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 | 
| 46829011 | Drainage of cerebral epidural space by incision or trephination | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 46830018 | Drainage of cerebral extradural space by incision or trephination | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 758595013 | Drainage of cerebral epidural space by incision or trephination (procedure) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
This concept is not in any reference sets