Silcon, Serum/Plasma

Message
For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.


Test Code
SILCON


Alias/See Also
NMS Code 4190SP


CPT Codes
84285

Preferred Specimen
2 mL Serum from a no additive Trace Metal Free Royal Blue top

OR

2mL Plasma from a Trace Metal Free K2EDTA Royal Blue Top tube


Minimum Volume
0.7 mL


Instructions
Serum: Collect sample in Royal Blue top tube (Trace metal-free; No additive)
Plasma: Collect sample in Royal Blue top tube (Trace metal-free; K2EDTA).
Centrifuge and separate Serum or Plasma into an acid washed plastic screw capped vial


Transport Container
Plastic container (Acid washed or Trace metal-free)


Transport Temperature
Refrigerated


Specimen Stability
Room Temperature: 14 Days
Refrigerated: 21 Days
Frozen: 14 Days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Glass container. Gel separation tube (SST or PST).


Methodology
Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES)

Report Available
7 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


Performing Laboratory
NMS LABORATORIES
3701 WELSH ROAD
WILLOW GROVE, PA 19090-2910


Last Updated: August 5, 2022


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.