Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2011. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Drainage of cerebrospinal fluid (procedure) | Is a | Drainage procedure | true | Inferred relationship | Some | ||
| Drainage of cerebrospinal fluid (procedure) | Direct substance | Cerebrospinal fluid | false | Inferred relationship | Some | 1 | |
| Drainage of cerebrospinal fluid (procedure) | Method | Drainage - action | false | Inferred relationship | Some | 1 | |
| Drainage of cerebrospinal fluid (procedure) | Direct substance | Cerebrospinal fluid | true | Inferred relationship | Some | 1 | |
| Drainage of cerebrospinal fluid (procedure) | Method | Drainage - action | true | Inferred relationship | Some | 1 | 
This concept is not in any reference sets