Tests Performed
- A number of laboratory tests must be completed before blood or blood products can be transfused:
- Determination of the blood type with a Crossmatch.
- Screening for antibodies that may produce adverse effects if transfused.
- Screening for possible infectious agents that could be transmitted with transfusion.
- The following tests are manadatory on all units of blood collected for transfusion:
- ABO group and Rh type
- Screening for blood-group antibodies
- Serologic tests for human retroviruses including:
- HIV-1
- HIV-2
- Serologic tests for viral hepatitis including:
- Hepatitis B
- Hepatitis C
- Serologic tests for additional infectious agents including:
- Syphilis (Treponema pallidum
- West Nile virus
- Chagas disease (Trypanosoma cruzi)
- If, and only if, all of these markers are negative can blood be conveyed to the Blood Bank for storage until usage.
- A postive results for some of these tests may prevent further donation by that person. A person with such a test result will be notified by the donor center.
- Persons with a potential medical condition should see a physician and should not, under any circumstance, donate only to have blood tested.
- These measures are done to make the blood supply as safe as possible. The significant infectious diseases transmitted by transfusion and the risk of transmission
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