Icd 10 code for duodenal intraepithelial lymphocytosis July 8, 2019 16 32 64 128 Icd 10 code for duodenal mucosa with intraepithelial lymphocytosis Duodenal intraepithelial lymphocytosis icd 10 Mild intraepithelial lymphocytosis icd 10 Lymphocytosis icd 9