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Silicon, Urine
Test Code11042X
CPT Codes
84285
Preferred Specimen
6 mL urine collected in an acid washed or trace metal-free plastic urine container
Patient Preparation
Avoid exposure to gadolinium based contrast media for 48 hours prior to sample collection
Minimum Volume
2.7 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Glass container
Methodology
Ion Coupled Plasma/Optical Emission Spectrophotometry (ICP/OES)
Setup Schedule
Set up: As needed: Report available: 8 days
Clinical Significance
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.
