Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2004. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Valved ophthalmic drainage device (physical object) | Is a | Anterior chamber drainage tube | true | Inferred relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Krupin tube shunt | Is a | False | Valved ophthalmic drainage device (physical object) | Inferred relationship | Some | |
| Ahmed tube shunt | Is a | False | Valved ophthalmic drainage device (physical object) | Inferred relationship | Some |
This concept is not in any reference sets