AHA Coding Clinic® for ICD-9 - 2010 Issue 3; Ask the Editor

Angioplasty of Intracranial Vessel versus Extracranial Vessel

The patient underwent angioplasty and stent placement secondary to stenosis within the cavernous segment of the right internal carotid artery. Based on ICD-9-CM’s Index to Procedures, codes 00.61, Percutaneous angioplasty or atherectomy of precerebral (extracranial) vessel(s) and 00.63, Percutaneous insertion of carotid artery stent(s), should be assigned for this procedure. However, the interventional radiologist insisted that this is an intracranial vessel and should be coded 00.62, Percutaneous angioplasty or atherectomy of intracranial vessel(s), and 00.65 Percutaneous insertion of intracranial vascular stent(s). What are the correct code assignments for angioplasty and stent placement of the internal carotid artery? ...

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