Silicon, Urine
Test Code
11042
84285
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
Clinical Significance
Silicon, Urine - Exposure monitoring/investigation; this test assesses the presence of Silicon and does NOT measure Silica or Silicone. Silica is silicon dioxide (SiO2), which is found in quartz and sand. Silicones are inert synthetic organosilicon compounds used in adhesives, sealants, lubricants, medical applications, insulation and cooking utensils.
Test Resources
None found for this test
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Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.
Test Details
Avoid exposure to gadolinium based contrast media for 48 hours prior to sample collection
Methodology
Ion Coupled Plasma/Optical Emission Spectrophotometry (ICP/OES)
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the US Food and Drug Administration.
Reference Range(s)
See Laboratory Report
Preferred Specimen(s)
6 mL urine collected in an acid-washed or trace metal-free plastic urine container
Minimum Volume
2.7 mL
Transport Container
Acid-washed or trace metal-free plastic urine container
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 14 days
- Refrigerated: 14 days
- Frozen: 30 days
Reject Criteria
Glass container
Setup Schedule
6 mL urine collected in an acid-washed or trace metal-free plastic urine container
2.7 mL
Acid-washed or trace metal-free plastic urine container
Room temperature
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Glass container