Specimen Rejection Due To Tube Errors

Article

Apr 7

Have you ever had your blood specimen rejected at a lab due to tube errors? It can be frustrating and inconvenient, especially if you have to go through the process of having your blood drawn all over again. In this blog post, we will explore the common tube errors that can lead to specimen rejection and provide tips on how to avoid them.

Common Tube Errors

There are several common tube errors that can lead to specimen rejection:

Expired Tubes: Using tubes that are past their expiration date can result in specimen rejection. It is important to always check the expiration date before using a tube for blood collection.
Incorrect Tube Type: Different tests require different types of tubes for blood collection. Using the wrong tube type can result in inaccurate test results and specimen rejection.
Clotted Blood: Clotted blood can lead to specimen rejection because it can interfere with the testing process. It is important to properly mix the blood with the anticoagulant in the tube to prevent clotting.
Insufficient Blood Volume: Not collecting enough blood for a test can result in specimen rejection. It is important to fill the tube to the specified volume to ensure accurate test results.

How to Avoid Tube Errors

There are several steps you can take to avoid tube errors and ensure that your blood specimen is not rejected:

Check Expiration Dates

Always check the expiration date on the tube before using it for blood collection. Using expired tubes can lead to specimen rejection and inaccurate test results. If a tube is expired, discard it and use a new, unexpired tube for blood collection.

Use the Correct Tube Type

Make sure to use the correct tube type for the specific tests being performed. Different tests require different types of tubes for blood collection, so it is important to follow the guidelines provided by the lab or healthcare provider.

Mix Blood Properly

To prevent clotting, it is important to properly mix the blood with the anticoagulant in the tube. After blood collection, gently invert the tube several times to ensure thorough mixing. This will help prevent clots from forming and ensure accurate test results.

Collect Sufficient Blood Volume

Always collect enough blood for the specific tests being performed. Not collecting enough blood can result in specimen rejection and inaccurate test results. Make sure to fill the tube to the specified volume to ensure accurate testing.

Conclusion

Specimen rejection due to tube errors can be frustrating, but it is important to take steps to avoid these errors and ensure accurate test results. By checking expiration dates, using the correct tube type, mixing blood properly, and collecting sufficient blood volume, you can help prevent specimen rejection and make the blood collection process smoother and more efficient.

For more information on tube errors and specimen rejection, click here.

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Lauren Davis, BS, CPT

Lauren Davis is a certified phlebotomist with a Bachelor of Science in Public Health from the University of Miami. With 5 years of hands-on experience in both hospital and mobile phlebotomy settings, Lauren has developed a passion for ensuring the safety and comfort of patients during blood draws. She has extensive experience in pediatric, geriatric, and inpatient phlebotomy, and is committed to advancing the practices of blood collection to improve both accuracy and patient satisfaction.

Lauren enjoys writing about the latest phlebotomy techniques, patient communication, and the importance of adhering to best practices in laboratory safety. She is also an advocate for continuing education in the field and frequently conducts workshops to help other phlebotomists stay updated with industry standards.