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 | 
| Upper respiratory tract mucus | Is a | Mucus | true | Inferred relationship | Some | ||
| Upper respiratory tract mucus | Part of | Structure of mucous gland (organ component) (body structure) | false | Inferred relationship | Some | ||
| Upper respiratory tract mucus | Part of | Upper respiratory tract structure | false | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Choking caused by phlegm in larynx (disorder) | Causative agent | True | Upper respiratory tract mucus | Inferred relationship | Some | 1 | 
This concept is not in any reference sets