Status: retired, Not sufficiently defined by necessary conditions definition status. Date: 31-Jan 2019. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 50018012 | Class IV antiarrhythmic drug | en | Synonym | Active | Only initial character case insensitive | SNOMED CT core module | 
| 50019016 | Class IV antiarrhythmic drug, NOS | en | Synonym | Inactive | Only initial character case insensitive | SNOMED CT core module | 
| 760826014 | Class IV antiarrhythmic drug (substance) | en | Fully specified name | Inactive | Only initial character case insensitive | SNOMED CT core module | 
| 1187661011 | Class IV antiarrhythmic drug (product) | en | Fully specified name | Active | Only initial character case insensitive | SNOMED CT core module | 
| 1226620014 | Class IV antiarrhythmic | en | Synonym | Active | Only initial character case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Class IV antiarrhythmic drug | Is a | Medicinal product acting as antiarrhythmic agent (product) | false | Inferred relationship | Existential restriction modifier | ||
| Class IV antiarrhythmic drug | Has active ingredient | Cardiovascular agent | false | Inferred relationship | Existential restriction modifier | ||
| Class IV antiarrhythmic drug | Has active ingredient | Class IV antiarrhythmic agent | false | Inferred relationship | Existential restriction modifier | 
This concept is not in any reference sets