K57.91
ICD-10-CMDiverticulosis of intestine, part unspecified, without perforation or abscess with bleeding
This code represents the presence of diverticula (small pouches) in the intestinal wall, where the specific part of the intestine is not documented. Importantly, there is no evidence of perforation or abscess formation, but the diverticula are actively bleeding. This indicates a non-inflammatory diverticular disease with a hemorrhagic complication.
Use this code for patients diagnosed with diverticulosis who present with gastrointestinal bleeding, and the physician's documentation does not specify the affected intestinal segment. Supporting documentation would include endoscopy reports confirming bleeding from diverticula, or clinical notes detailing lower GI bleeding attributed to unspecified diverticulosis without signs of acute inflammation or localized infection.
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