What is the CDC's level of concern for lead in children expressed in micrograms per deciliter?

The Centers for Disease Control and Prevention (CDC) has set a reference level for blood lead concentration in children at 5 micrograms per deciliter (µg/dL). This threshold is significant because it indicates a level of lead exposure that may be associated with adverse health effects, including developmental delays and cognitive impairments. When blood lead levels reach or exceed this level, it prompts further action, such as additional testing and potential intervention strategies to reduce exposure and mitigate health risks. Setting the reference level at 5 µg/dL helps public health officials target preventive measures effectively and raises awareness among parents and caregivers regarding the dangers of lead exposure in children.