Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Source skin distance | Is a | External beam radiation therapy setup distances | true | Inferred relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Standard focus skin distance | Is a | True | Source skin distance | Inferred relationship | Some | |
| Extended focus skin distance | Is a | True | Source skin distance | Inferred relationship | Some | |
| Reduced focus skin distance | Is a | True | Source skin distance | Inferred relationship | Some |
This concept is not in any reference sets