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

Methodology

Quantitative Inductively Coupled Plasma/Mass Spectrometry
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Reference Range

See report
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Performing Laboratory

ARUP
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New York DOH Approval Status

Yes
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