Test Details
Mnemonic
UCHR
Ordering Code
3600060
CPT-4 Code(s)
82495
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
24 hour urine in a plastic container, refrigerate during entire collection period
Specimen Preparation
Mix well and send 8.0 mL urine refrigerated in an ARUP blue capped metal-free screw capped plastic vial. Urine MUST be refrigerated during collection.
Alternate Specimen
Random urine
Minimum Volume
1.0 mL
Transport Temperature
Refrigerated
Rejection Criteria
Urine collected within 72 hours after administration of iodinated or gadolinium based contrast media, specimens contaminated with blood or feces, specimens transported in non-trace metal free containers. Urine preserved with acid.
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
See report
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes