External Carotid Artery, Left
- 031N0 - Open
- 031N09
- 031N09J - Bypass External Carotid Artery, Left to Extracranial Artery, Right with Autologous Venous Tissue, Open Approach
- 031N09K - Bypass External Carotid Artery, Left to Extracranial Artery, Left with Autologous Venous Tissue, Open Approach
- 031N0A
- 031N0AJ - Bypass External Carotid Artery, Left to Extracranial Artery, Right with Autologous Arterial Tissue, Open Approach
- 031N0AK - Bypass External Carotid Artery, Left to Extracranial Artery, Left with Autologous Arterial Tissue, Open Approach
- 031N0J
- 031N0JJ - Bypass External Carotid Artery, Left to Extracranial Artery, Right with Synthetic Substitute, Open Approach
- 031N0JK - Bypass External Carotid Artery, Left to Extracranial Artery, Left with Synthetic Substitute, Open Approach
- 031N0K
- 031N0KJ - Bypass External Carotid Artery, Left to Extracranial Artery, Right with Nonautologous Tissue Substitute, Open Approach
- 031N0KK - Bypass External Carotid Artery, Left to Extracranial Artery, Left with Nonautologous Tissue Substitute, Open Approach
- 031N0Z
- 031N0ZJ - Bypass External Carotid Artery, Left to Extracranial Artery, Right with No Device, Open Approach
- 031N0ZK - Bypass External Carotid Artery, Left to Extracranial Artery, Left with No Device, Open Approach