When is red blood cell survival (chromium-51 [51 Cr] survival) performed in the evaluation of hemolytic anemia?

Updated: May 27, 2021
  • Author: Srikanth Nagalla, MD, MS, FACP; Chief Editor: Emmanuel C Besa, MD  more...
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Red blood cell survival (chromium-51 [51 Cr] survival) is rarely used, but it can definitively demonstrate shortened red blood cell survival (hemolysis). If available, this test can be helpful when the clinical history and laboratory studies cannot establish a diagnosis of hemolysis.

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