Differences Between Gold Top SST Tubes and Red Top Tubes: Impact on Sample Processing and Test Results

Summary

• Gold Top SST tubes and Red Top tubes have differences in terms of the additives used in them.
• Processing samples in Gold Top SST tubes may result in a higher yield of serum compared to Red Top tubes.
• Understanding the nuances of each tube type can help ensure accurate and reliable Test Results in clinical settings.

Introduction

When it comes to sample processing in clinical laboratories, the type of collection tube used can have a significant impact on the quality and accuracy of Test Results. Two commonly used tubes for blood collection are the Gold Top SST Tube and the Red Top tube. While both tubes serve similar purposes, they differ in terms of the additives used in them, which can affect the processing and handling of samples. In this article, we will explore the differences between Gold Top SST tubes and Red Top tubes and how they can impact sample processing.

Gold Top SST Tubes vs. Red Top Tubes

Gold Top SST Tubes

Gold Top SST tubes, also known as serum separator tubes, contain a gel that separates blood cells from serum during the centrifugation process. This gel acts as a barrier between the serum and the cells, allowing for easy separation of the two components. Gold Top SST tubes typically contain a Clot Activator, which helps facilitate the clotting process and enhance serum separation.

Red Top Tubes

Red Top tubes, on the other hand, do not contain a gel separator. Instead, they may contain anticoagulants such as EDTA, Heparin, or citrate, depending on the specific test requirements. These tubes are typically used for collecting whole blood samples for various tests that do not require serum separation.

Sample Processing Differences

One of the key differences between Gold Top SST tubes and Red Top tubes is the handling of samples during processing. When samples are collected in a Gold Top SST Tube, the tube must be inverted several times to ensure proper mixing of the Clot Activator with the blood. This step is crucial for promoting the clotting process and enhancing serum separation during centrifugation.

In contrast, samples collected in Red Top tubes do not require mixing since they do not contain a gel separator. However, these tubes may require immediate processing to prevent clotting or other changes in the sample composition.

Impact on Sample Yield

Another important factor to consider when comparing Gold Top SST tubes and Red Top tubes is their impact on sample yield. Studies have shown that processing samples in Gold Top SST tubes can result in a higher yield of serum compared to Red Top tubes. The gel separator in Gold Top SST tubes helps to retain a larger volume of serum, making it easier to collect and analyze.

On the other hand, Red Top tubes may yield lower serum volumes due to the absence of a gel separator. This can be problematic for tests that require larger sample volumes or when multiple tests need to be performed on a single sample.

Conclusion

In conclusion, the choice between using Gold Top SST tubes and Red Top tubes for sample processing can have a significant impact on the quality and accuracy of Test Results. Understanding the differences between these two tube types can help laboratory staff make informed decisions when collecting and processing samples. By selecting the appropriate tube for the specific test requirements, Healthcare Providers can ensure reliable and accurate results for patient care.

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