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Test Code LEADMAT Lead, Whole Blood (Maternal)

Performing Laboratory

LabCorp Raritan, NJ

Reference Values

See report

Test Classification and CPT Coding

83655

 

Loinc:  5671-3

Physician Office Specimen Requirements

Container/Tube: Royal blue-top (EDTA) tube or tan-top lead-free tube

Specimen: 3 mL Whole Blood (0.5mL min)

Transport Temperature: Refrigerated

 

Stability-14 Days Refrigerated, Room Temperature and Frozen

Clinical Utilities

Monitor maternal blood for environmental lead exposure. The Centers for Disease Control and Prevention recommends the following testing schedule for frequency of maternal blood lead follow-up during pregnancy

 

 

Result of Screening Test

Perform Diagnostic Test on Venous Blood

<5 μg/dL

No follow-up is indicated.

5−14 μg/dL

Within one month. Obtain a maternal BLL or cord BLL at delivery.

15−24 μg/dL

Within one month and then every two to three months. Obtain a maternal BLL or cord BLL at delivery.

25−44 μg/dL

Within one to four weeks and then every month. Obtain a maternal BLL or cord BLL at delivery. Within 24 hours and then at frequent intervals depending on clinical interventions and trends in BLL. Consultation with a clinician experienced in the management of pregnant women with BLLs in this range is strongly advised. Obtain a maternal BLL or cord BLL at delivery

 

Methodology

Atomic absorption spectrometry (AAS) or inductively coupled plasma/mass spectrometry (ICP/MS)

Computer Interface Code

PDM # 1659234