Reference Range

COMPONENT REFERENCE INTERVAL Lead, Whole Blood < 6 years: <3.5 ?g/dL In 2021, CDC revised the blood lead reference level for children ages 1-5 years to less than 3.5 ug/dL. Children with levels at or above this value represent those at the top 2.5% of blood levels. CDC recommendations for clinical follow up and lead level monitoring may vary depending on initial measured lead level and the child's age. Local and state health departments also may have different recommendations for monitoring and clinical follow up. Please consult your local or state health department, or the CDC's website regarding monitoring of lead levels in children: https://www.cdc.gov/nceh/lead/acclpp/actions_blls.html COMPONENT REFERENCE INTERVAL Lead, Whole Blood >= 6 years: < 5.0 ?g/dL CDC recommendations for clinical follow up and lead level monitoring may vary depending on initial measured lead level and the patient's age. Local and state health departments also may have different recommendations for monitoring and clinical follow up. Please consult your local or state health department, or the CDC's website regarding monitoring of lead levels in adults: https://www.cdc.gov/niosh/topics/ables/pdfs/