K52.83 Microscopic colitisNon-billable header with 4 child codes.
K52.831 Collagenous colitisK52.832 Lymphocytic colitisK52.838 Other microscopic colitisK52.839 Microscopic colitis, unspecifiedK52.29 Other allergic and dietetic gastroenteritis and colitisK52.3 Indeterminate colitisK52.8 Other specified noninfective gastroenteritis and colitisK52.81 Eosinophilic gastritis or gastroenteritisK52.82 Eosinophilic colitisK52.83 Microscopic colitis (this code)K52.831 Collagenous colitisK52.832 Lymphocytic colitisK52.838 Other microscopic colitisK52.839 Microscopic colitis, unspecifiedK52.89 Other specified noninfective gastroenteritis and colitis