Status: retired, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2006. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 413990015 | Optic nerve invasion stage N0 | en | Synonym (core metadata concept) | Active | Only initial character case insensitive (core metadata concept) | SNOMED CT core | 
| 670501013 | Optic nerve invasion stage N0 (tumor staging) | en | Fully specified name | Active | Only initial character case insensitive (core metadata concept) | SNOMED CT core | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Optic nerve invasion stage N0 | Is a | Optic nerve tumour invasion status in retinoblastoma staging | false | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
Reference Sets
Concept inactivation indicator reference set
POSSIBLY EQUIVALENT TO association reference set (foundation metadata concept)