Guidelines and Recommendations

Resources and guidance documents to support effective childhood lead poisoning prevention programs.

Some of the documents below refer to a blood lead level of 5 micrograms per deciliter (μg/dL) as the CDC’s blood lead reference value. CDC uses a blood lead reference value of 3.5 micrograms per deciliter (µg/dL) to identify children with blood lead levels that are higher than most children’s levels. This level is based on the 97.5th percentile of the blood lead values among U.S. children ages 1-5 years  from the 2015-2016 and 2017-2018 National Health and Nutrition Examination Survey (NHANES) cycles. Children with blood lead levels at or above the BLRV represent the top 2.5% with the highest blood lead levels.

Some of the documents on this page are presented for historical purposes and are not being maintained or updated.

Health Care Systems/Insurance Guidelines
Primary Prevention Guidelines
Screening and Case Management Guidelines

Note: CDC uses a blood lead reference value of 3.5 micrograms per deciliter (µg/dL) to identify children with blood lead levels that are  higher than most children’s levels. This level is based on the on the 97.5th percentile of the blood lead values among  U.S. of children ages 1-5 years from the 2015-2016 and 2017-2018 National Health and Nutrition Examination Survey (NHANES) cycles. Children with blood lead levels at or above the BLRV represent those at the top 2.5% with the highest blood lead levels.

The documents below refer to a blood-lead level of 10 micrograms per deciliter (μg/dL) as the CDC level of concern for adverse health outcomes in children. This terminology is outdated, and readers are referred to the ACCLPP recommendations of 2012.

Lead Toxicology Reports

** These documents are being kept on this website for historical purposes and are no longer in print.