The blood lead test tells you how much lead is in your child's blood. Lead can harm a child's growth, behavior, and ability to learn. The lower the test result, the better.
Most lead poisoning occurs when children lick, swallow, or breathe in dust from old lead paint. Most homes built before 1978 have old lead paint, often under newer paint. If paint peels, cracks, or is worn down, the chips and dust from the old lead paint can spread onto floors, windowsills and all around your home. Lead paint dust can then get onto children's hands and toys, and into their mouths.
Most children have had some contact with lead in old paint, soil, plumbing, or another source. This is why New York State requires doctors to test all children with a blood lead test at age 1 year and again at age 2 years. For children up to age six years, at every well child visit your healthcare provider should ask you about ways your child may have had contact with lead. Your child should be tested if they had contact with lead.
If a test result is shows high levels using blood from a fingertip, the child should be checked again with a second test using blood taken from a vein (often in the arm). If the second result is still high, you should follow the steps below. [Source: health.ny.gov]
Test Result
in micrograms per deciliter (mcg/dL) |
Next Steps |
0-4 |
There is very little lead in your child’s blood.
The average lead test result for young children is about 1.4 micrograms per deciliter (µg/dL). |
5-14 |
Your child’s lead level is high. A result of 5 µg/dL or higher requires action.
Your doctor or nurse will talk with you about your child’s diet, growth and development, and possible sources of lead.
Your local health department will talk with you about how to protect your child and will visit your home to help you find sources of lead.
Your child should be tested again in 1 to 3 months. |
15-44 |
Your child's lead level is quite high. You and your doctor should act quickly.
Your doctor or nurse will talk with you about your child’s diet, growth and development, and possible sources of lead.
Your local health department will talk with you about how to protect your child and will visit your home to help you find sources of lead.
Your child should be tested again in 1 month or sooner depending on the blood lead level and your doctor’s guidance. |
45 or higher |
Your child needs medical treatment right away.
Your doctor or local health department will call you as soon as they get the test result.
Your child might have to stay in a hospital, especially if your home has lead.
Your local health department will visit your home to help you find sources of lead.
Your child should not go back home until the lead sources are removed or fixed.
Your child needs to be tested again after treatment. |
Source: NYS Department of Health. Download a PDF from the NYSDOH website.