What is the lead standard for a two-and-a-half-year-old child?

Patient's question:

No

Doctor's answer:

For children, a blood lead level of 100 to 199 micrograms per liter is considered mild, 200 to 449 micrograms per liter is moderate, 450 to 699 micrograms per liter is severe, and above 700 is extremely severe.