Pb, Blood
8 days
Atomic absorption spectrometry (AAS) or inductively coupled plasma/mass spectrometry (ICP/MS)
Environmental exposure: 0 to 15 years: 0.0−3.4 μg/dL1
Submit original tube. Causes for Rejection: Capillary specimen in Microtainer tubes, clotted specimen
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Screens for lead exposure in children. Critical for early detection of lead toxicity, which can affect cognitive development.
Whole Blood
1 mL
Royal blue-top (EDTA) tube or tan-top lead-free tube.
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Mix blood thoroughly to avoid clotting.
| Temperature | Period |
|---|---|
| Room temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |