Status: current, Not sufficiently defined by necessary conditions definition status. Date: 31-Jan 2002. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module |
| 175901011 | Pterygium unguis | en | Synonym | Inactive | Only initial character case insensitive | SNOMED CT core module |
| 357187012 | Pterygium of nail | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module |
| 627153012 | Pterygium of nail (disorder) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Pterygium inversum unguis | Is a | True | Pterygium of nail | Inferred relationship | Existential restriction modifier | |
| Acquired pterygium of nail | Is a | True | Pterygium of nail | Inferred relationship | Existential restriction modifier | |
| Congenital pterygium of nail | Is a | True | Pterygium of nail | Inferred relationship | Existential restriction modifier | |
| Dorsal pterygium of nail | Is a | True | Pterygium of nail | Inferred relationship | Existential restriction modifier | |
| Nail pterygium in lichen planus | Is a | True | Pterygium of nail | Inferred relationship | Existential restriction modifier |
This concept is not in any reference sets