AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2017 Issue 1; Ask the Editor

Hyperplastic versus Adenomatous Colon Polyp

Coding Clinic, Second Quarter 2015, page 14, advised to assign code K63.5, Polyp of colon, when the physician documents a hyperplastic colon polyp regardless of the location in the colon. Therefore, would a hyperplastic polyp at any colonic site (e.g., ascending, descending, sigmoid, etc.) be assigned code K63.5, Polyp of colon, even though the ICD-10-CM subcategorizes specific locations of neoplastic polyps? For example, a patient had a colonoscopy with removal of an ascending colon polyp. No additional information is available regarding histology. Would code D12.2, Benign neoplasm of ascending colon, or code K63.5, Polyp of colon, be reported? ...

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