Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2018. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Angiography of left external carotid artery (procedure) | Is a | Angiography of external carotid artery | true | Inferred relationship | Some | ||
| Angiography of left external carotid artery (procedure) | Is a | Angiography of left carotid artery (procedure) | true | Inferred relationship | Some | ||
| Angiography of left external carotid artery (procedure) | Method | Imaging - action | true | Inferred relationship | Some | 1 | |
| Angiography of left external carotid artery (procedure) | Procedure site - Direct (attribute) | Structure of left external carotid artery | true | Inferred relationship | Some | 1 | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
This concept is not in any reference sets