Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| N category (observable entity) | Is a | Generic tumor staging descriptor (tumor staging) | false | Inferred relationship | Some | ||
| N category (observable entity) | Is a | Tumor-node-metastasis (TNM) tumor staging system | false | Inferred relationship | Some | ||
| N category (observable entity) | Is a | TNM category | true | Inferred relationship | Some | ||
| N category (observable entity) | Inheres in | Neoplasm | false | Inferred relationship | Some | 1 |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| pN2 category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| pN0 category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| pN1 category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| N2 category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| pN3 category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| pNX category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| N3 category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| N0 category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| NX category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| pN4 category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| N1 category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| pN category | Is a | False | N category (observable entity) | Inferred relationship | Some | |
| pN category (observable entity) | Is a | True | N category (observable entity) | Inferred relationship | Some | |
| Integrated N category (observable entity) | Is a | True | N category (observable entity) | Inferred relationship | Some | |
| cN category (observable entity) | Is a | True | N category (observable entity) | Inferred relationship | Some |
This concept is not in any reference sets