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 | 
| Toxic substance | Is a | Substance categorized functionally | false | Inferred relationship | Some | ||
| Toxic substance | Is a | Substance categorized by hazard characteristics (substance) | true | Inferred relationship | Some | 
Reference Sets