LEAD, RANDOM OR 24 HOUR URINE

General Information

Performed: Sun-Sat

Turn Around Time: 2-5 days

CPT Codes: 83655

Performed By: Referral Lab

Notes:

Diet, medication, and nutritional supplements may introduce interfering substances. Patients should be encouraged to discontinue nutritional supplements, vitamins, minerals, and non-essential over-the-counter medications. High concentrations of iodine may interfere with elemental testing. Collection of urine specimens from patients receiving iodinated or gadolinium-based contrast media should be avoided for a minimum of 72 hours post-exposure. Collection from patients with impaired kidney function should be avoided for a minimum of 14 days post-contrast media exposure.

For Lab Staff Only:  No pH adjustment or preservative required. Aliquot into trace element-free tube. 

Clinical Utility: May be useful in the assessment of chronic lead exposure or in monitoring chelation therapy.

Link: Lead, Urine

Components

Specimen Requirements