Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2002. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 1198569015 | Respiratory system agent (substance) | en | Fully specified name | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 1211762012 | Respiratory system agent | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Respiratory system agent (substance) | Is a | Chemical categorized functionally | false | Inferred relationship | Some | ||
| Respiratory system agent (substance) | Is a | Drug, medicament or biological substance | false | Inferred relationship | Some | ||
| Respiratory system agent (substance) | Is a | Drug or medicament (substance) | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Mecysteine (substance) | Is a | True | Respiratory system agent (substance) | Inferred relationship | Some | |
| Methyl xanthine | Is a | True | Respiratory system agent (substance) | Inferred relationship | Some | 
This concept is not in any reference sets