Connecticut State Department of Public Health

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Medical Providers should fax elevated blood lead results to (959) 200–4751

Universal blood lead screen is mandatory in Connecticut

  • All children between the ages of 9 and 35 months must be tested annually for lead in blood
  • All children between the ages of 36 and 72 months must be tested, if not previously tested for lead in blood or if at an elevated risk based on medical assistance program enrollment or a residence in a municipality that presents an elevated risk of lead exposure based on factors, including, but not limited to, the prevalence of housing built prior to January 1, 1960, and the prevalence of children’s blood lead levels greater than 5 µg/dL
      1. Based on data from the 2022: American Community Survey 5-year Estimates, the Department has identified the following municipalities that have the highest prevalence of housing built prior to January 1, 1960: Bridgeport, Hartford, Meriden, New Britain, New Haven, Norwalk, Stamford, Stratford, Waterbury and West Hartford.
      2. Based on the 2022 surveillance data, the Department has identified the following municipalities as having the highest prevalence of children’s blood lead levels greater than 5 µg/dL: Bridgeport, Bristol, Danbury, Hartford, Manchester, Meriden, New Britain, New Haven, Torrington and Waterbury.

        To view a map of the highest prevalence of pre-1960 housing and municipalities that have the highest prevalence of children’s blood lead levels greater than 5 µg/dL, click here. 
  • All children under 72 months must be tested if clinically indicated
  • Healthcare providers must provide education and guidance to parents regarding lead poisoning prevention before testing
  • Healthcare providers must notify parents when a child has a blood lead level greater than 3.5 µg/dL
  • Medical providers must conduct a medical risk assessment at least annually for children between the ages of 36 months and 72 months

For a copy of the Requirements and Guidance Fact Sheet for Health Care Professionals (updated 03/01/2024), click here. This document contains the following information:

  • Blood lead testing requirements in Connecticut
  • Timetable for confirming capillary testing
  • Schedule for venous follow-up testing
  • Reporting requirements
  • Medical risk assessment guidance
  • Resources

Regional Lead Treatment Centers

There are two (2) Regional Lead Treatment Centers in Connecticut that specialize in providing guidance and assistance with clinic management of a lead poisoned child. They are located at:

  • Connecticut Children’s Medical Center | (860) 837–9901
  • Yale-New Haven Children’s Hospital | (203) 688-2195

Educational materials can be found here.