Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 345393016 | Non-24 hour sleep-wake cycle | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 618312011 | Non-24 hour sleep-wake cycle (disorder) | en | Fully specified name | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 2818876019 | Free-running sleep-wake cycle disorder | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 2951707014 | Circadian rhythm sleep disorder, free running | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 2951789010 | Circadian rhythm sleep disorder, free-running type | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Non-24 hour sleep-wake cycle | Is a | Sleep-wake schedule disorder, delayed phase type | false | Inferred relationship | Some | ||
| Non-24 hour sleep-wake cycle | Finding site | Brain tissue structure | false | Inferred relationship | Some | ||
| Non-24 hour sleep-wake cycle | Interprets | State of consciousness and awareness | false | Inferred relationship | Some | ||
| Non-24 hour sleep-wake cycle | Interprets | Sleep | false | Inferred relationship | Some | ||
| Non-24 hour sleep-wake cycle | Finding site | Brain structure | false | Inferred relationship | Some | ||
| Non-24 hour sleep-wake cycle | Is a | Disorder of sleep-wake cycle | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
This concept is not in any reference sets