AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2018 Issue 3; Ask the Editor

Arteriovenous Malformation of Colon

A patient is diagnosed with acute on chronic gastrointestinal (GI) bleeding, most likely secondary to small bowel arteriovenous malformation (AVM). There is no documentation indicating whether the AVM is acquired or congenital. The Index to Diseases directs the coding professional to Q27.33, Arteriovenous malformation of digestive system vessel. Since an arteriovenous malformation is a vascular ectasia similar to an angiodysplasia, would it be appropriate to assign code K55.21, Angiodysplasia of colon with hemorrhage? ...

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