warning is in effect on July 23, 2014 for La Paz, Maricopa, Pinal, and Yuma Counties until July 24, 2014 at 8:00 PM. Learn more about how to stay safe in extreme heat and stay informed about future heat alerts.

Bureau of State Laboratory Services


The Bureau of State Laboratory Services exists for the protection of the health of all Arizonans. Laboratory analyses are provided to identify and investigate infectious and communicable diseases including newly emergent pathogens. We also investigate a variety of chemical and microbiological contaminants in the efforts to monitor and reduce these sources of contamination.

We partner with multiple teams, including Arizona Epidemiology and Disease Control, to investigate and protect the health of the entire community. We also work with our local, state, and federal partners to improve the Arizona Laboratory System.

Key laboratory analyses/support include:

  • Newborn Screening
  • Biomonitoring
  • Pertussis
  • Drinking Water
  • Pesticide Spills
  • Epidemic Detection
  • Plague
  • Rabies
  • Hantavirus
  • Surface Waters
  • Illegal Disposals
  • Toxic Fires
  • Influenza
  • Tuberculosis
  • Lead Poisoning
  • West Nile Virus