The Illinois Department of Public Health (IDPH) announced universal childhood blood lead testing will take effect July 1, 2026, the culmination of a years-long effort to expand the number of children who receive such testing. Through the Childhood Lead Program, IDPH identifies children who have been exposed to lead and who may need health interventions to address its effects.

“There is no safe level of lead in the blood,” said IDPH Director Dr. Sameer Vohra. “Through our Childhood Lead Program, IDPH has identified thousands of children who have been exposed to lead, allowing for early intervention to address negative health effects and implementation of efforts to limit further exposure. With this move to universal childhood blood lead testing, IDPH is taking another step towards protecting the health and safety of Illinois’ youngest residents.”

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