88175:SELENIUM (Se), URINE
Author PeaceHealth Laboratories
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| 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. |
|
|
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 |
|