Choosing Between Sst And Red Top Tubes: Factors To Consider In Phlebotomy

Summary

• SST tubes are best for serum testing.
• Red Top tubes are ideal for blood clotting tests.
• Consider the specific test requirements when choosing between the two tube types.

Introduction

When it comes to phlebotomy, choosing the right tube for blood collection is crucial to ensure accurate Test Results. The two most common types of tubes used in phlebotomy are the Serum Separator Tube (SST) and the Red Top tube. Both tubes have specific uses and are designed to meet the requirements of different types of blood tests. In this article, we will explore the differences between SST and Red Top tubes and how to choose between them based on the specific test requirements.

SST Tubes

SST tubes, also known as serum separator tubes, are used for collecting blood samples for serum testing. These tubes contain a gel barrier that separates the serum from the blood cells after the blood has been centrifuged. The gel barrier helps to prevent contamination of the serum by the blood cells, ensuring accurate Test Results. SST tubes are most commonly used for tests that require serum, such as chemistry panels, hormone tests, and drug level tests.

Advantages of SST Tubes

1. Prevent contamination of serum by blood cells.
2. Easy separation of serum from blood cells during centrifugation.
3. Compatible with a wide range of serum tests.

Disadvantages of SST Tubes

1. Not suitable for tests that require whole blood.
2. May not be ideal for tests that require plasma instead of serum.
3. More expensive than regular blood collection tubes.

Red Top Tubes

Red Top tubes, also known as plain tubes or Clot Activator tubes, are used for collecting blood samples for clotting tests. These tubes contain no additives and are used to collect blood samples that need to clot before further processing. Red Top tubes are most commonly used for tests that require whole blood, such as coagulation tests, blood typing, and Blood Glucose tests.

Advantages of Red Top Tubes

1. Ideal for tests that require whole blood.
2. Cost-effective compared to SST tubes.
3. Compatible with a wide range of clotting tests.

Disadvantages of Red Top Tubes

1. Not suitable for tests that require serum instead of whole blood.
2. Require longer processing time due to clotting.
3. Potential for contamination if blood does not clot properly.

Choosing Between SST and Red Top Tubes

When deciding between using SST tubes and Red Top tubes for blood collection, it is essential to consider the specific requirements of the test being performed. Here are some factors to consider when choosing between the two tube types:

Test Requirements

1. If the test requires serum, such as chemistry panels or hormone tests, SST tubes are the preferred choice.
2. For tests that require whole blood, such as coagulation tests or blood typing, Red Top tubes are the best option.
3. Consider the test's specific requirements and consult the laboratory or healthcare provider for guidance if necessary.

Clinical Considerations

1. Consider the patient's medical history and any potential contraindications to certain tests or tube types.
2. Take into account the patient's condition and any factors that may affect blood collection, such as medication or recent procedures.
3. Consult with the healthcare team to determine the most appropriate tube type for the patient's specific needs.

Cost and Availability

1. Consider the cost of the tubes and any potential cost savings by choosing one type over the other.
2. Ensure that the chosen tube type is readily available in the healthcare facility or laboratory where the test will be performed.
3. Consult with the laboratory or Supply Chain management to ensure that the required tubes are in stock and accessible when needed.

Conclusion

Choosing between SST and Red Top tubes in phlebotomy is a critical decision that can impact the accuracy of Test Results. Understanding the differences between the two tube types and considering the test requirements, clinical considerations, and cost and availability factors can help Healthcare Providers and phlebotomists make informed decisions when selecting the appropriate tube for blood collection. By carefully considering these factors and consulting with the healthcare team when needed, phlebotomists can ensure that blood samples are collected accurately and efficiently for the best possible test outcomes.

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