Status: current, Not sufficiently defined by necessary conditions definition status. Date: 31-Jan 2002. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 383206019 | Crash helmet | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 648670013 | Crash helmet (physical object) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Crash helmet | Is a | Safety equipment | false | Inferred relationship | Existential restriction modifier | ||
| Crash helmet | Is a | Helmet | true | Inferred relationship | Existential restriction modifier | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Motor cycling helmet | Is a | True | Crash helmet | Inferred relationship | Existential restriction modifier | |
| Cycling helmet | Is a | True | Crash helmet | Inferred relationship | Existential restriction modifier | |
| Protective helmet, device | Is a | False | Crash helmet | Inferred relationship | Existential restriction modifier | |
| Full face helmet | Is a | True | Crash helmet | Inferred relationship | Existential restriction modifier | 
This concept is not in any reference sets