Lead (Venous)
Also known as: PB, Pediatric, Blood Lead, Lead Screen, PB
Use
Measurement of venous blood lead levels provides critical information about lead exposure in patients. Elevated lead in the bloodstream can cause multi-system toxicity, affecting neurocognitive, cardiovascular, and renal function, particularly in vulnerable populations such as children and pregnant individuals.
Special Instructions
Test is not available for New York patient testing; for New York testing use test code 13650 which has identical testing except for NY compliance. This test is performed at Quest Diagnostics, Lewisville, transferred from Nichols Institute, Valencia.
Limitations
Specimens collected in inappropriate containers (e.g., EDTA lavender–top, clotted, or otherwise contaminated samples) may yield inaccurate results; light-protective handling may be required depending on site protocols.
Methodology
Other
Biomarkers
LOINC Codes
- 77307-7
Result Turnaround Time
Not provided.
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
Not provided
Minimum Volume
Not provided
Container
EDTA (lavender‑top) tube is rejected; use light‑protected EDTA K2 (tan‑top) tube
Collection Instructions
Avoid lavender‑top; use tan‑top light‑protected tube
Causes for Rejection
Clotted specimen; EDTA (lavender‑top) tube; hemolyzed; frozen; not protected from light