Although more data is needed to determine whether a true association with HαT exists with EGID, elevated tryptase has been identified in patients with diagnosed eosinophilic gastrointestinal diseases (i.e., Eosinophilic Esophagitis and Eosinophilic Gastroenteritis). This evidence concerns the gene TMPRSS11D and eosinophilic gastrointestinal disease.