Lead (Venous)

Test Code

CPT Codes

Preferred Specimen
3 mL whole blood collected in a K2 EDTA (tan-top) tube

Minimum Volume
0.5 mL

Other Acceptable Specimens
Whole blood collected in an EDTA (royal blue-top), sodium heparin (royal blue-top) or sodium heparin lead-free (tan-top) tube, or EDTA (lavender-top) tube

Collection material such as alcohol swabs should be lead-free. Use powderless gloves. Once washed, fingers must not come into contact with any surface. Clean skin (area for venipuncture) with lead-free alcohol swab prior to puncture. Avoid worksite collection.

Tests performed on a specimen submitted in a non-trace element tube or non acid-washed/non metal-free container may not accurately reflect the patient's level. If a non-trace element tube/container is received, it will be accepted for testing. However, elevated results shall be reported with a message that re-submission with a trace element tube/container is recommended.

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 60 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted specimen

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
Set up: Mon-Sat; Report available: 1 day

Reference Range
Birth-6 years <3.5 mcg/dL
>6 years <3.5 mcg/dL

Blood lead levels in the range of 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 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.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.