The Importance Of Mixing Tubes After A Blood Draw

Summary

• It is important to mix different types of tubes properly after a blood draw to ensure accurate Test Results.
• Each type of tube has specific additives or coatings that must be mixed thoroughly to prevent coagulation or contamination.
• Follow specific guidelines for each type of tube to prevent errors in laboratory testing and ensure patient safety.

The Importance of Mixing Tubes After a Blood Draw

After a blood draw, it is important to mix different types of tubes properly to ensure accurate Test Results. Each type of tube has specific additives or coatings that must be mixed thoroughly to prevent coagulation or contamination. Failure to mix tubes correctly can lead to inaccurate Test Results, which can impact patient care and treatment decisions.

Types of Tubes and Their Additives

There are several types of tubes commonly used for blood collection, each with specific additives or coatings:

1. EDTA Tubes: These tubes contain the Anticoagulant ethylenediaminetetraacetic acid (EDTA), which is used for tests that require whole blood or plasma specimens. After the blood draw, gently invert the tube several times to mix the blood with the anticoagulant.
2. SST Tubes: These tubes contain a gel separator and Clot Activator, which separates serum from cells and promotes clotting. After the blood draw, invert the tube 5-10 times to ensure proper mixing of the Clot Activator with the blood.
3. Heparin Tubes: These tubes contain the Anticoagulant Heparin, which prevents blood from clotting. After the blood draw, gently invert the tube several times to mix the blood with the anticoagulant.

Guidelines for Mixing Tubes

Follow these guidelines for mixing different types of tubes after a blood draw:

1. Always mix tubes gently by inverting them several times. Do not shake the tubes vigorously, as this can cause hemolysis or clotting.
2. Follow the specific recommendations for each type of tube to ensure proper mixing. Failure to mix tubes correctly can result in inaccurate Test Results and compromise patient care.
3. Label each tube with the patient's information and the date and time of collection before mixing. This information is crucial for correct sample identification and tracking.

In conclusion, proper mixing of different types of tubes after a blood draw is essential to ensure accurate Test Results and prevent errors in laboratory testing. By following specific guidelines for each type of tube and gently inverting them to mix the blood with additives or coatings, healthcare professionals can maintain the integrity of samples and provide reliable data for patient care.

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