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Lead, Capillary
Test Code39027
CPT Codes
83655
Preferred Specimen
0.5 mL capillary blood collected in EDTA capillary (lavender-top) tube
Minimum Volume
0.2 mL
Instructions
Collection material such as alcohol swabs should be lead-free. Use powderless gloves. For capillary collection, wash hands thoroughly with soap and dry with clean, low-lint towel. Once washed, fingers must not come into contact with any surface. Clean skin (finger or other area for venipuncture) with lead-free alcohol swab prior to puncture. Avoid worksite collection.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 60 days
Refrigerated: 14 days
Frozen: 60 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted specimens
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) or Atomic Spectroscopy (AS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Monday, Wednesday, Friday Evening Report available: 4 Days
Reference Range
Birth-6 years | <3.5 mcg/dL |
>6 years | <3.5 mcg/dL |
Blood lead levels in the range of 3.5-9 mcg/dL have been associated with adverse health effects in children aged 6 years and younger. Patient management varies by age and CDC Blood Lead Level range. Refer to the CDC website regarding Lead Publications/Case Management for recommended interventions.
Clinical Significance
Blood lead level analysis is performed to evaluate the body burden of lead.