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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)

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