What is the correct method for transferring blood from a syringe into evacuated tubes?

The correct method for transferring blood from a syringe into evacuated tubes involves using a syringe transfer device after removing the needle. This practice is crucial for several reasons, primarily concerning safety and ensuring the integrity of the sample.

Using a transfer device helps to minimize the risk of needlestick injuries, which can occur if the needle remains attached during the transfer. It also helps to maintain sterility and prevents contamination of the blood specimen. The transfer device is designed to securely connect the syringe to the evacuated tube, allowing for a smooth transfer without the potential for spills or splashes, which can pose biohazard risks.

Additionally, this method reduces the risk of hemolysis, which can happen if blood is transferred improperly, affecting the quality of the sample and potentially leading to inaccurate test results. By utilizing a transfer device, healthcare professionals can ensure that blood samples are collected safely and that the samples remain suitable for accurate laboratory analysis.