Recommended Actions Based on Blood Lead Level

About this resource:

HHS Non-Systematic Review

Source: Centers for Disease Control and Prevention

Last Reviewed: August 2021

This resource is an evidence-based guide on follow-up care for children based on blood lead levels — measured in μg/dL (micrograms per deciliter). It details steps for care management based on the following categories of blood lead level:

  • < 3.5 μg/dL 
  • 3.5–19 μg/dL 
  • 20–44 μg/dL 
  • ≥45 μg/dL
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Suggested Citation


Centers for Disease Control and Prevention, National Center for Environmental Health, Division of Environmental Health Science and Practice. (2020). Recommended actions based on blood lead level. Retrieved from