Which lab studies are performed in the evaluation of allergic transfusion reactions?

Updated: Jan 12, 2021
  • Author: S Gerald Sandler, MD, FCAP, FACP; Chief Editor: Emmanuel C Besa, MD  more...
  • Print

In allergic reactions, the presence of red plasma or urine, discordant pretransfusion and posttransfusion ABO blood types, or a positive antiglobulin (Coombs) test indicates other diagnoses in addition to an allergic reaction. Allergic transfusion reactions usually do not cause an increased number of eosinophils in subsequent white blood cell (WBC) differential counts.

Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!