The reference level for elevated blood lead in United States children was lowered by the Centers for Disease Control and Prevention to 3.5 mcg/dL (0.17 micromol/L) as of October 2021. Refer to UpToDate content on perinatal lead exposure.
Reproduced from: Ettinger AS, Gurthrie Wengrovitz A, (Eds). Guidelines for the identification and management of lead exposure in pregnant and lactating women. National Center for Environmental Health/Agency for Toxic Substances and Disease Registry; Centers for Disease Control and Prevention, Atlanta, GA, 2010. Available at
http://www.cdc.gov/nceh/lead/publications/LeadandPregnancy2010.pdf.
