88175:SELENIUM (Se), URINE

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88175:SELENIUM (Se), URINE
Methodology: Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Edit Date: 8/6/2009
Performed: Tuesday, Friday
Released: 1-5 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 84255-90
Specimen Collection Details
Collection: 24-hour or random urine in a plastic container. Refrigerate during collection, storage, and transport.
Handling: Mix well and record total volume on requisition. Aliquot into two ARUP Trace Element-Free transport tubes, available from Client Services.
Stability: 7 days ambient, 14 days refrigerated, or 1 year frozen. Studies show that refrigeration alone preserves specimens adequately, if tested within 14 days.
Standard Volume: 10 mL urine aliquot.
Minimum Volume: 5 mL urine aliquot.
Transport: Refrigerated.
Rejection Criteria: Urine collected within 48 hours after administration of a gadolinium (Gd) containing contrast media (may occur with MRI studies); acid preserved urine.

Reference Range:
Components Reference Interval
Selenium, Urine 0-200 µg/L
Selenium, Urine (24-hour) 0-200 µg/d
Selenium per gram of creatinine No reference interval (µg/g crt)
Creatinine (24-hour) Male Female
3-8 years 140-700 mg/d 140-700 mg/d
9-12 years 300-1300 mg/d 300-1300 mg/d
13-17 years 500-2300 mg/d 400-1600 mg/d
18-50 years 1000-2500 mg/d 700-1600 mg/d
51-80 years 800-2100 mg/d 500-1400 mg/d
≤ 81 years 600-2000 mg/d 400-1300 mg/d