What is the role of functional assays in the workup of pediatric factor XIII (FXIII) deficiency?

Updated: Jun 28, 2021
  • Author: Helge Dirk Hartung, MD; Chief Editor: Cameron K Tebbi, MD  more...
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The two methods used to measure the enzymatic activity of factor XIII include measurement of synthetic amine incorporation into a fibrin clot, and measurement of ammonium ion release during the transglutaminase reaction. [4] Both assays are available as commercial kits.

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