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- Pb, Blood
Monitor environmental lead exposure in children younger than 16 years.
This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration (FDA).
Atomic absorption spectrometry (AAS) or inductively coupled plasma/mass spectrometry (ICP/MS)
Environmental exposure: 0 to 15 years: 0−4 μg/dL1
The Centers for Disease Control and Prevention recommends the following testing schedule for children with elevated BLLs (blood lead levels) on a screening test.2 See table.
Time to Confirmation Testing:
*The higher the BLL on the screening test, the more urgent the need for confirmation testing.
1 to 3 m
1 wk to 1 m*
Urgently as emergency test
3 mL (venous)
0.5 mL (venous)
Royal blue-top (EDTA) tube or tan-top lead-free tube; submit original tube.
Mix blood thoroughly to avoid clotting.
Maintain specimen at room temperature.
Causes for Rejection
Capillary specimen in Microtainer tubes; clotted specimen
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|717009||Lead, Blood (Pediatric)||77307-7||007030||Lead, Blood (Peds) Venous||ug/dL||77307-7|