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<div class="HwContainer HwElement" id="HwContainer"><a class="HwMainSkipNavigation" href="#HwContentTitle"><span class="HwAccessibilityText">Skip Navigation</span></a><div class="HwBlock" id="HwMain" role="main"><div class="HwRow"><div class="HwColumn" id="HwColumnSidebar1"><div class="HwCustom" id="HwCustomSidebar"> </div></div><div class="HwColumn" id="HwColumnContent"><div id="HwContentTop"> </div><div class="HwTypeMedicalTest HwContentWrapper HwElement" role="article" id="HwContentWrapper"><div class="HwCustom" id="HwCustomContentTop"> </div><div class="HwContentHeader"><p><a name="top" id="Hwtop"><span class="HwAccessibilityText">Top of the page</span></a> </p></div><div class="HwContentTitle"><h1 id="HwContentTitle" tabindex="-1">Lead (Pb) Test</h1></div><div class="HwContentTopNavigation"> </div><div class="HwContent"><div class="HwNavigationSection HwSectionSpecialSection" id="sec-hw8153"><h2 class="HwSectionTitle" fingerprint="d4032d6d" fingerprint-exact="4fcae40e">Test Overview</h2> <p fingerprint="7e548068" fingerprint-exact="46dc0de8">This test measures the amount of lead in a person's blood. Lead is a poisonous (toxic) metal that can damage the brain and other parts of the body. A lead test may be done on blood taken from the vein, a finger (finger stick), or the heel (heel stick).</p> <p fingerprint="fc0622a5" fingerprint-exact="12bfedd4">A person can be exposed to lead:</p> <ul fingerprint="5a509f14" fingerprint-exact="799fbffa"> <li>By eating or drinking lead-contaminated foods, water, or other material (such as paint chips).</li> <li>By breathing dust or smoke containing lead.</li> <li>Through skin contact with lead.</li> </ul> <p fingerprint="7a6c695e" fingerprint-exact="57fe7ddf">There is no safe age to be exposed to lead. A pregnant woman who is exposed to lead can pass it to her baby (<a class="HwLinkDefinition" data-hw-type="Definition" data-hw-document-href="stf124121" data-hw-section="stf124121-sec" rel="Definition" hw:document-type="Definition" hw:document-href="stf124121" data-hwid="stf124121" hw:section-href="stf124121-sec" href="?id=stf124121#stf124121-sec"><span class="HwLinkText">fetus</span></a>). Lead can also be passed to a baby through the mother's breast milk.</p> </div><div class="HwNavigationSection HwSectionSpecialSection" id="sec-hw8161"><h2 class="HwSectionTitle" fingerprint="3d5095ef" fingerprint-exact="55cd7304">Why It Is Done</h2> <p fingerprint="56a256bd" fingerprint-exact="a4fdbac9">Testing for lead is done to:</p> <ul fingerprint="57d4fc0c" fingerprint-exact="b95e4bc9"> <li>Diagnose lead poisoning.</li> <li>See how well treatment for lead poisoning is working.</li> <li>Look for lead poisoning in people who work with lead or lead products or who live in places where the chance of poisoning is high, such as in a large city.</li> <li>Check for the amount of lead in people who live with or play with children who have lead poisoning.</li> </ul> </div><div class="HwNavigationSection HwSectionSpecialSection" id="sec-hw8167"><h2 class="HwSectionTitle" fingerprint="026e985e" fingerprint-exact="df1d0bbc">How To Prepare</h2> <ul fingerprint="d31ea884" fingerprint-exact="c7203af1"> <li>In general, there's nothing you have to do before this test, unless your doctor tells you to.</li> <li>Be sure to tell your doctor if you are using any herbal medicines.</li> </ul> </div><div class="HwNavigationSection HwSectionSpecialSection" id="sec-hw8169"><h2 class="HwSectionTitle" fingerprint="e59ce77f" fingerprint-exact="42dd83e2">How It Is Done</h2> <h3 class="HwSubSectionTitle" fingerprint="15218960" fingerprint-exact="cd9186c1">Blood sample from a heel stick</h3> <p fingerprint="3bbf9a15" fingerprint-exact="bc6f0a31">A heel stick is used to get a blood sample from a baby. The baby's heel is poked, and several drops of blood are collected. Your baby may have a tiny bruise where the heel was poked.</p> <h3 class="HwSubSectionTitle" fingerprint="b0bedc1a" fingerprint-exact="9c280abd">Blood sample from a vein</h3> <p fingerprint="5aae0cd8" fingerprint-exact="a27baf64">A health professional uses a needle to take a blood sample, usually from the arm.</p> <h3 class="HwSubSectionTitle" fingerprint="ffd3beac" fingerprint-exact="500b4a26">Watch</h3> <div class="HwOptionalAll"> <div class="hwMediaLinks"> <ul fingerprint="2a924914" fingerprint-exact="939aff65"> <li class="HwOptionalAny"> <a class="HwLinkMultiMedia" data-hw-type="MultiMedia" data-hw-document-href="acj1944" data-hw-section="acj1944-sec" rel="MultiMedia" hw:document-type="MultiMedia" hw:document-href="acj1944" data-hwid="acj1944" hw:section-href="acj1944-sec" hw:link-type="video" href="?id=acj1944#acj1944-sec"><span class="HwLinkText">Learning About Your Blood Test</span><br><img class="HwMediaImage" data-hw-resource-path="media/thumbnails/acj1944_416x312.jpg" hw:resource-path="media/thumbnails/acj1944_416x312.jpg" src="https://ixbapi.healthwise.net/Resource/14.3/en-us/media/thumbnails/acj1944_416x312.jpg" width="416" height="312" alt hw:release-quarter="14.3"></a> </li> <li class="HwOptionalAny"> <a class="HwLinkMultiMedia" data-hw-type="MultiMedia" data-hw-document-href="aci5157" data-hw-section="aci5157-sec" rel="MultiMedia" hw:document-type="MultiMedia" hw:document-href="aci5157" data-hwid="aci5157" hw:section-href="aci5157-sec" hw:link-type="video" href="?id=aci5157#aci5157-sec"><span class="HwLinkText">Learning About Blood Tests for Children</span><br><img class="HwMediaImage" data-hw-resource-path="media/thumbnails/aci5157_416x312.jpg" hw:resource-path="media/thumbnails/aci5157_416x312.jpg" src="https://ixbapi.healthwise.net/Resource/14.3/en-us/media/thumbnails/aci5157_416x312.jpg" width="416" height="312" alt hw:release-quarter="14.3"></a> </li> </ul> </div> </div> </div><div class="HwNavigationSection HwSectionSpecialSection" id="sec-hw8174"><h2 class="HwSectionTitle" fingerprint="2dd5db50" fingerprint-exact="deba34d5">How It Feels</h2> <h3 class="HwSubSectionTitle" fingerprint="15218960" fingerprint-exact="cd9186c1">Blood sample from a heel stick</h3> <p fingerprint="eb8d5bc8" fingerprint-exact="69481875">A brief pain, like a sting or a pinch, is usually felt when the lancet punctures the skin. Your baby may feel a little discomfort with the skin puncture.</p> <h3 class="HwSubSectionTitle" fingerprint="b0bedc1a" fingerprint-exact="9c280abd">Blood sample from a vein</h3> <p fingerprint="1ac94c75" fingerprint-exact="5d3995d8">When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch.</p> </div><div class="HwNavigationSection HwSectionSpecialSection" id="sec-hw8176"><h2 class="HwSectionTitle" fingerprint="a566bce5" fingerprint-exact="1aacb8d8">Risks</h2> <h3 class="HwSubSectionTitle" fingerprint="ae8d0d32" fingerprint-exact="b698e861">Heel stick</h3> <p fingerprint="5360378d" fingerprint-exact="6759a131">There is very little risk of a problem from a heel stick. Your baby may get a small bruise at the puncture site.</p> <h3 class="HwSubSectionTitle" fingerprint="2856932f" fingerprint-exact="020df966">Blood test</h3> <p fingerprint="f81952f3" fingerprint-exact="73b0e5b4">There is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the site.</p> </div><div class="HwNavigationSection HwSectionSpecialSection" id="sec-hw8180"><h2 class="HwSectionTitle" fingerprint="9413e669" fingerprint-exact="9fa3e414">Results</h2> <p fingerprint="22049f10" fingerprint-exact="465acd27">Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The normal range is just a guide. Your doctor will also look at your results based on your age, health, and other factors. A value that isn't in the normal range may still be normal for you.</p> <p fingerprint="97ebbb9f" fingerprint-exact="763201bc">Results are usually available within 1 week.</p> <p fingerprint="889aa080" fingerprint-exact="e6c2750b">Your doctor will likely want to do more evaluation and another blood lead level test if:<sup class="Reference"><a class="HwLinkReference" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8150-Bib" rel="cite1-Cit" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8150-Bib" hw:name-href="cite1" href="?id=hw8150#hw8150-Bib"><span class="HwAccessibilityText">footnote </span>1</a>, </sup><sup class="Reference"><a class="HwLinkReference" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8150-Bib" rel="cite2-Cit" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8150-Bib" hw:name-href="cite2" href="?id=hw8150#hw8150-Bib"><span class="HwAccessibilityText">footnote </span>2</a></sup></p> <ul fingerprint="5537a1bf" fingerprint-exact="9ad92ee4"> <li>Your child age 1 to 5 years has a blood lead level of 5 <a class="HwLinkDefinition" data-hw-type="Definition" data-hw-document-href="stm159436" data-hw-section="stm159436-sec" rel="Definition" hw:document-type="Definition" hw:document-href="stm159436" data-hwid="stm159436" hw:section-href="stm159436-sec" href="?id=stm159436#stm159436-sec"><span class="HwLinkText">micrograms per deciliter (mcg/dL)</span></a> or higher (or 0.24 <a class="HwLinkDefinition" data-hw-type="Definition" data-hw-document-href="stm159454" data-hw-section="stm159454-sec" rel="Definition" hw:document-type="Definition" hw:document-href="stm159454" data-hwid="stm159454" hw:section-href="stm159454-sec" href="?id=stm159454#stm159454-sec"><span class="HwLinkText">micromoles per liter (mcmol/L)</span></a> or higher).</li> <li>Your older child or you have a blood lead level around 10 mcg/dL or higher (or 0.48 mcmol/L or higher).</li> </ul> </div><div class="HwNavigationSection HwSectionRelatedInformation" id="sec-hw8150-RelInfo"><h2 class="HwSectionTitle" fingerprint="d5f858e0" fingerprint-exact="c0ffe04b">Related Information</h2><ul fingerprint="84fa2609" fingerprint-exact="ec8cccf3"><li class="HwOptionalAny"><a data-hw-type="Focus" data-hw-document-href="zm2257" data-hw-section="zm2257-sec" hw:document-type="Focus" hw:document-href="zm2257" data-hwid="zm2257" hw:section-href="zm2257-sec" href="?id=zm2257#zm2257-sec">Medical Tests: Questions to Ask the Doctor</a></li></ul></div><div class="HwNavigationSection HwSectionReferences" id="sec-hw8150-Bib"><h2 class="HwSectionTitle">References</h2> <blockquote> <h3 class="HwSubSectionTitle">Citations</h3> <ol> <li> <a name="cite1"> </a>Fischbach FT, Dunning MB III, eds. (2009). <i>Manual of Laboratory and Diagnostic Tests</i>, 8th ed. Philadelphia: Lippincott Williams and Wilkins.</li> <li> <a name="cite2"> </a>Centers for Disease Control and Prevention (2012). Announcement: Response to the Advisory Committee on Childhood Lead Poisoning Prevention report, low level lead exposure harms children: A renewed call for primary prevention. <i>MMWR</i>, 61(20): 383. Also available online: http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6120a6.htm?s_cid=mm6120a6_w.</li> </ol> </blockquote> </div><div class="HwNavigationSection HwCreditsSection HwSectionCredits" id="sec-hw8150-Credits"><h2 class="HwSectionTitle">Credits</h2><div class="HwContentInformation"><div class="HwLastUpdated"><p><span class="HwInfoLabel">Current as of: </span> April 30, 2024</p></div><div class="HwCredits"><p><span class="HwInfoLabel">Author: </span><a class="HwLinkExternal" href="https://www.healthwise.org/specialpages/legal/abouthw/en" title="Opens in a new window"><span class="HwLinkText">Ignite Healthwise, LLC Staff</span></a><br><span><b><a class="HwLinkExternal" href="https://www.healthwise.org/specialpages/legal/abouthw/en" title="Opens in a new window"><span class="HwLinkText">Clinical Review Board</span></a></b></span><br>All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare 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data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8150-Bib" id="prevLink-hw8150-Bib" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8150-Bib" href="?id=hw8150#hw8150-Bib">References</a></div><div class="HwContentNavigationTop"><a href="#top">Top of the page</a></div><div class="HwContentNavigationNone"> </div><div class="HwClear"> </div></div></div><div class="HwContentInformation"><div class="HwLastUpdated"><p><span class="HwInfoLabel">Current as of: </span>April 30, 2024</p></div><div class="HwCredits"><p><span class="HwInfoLabel">Author: </span><a class="HwLinkDisclaimer" href="https://www.healthwise.org/specialpages/legal/abouthw/en">Ignite Healthwise, LLC Staff</a></p><p><a class="HwLinkDisclaimer" href="https://www.healthwise.org/specialpages/legal/abouthw/en"><span><b>Clinical Review Board</b></span></a><br>All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.</p></div></div><div class="HwCitations" style="display:none;"><div class="HwCitation" id="cite1-Cit">Fischbach FT, Dunning MB III, eds. (2009). <i>Manual of Laboratory and Diagnostic Tests</i>, 8th ed. Philadelphia: Lippincott Williams and Wilkins.</div><div class="HwCitation" id="cite2-Cit">Centers for Disease Control and Prevention (2012). Announcement: Response to the Advisory Committee on Childhood Lead Poisoning Prevention report, low level lead exposure harms children: A renewed call for primary prevention. <i>MMWR</i>, 61(20): 383. Also available online: http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6120a6.htm?s_cid=mm6120a6_w.</div></div></div></div><div class="HwColumn" id="HwColumnSidebar2"><div class="HwCustom" id="HwCustomNavigationTop"> </div><div class="HwElement" id="HwNavigationWrapper"><div class="HwNavigation" id="HwNavigation" role="navigation"><h3 class="HwNavStackHeader" id="HwNavStackHeader">Topic Contents</h3><ul aria-labelledby="HwNavStackHeader"><li id="nav-hw8153"><a class="HwLinkNavstack" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8153" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8153" href="?id=hw8150#hw8153">Test Overview</a></li><li id="nav-hw8161"><a class="HwLinkNavstack" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8161" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8161" href="?id=hw8150#hw8161">Why It Is Done</a></li><li id="nav-hw8167"><a class="HwLinkNavstack" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8167" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8167" href="?id=hw8150#hw8167">How To Prepare</a></li><li id="nav-hw8169"><a class="HwLinkNavstack" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8169" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8169" href="?id=hw8150#hw8169">How It Is Done</a></li><li id="nav-hw8174"><a class="HwLinkNavstack" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8174" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8174" href="?id=hw8150#hw8174">How It Feels</a></li><li id="nav-hw8176"><a class="HwLinkNavstack" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8176" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8176" href="?id=hw8150#hw8176">Risks</a></li><li id="nav-hw8180"><a class="HwLinkNavstack" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8180" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8180" href="?id=hw8150#hw8180">Results</a></li><li id="nav-hw8150-RelInfo"><a class="HwLinkNavstack" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8150-RelInfo" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8150-RelInfo" href="?id=hw8150#hw8150-RelInfo">Related Information</a></li><li id="nav-hw8150-Bib"><a class="HwLinkNavstack" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8150-Bib" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8150-Bib" href="?id=hw8150#hw8150-Bib">References</a></li><li id="nav-hw8150-Credits"><a class="HwLinkNavstack" data-hw-type="MedicalTest" data-hw-document-href="hw8150" data-hw-section="hw8150-Credits" hw:document-type="MedicalTest" hw:document-href="hw8150" data-hwid="hw8150" hw:section-href="hw8150-Credits" href="?id=hw8150#hw8150-Credits">Credits</a></li></ul></div></div><div class="HwNavigationWrapper HwNavigationEmpty"> </div><div class="HwCustom" id="HwCustomNavigationBottom"> </div></div></div></div><div class="HwBlock" id="HwFooter"><div class="HwRow"><div class="HwCustom HwColumn" id="HwCustomFooterLeft"> </div><div class="HwColumn" id="HwFooterLegal"><div class="HwLegal HwElement" role="contentinfo"><div class="HwLogo"><a class="HwLinkExternal" href="https://www.healthwise.org/specialpages/legal/abouthw/en"><img class="HwNoHcMode" data-hw-resource-path="media/interface/hwlogo.png" alt="Click here to learn about Ignite Healthwise, LLC" src="https://ixbapi.healthwise.net/Resource/14.3/en-us/media/interface/hwlogo.png" hw:resource-path="media/interface/hwlogo.png" hw:release-quarter="14.3"><img class="HwHcMode" data-hw-resource-path="media/interface/hwlogo_hc.png" alt="Click here to learn about Ignite Healthwise, LLC" src="https://ixbapi.healthwise.net/Resource/14.3/en-us/media/interface/hwlogo_hc.png" hw:resource-path="media/interface/hwlogo_hc.png" hw:release-quarter="14.3"></a></div><div class="HwDisclaimer"><p>This information does not replace the advice of a doctor. 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