Differences in Additives and Processing Requirements for SST and Red Top Tubes in Healthcare Settings
Summary
- SST (Serum Separator Tube) and Red Top tubes are both commonly used in clinical labs and hospitals in the United States
- The main difference between SST and Red Top tubes lies in the additives and processing requirements
- Understanding these differences is crucial for accurate sample collection and analysis in healthcare settings
Differences in Additives and Processing Requirements
SST (Serum Separator Tube)
An SST Tube contains a gel separator that forms a barrier between the serum and the blood cells after centrifugation. This gel separator allows for easy and clean separation of serum from the blood sample.
- The gel separator used in SST tubes is typically made of a material called silica particles or silica-coated particles.
- After blood collection, the SST Tube must be inverted several times to ensure proper mixing of the gel separator with the blood sample.
- Once inverted, the tube is allowed to clot for a specified amount of time before being centrifuged.
Red Top Tube
A Red Top tube, on the other hand, does not contain a gel separator. Instead, it relies on the natural process of blood clotting to separate serum from the blood cells during centrifugation.
- Red Top tubes usually contain no additives, except for a Clot Activator, which promotes the clotting process.
- After blood collection, the Red Top tube is allowed to clot for a specific period of time before being centrifuged.
- Unlike SST tubes, Red Top tubes do not require inversion after blood collection.
Importance of Knowing the Differences
Understanding the specific differences in additives and processing requirements between SST and Red Top tubes is essential for several reasons:
- Accurate Sample Collection: Knowing the correct procedures for handling each type of tube ensures that the blood sample remains viable and uncontaminated for accurate Test Results.
- Proper Test Interpretation: Different tests may require specific tube types to yield accurate and reliable results. Using the wrong tube type can lead to erroneous test outcomes.
- Efficient Workflow: Following the correct processing requirements for each tube type helps streamline laboratory workflows and prevent errors in Sample Handling.
Conclusion
In the realm of home healthcare, clinical labs, and hospitals in the United States, the choice between SST and Red Top tubes can significantly impact the quality and accuracy of diagnostic testing. By understanding the specific differences in additives and processing requirements between these two tube types, healthcare professionals can ensure reliable Test Results and optimal patient care.
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