Best Practices for Handling and Storing Blood Samples in Light Green Top Tubes

Summary

Introduction

When it comes to collecting blood samples for medical testing, different types of tubes are used depending on the specific tests that need to be conducted. One common type of tube used for storing blood samples is the Light Green Top tube. In this article, we will explore how blood samples are stored in a Light Green Top tube, the purpose of this type of tube, and best practices for handling and storing blood samples to ensure accurate Test Results.

What is a Light Green Top Tube?

A Light Green Top tube is a vacuum-sealed tube that contains a specific additive to prevent blood from clotting. The additive found in Light Green Top tubes is sodium Heparin, which works by inhibiting the clotting process in the blood sample. This is important for certain types of blood tests that require the blood to remain in a liquid state during the testing process.

Why is Sodium Heparin Used?

Sodium Heparin is a common Anticoagulant that is used in Light Green Top tubes to prevent blood clotting. When blood clots, it can interfere with the accuracy of certain blood tests by causing the blood cells to clump together. By using sodium Heparin, the blood sample remains in a liquid state, allowing for accurate testing and analysis.

What Tests are Conducted with Blood Samples in Light Green Top Tubes?

Blood samples stored in Light Green Top tubes are typically used for tests that require plasma or whole blood samples that have not clotted. Some common tests that may require a Light Green Top tube include:

  1. Chemistry panels
  2. Cardiac enzyme tests
  3. Arterial blood gas tests

Proper Handling and Storage of Blood Samples in Light Green Top Tubes

Proper handling and storage of blood samples in Light Green Top tubes are essential to ensure accurate Test Results. Here are some best practices to follow:

Labeling

Always be sure to label the Light Green Top tube with the patient's name, date of birth, and any other relevant information required by the testing facility. This helps to prevent errors and ensures that the sample is properly identified throughout the testing process.

Transportation

When transporting blood samples in Light Green Top tubes, it is important to keep the samples upright and at room temperature. Avoid shaking or jostling the samples, as this can cause hemolysis (breakdown of red blood cells) and affect the accuracy of Test Results.

Storage

Store Light Green Top tubes in a cool, dry place away from direct sunlight. Avoid storing the samples in extreme temperatures or humid conditions, as this can also cause hemolysis and impact the integrity of the sample.

Processing

Process the blood samples in Light Green Top tubes promptly after collection to prevent clotting. Follow the specific instructions provided by the testing facility or laboratory for handling and processing blood samples for testing.

Conclusion

Light Green Top tubes are an essential tool for storing blood samples for certain types of tests that require plasma or whole blood samples that have not clotted. By using sodium Heparin as an additive, these tubes prevent blood clotting and ensure accurate Test Results. Proper handling and storage of blood samples in Light Green Top tubes are crucial to maintaining the integrity of the sample and producing reliable Test Results. By following best practices for labeling, transportation, storage, and processing, healthcare professionals can ensure that blood samples in Light Green Top tubes are stored and handled correctly for testing.

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