Amebic nondysenteric colitis

This code represents a parasitic infection of the colon caused by Entamoeba histolytica that manifests without the classic symptoms of dysentery, such as bloody diarrhea. Patients typically present with milder gastrointestinal symptoms like abdominal pain, flatulence, or intermittent diarrhea, rather than severe acute colitis.

Apply this code when documentation specifies amebic colitis without evidence of dysentery. This diagnosis is often confirmed by stool microscopy identifying E. histolytica trophozoites or cysts, or serological testing. Use for cases where the infection is localized to the colon but does not involve severe inflammation or ulceration leading to dysenteric symptoms.

• Differentiate from amebic dysentery, which involves more severe symptoms and specific documentation of dysentery.
• Ensure documentation specifies "nondysenteric" or describes symptoms consistent with a milder presentation to support this code.
• Consider co-reporting any associated complications or manifestations if documented.