K63.821 Small intestinal bacterial overgrowthNon-billable header with 3 child codes.
K63.8211 Small intestinal bacterial overgrowth, hydrogen-subtypeK63.8212 Small intestinal bacterial overgrowth, hydrogen sulfide-subtypeK63.8219 Small intestinal bacterial overgrowth, unspecifiedK63.4 EnteroptosisK63.5 Polyp of colonK63.8 Other specified diseases of intestineK63.81 Dieulafoy lesion of intestineK63.82 Intestinal microbial overgrowthK63.821 Small intestinal bacterial overgrowth (this code)K63.8211 Small intestinal bacterial overgrowth, hydrogen-subtypeK63.8212 Small intestinal bacterial overgrowth, hydrogen sulfide-subtypeK63.8219 Small intestinal bacterial overgrowth, unspecifiedK63.822 Small intestinal fungal overgrowthK63.829 Intestinal methanogen overgrowth, unspecified