Status: current, Primitive. Date: 31-Jul 2003. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 1764040010 | Every eighteen hours (qualifier value) | en | Fully specified name | Active | Case insensitive | SNOMED CT core | 
| 1776114018 | Every eighteen hours | en | Synonym | Active | Case insensitive | SNOMED CT core | 
| 1785415010 | q18hr | en | Synonym | Active | Case sensitive | SNOMED CT core | 
| 1785416011 | Every 18 hours | en | Synonym | Active | Case insensitive | SNOMED CT core | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Every 18 hours | Is a | Intervals of hours | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
Reference Sets
Dose based prescribing dose frequency and interval reference set
Qualifier value foundation reference set