Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2007. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Obstruction of nasolacrimal duct (disorder) | Is a | Lacrimal drainage pathway finding | false | Inferred relationship | Some | ||
| Obstruction of nasolacrimal duct (disorder) | Finding site | Nasolacrimal duct structure | false | Inferred relationship | Some | 1 | |
| Obstruction of nasolacrimal duct (disorder) | Associated morphology | Obstruction | false | Inferred relationship | Some | 1 | |
| Obstruction of nasolacrimal duct (disorder) | Finding site | Nasolacrimal duct structure | true | Inferred relationship | Some | 1 | |
| Obstruction of nasolacrimal duct (disorder) | Associated morphology | Obstruction | true | Inferred relationship | Some | 1 | |
| Obstruction of nasolacrimal duct (disorder) | Is a | Disorder of nasolacrimal duct | true | Inferred relationship | Some | ||
| Obstruction of nasolacrimal duct (disorder) | Is a | Obstruction of lacrimal drainage system (disorder) | true | Inferred relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Congenital nasolacrimal duct obstruction | Is a | False | Obstruction of nasolacrimal duct (disorder) | Inferred relationship | Some | |
| Acquired nasolacrimal duct obstruction (disorder) | Is a | True | Obstruction of nasolacrimal duct (disorder) | Inferred relationship | Some | |
| Stenosis of nasolacrimal duct | Is a | False | Obstruction of nasolacrimal duct (disorder) | Inferred relationship | Some | |
| Neonatal obstruction of nasolacrimal duct | Is a | False | Obstruction of nasolacrimal duct (disorder) | Inferred relationship | Some | |
| Congenital nasolacrimal duct obstruction | Is a | True | Obstruction of nasolacrimal duct (disorder) | Inferred relationship | Some |
This concept is not in any reference sets