Test Details
Mnemonic
UPBR
Ordering Code
3600391
CPT-4 Code(s)
83655
Specimen Information
Patient Preparation
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 (upon the advice of their physician). 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.
Collect
Random urine
Specimen Preparation
Mix well and send 8.0 mL urine in a blue-capped ARUP metal-free screw capped plastic vial. Please contact laboratory for metal-free screw capped plastic vials. Specimens in other containers will be rejected.
Minimum Volume
1.0 mL
Transport Temperature
Refrigerated
Rejection Criteria
Urine collected within 72 hours after administration of iodinated or gadolinium-based contrast
media.
media.
Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 1 year
Refrigerated: 14 days
Frozen: 1 year
Methodology
Quantitative Inductively Coupled Plasma-Mass Spectrometry
Reference Range
Lead, Urine - per volume 0.0-5.0 μg/L
Lead, Urine - ratio to CRT 0.0-5.0 μg/gCRT
Lead, Urine - ratio to CRT 0.0-5.0 μg/gCRT
Performing Laboratory
ARUP
New York DOH Approval Status
Yes