Cases in Which Blood Units and Blood Products Must Be Recalled or Isolated

The cases in which blood units and blood products must be recalled and isolated are specified in Clause 2, Article 38 of Circular 26/2013/TT-BYT. Specifically:

- When there are abnormal results from blood unit screening tests for blood-borne pathogens.

- When there are abnormal results from blood unit tests, or blood components taken from repeat donors, regarding blood-borne pathogens, the blood unit screening department must retest the blood sample from the same donor's previous donation; if the retest from the previous donation is abnormal, further verification of the sample from the preceding donation is necessary, while the testing department is obliged to notify the relevant departments and units to act in accordance with Appendix 7 issued with this Circular. Testing of blood samples from previous donations must employ techniques and reagents with sensitivity at least equivalent to those used previously.

- Blood units and blood products, upon detection of the following signs:

- Punctures, leaks, cracks, or breakages in the containment bag, tubing, or at the point of tubing insertion;

- Absence of stratification or unusual stratification among blood components after settling or centrifugation;

- Abnormal coloration:

+ Pink or red coloration at the interface of plasma and red blood cells, or throughout the entire plasma;+ Plasma with abnormal coloration;+ Red blood cells that change to a purplish-red or dark black color, or exhibit other unusual colors.

- Presence of clots, cloudiness, or precipitation;

- Presence of frothing on the surface.

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