Test Details
Mnemonic
UPBA
Ordering Code
3685350
CPT-4 Code(s)
83655
Specimen Information
Patient Preparation
Patients should be encouraged to discontinue vitamins, nutritional supplements and nonessential over-the-counter medications prior to specimen collection. 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 past-contrast media exposure.
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 past-contrast media exposure.
Collect
24 hour urine, refrigerate during collection
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. Record total volume on test requisition and specimen label.
Minimum Volume
1.0 mL
Transport Temperature
Refrigerated
Rejection Criteria
Specimens contaminated with blood or fecal material. Specimens transported in non-trace element free transport tubes. Urine collected within 72 hours after administration of iodinated or gadolinium-based contrast 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 ug/L
Lead, Urine - per 24h: 0.0 - 8.1 ug/d
Lead, Urine - ratio to CRT: 0.0 - 5.0 ug/g CRT
Creatinine, Urine - per 24h: See report
Lead, Urine - per 24h: 0.0 - 8.1 ug/d
Lead, Urine - ratio to CRT: 0.0 - 5.0 ug/g CRT
Creatinine, Urine - per 24h: See report
Performing Laboratory
ARUP
New York DOH Approval Status
Yes