AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2017 Issue 2; Ask the Editor

Carotid Artery to Subclavian Artery Transposition

After a patient suffered a vertebrobasilar stroke, it was determined that there was a large amount of soft atheroma in the proximal left subclavian artery coming to within 5 to 6 mm of the vertebral artery. A left carotid artery to subclavian artery transposition was performed. The subclavian artery was transected and oversewn. Next, an arteriotomy was made in the carotid artery and an end-to-side anastomosis was performed between the common carotid artery and subclavian artery. Would the root operation for this procedure be Bypass or Reposition? ...

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