Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Excision of pterygium with graft | Is a | True | Operation on pterygium | Inferred relationship | Some | |
| Simple excision of pterygium | Is a | False | Operation on pterygium | Inferred relationship | Some | |
| Operation on pterygium with corneal graft | Is a | True | Operation on pterygium | Inferred relationship | Some | |
| Transposition of pterygium | Is a | True | Operation on pterygium | Inferred relationship | Some | |
| Simple excision of pterygium (procedure) | Is a | True | Operation on pterygium | Inferred relationship | Some |
This concept is not in any reference sets