Barium, Urine

CPT: 83018
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Expected Turnaround Time

3 - 7 days

Specimen Requirements


Urine (random)


10 mL

Minimum Volume

0.5 mL


Metal-free plastic urine container or metal-free transfer tube


Use metal-free or acid washed containers for collection; transfer an aliquot of urine to a metal-free transport tube.

Storage Instructions

Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.

Causes for Rejection

Use of non−metal-free collection containers or tubes

Test Details


Evaluate exposure to barium


Inductively coupled plasma/mass spectrometry (ICP/MS)

Reference Interval

Unexposed population: <20.0 ng/mL


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
811570 Barium, Urine 808546 Barium ng/ml 5590-5

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