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 | 
| p-phenylenediamine (substance) | Is a | Shoe series patch test substance | true | Inferred relationship | Some | ||
| p-phenylenediamine (substance) | Is a | Amine | true | Inferred relationship | Some | ||
| p-phenylenediamine (substance) | Is a | Hairdressing patch test chemical | true | Inferred relationship | Some | ||
| p-phenylenediamine (substance) | Is a | European standard series patch test substance | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Product containing p-phenylenediamine (medicinal product) | Has active ingredient | True | p-phenylenediamine (substance) | Inferred relationship | Some | 1 | 
| Product containing only p-phenylenediamine (medicinal product) | Has active ingredient | True | p-phenylenediamine (substance) | Inferred relationship | Some | 1 | 
| 1,4-phenylenediamine dihydrochloride (substance) | Is modification of (attribute) | True | p-phenylenediamine (substance) | Inferred relationship | Some | 
This concept is not in any reference sets