ICD-10-CM > C00-D49 > C81-C96 > C88 > C88.3 C88.3 Immunoproliferative small intestinal disease Non-Billable/Non-Specific Applicable To Alpha heavy chain diseaseMediterranean lymphoma Codes C88.30Immunoproliferative small intestinal disease not having achieved remissionC88.31Immunoproliferative small intestinal disease, in remission