Status: retired, Not sufficiently defined by necessary conditions definition status. Date: 31-Jan 2018. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 455630017 | Chemical or external agent | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 708604015 | Chemical or external agent (substance) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Chemical or external agent | Is a | Substance categorized functionally | false | Inferred relationship | Existential restriction modifier | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Chronic myocardial disorder caused by chemical or external agent | Causative agent | False | Chemical or external agent | Inferred relationship | Existential restriction modifier | |
| Cardiomyopathy due to drugs and other external agents | Causative agent | False | Chemical or external agent | Inferred relationship | Existential restriction modifier | |
| Cardiomyopathy due to drugs and other external agents | Causative agent | False | Chemical or external agent | Inferred relationship | Existential restriction modifier | 
This concept is not in any reference sets