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 | 
| 151721000172111 | irrégularité du rythme veille-sommeil | fr | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT Common French translation module (core metadata concept) | 
| 406735018 | Irregular sleep-wake pattern | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 566461000241111 | irrégularité du rythme veille-sommeil (trouble) | fr | Fully specified name | Active | Entire term case insensitive (core metadata concept) | SNOMED CT Common French translation module (core metadata concept) | 
| 664238019 | Irregular sleep-wake pattern (disorder) | en | Fully specified name | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| irrégularité du rythme veille-sommeil | interprète (attribut) | Sleep, function (observable entity) | false | Inferred relationship | Some | ||
| irrégularité du rythme veille-sommeil | interprète (attribut) | état de conscience et d'éveil | false | Inferred relationship | Some | ||
| irrégularité du rythme veille-sommeil | localisation d'une constatation (attribut) | structure de l'encéphale | false | Inferred relationship | Some | ||
| irrégularité du rythme veille-sommeil | localisation d'une constatation (attribut) | structure du tissu encéphalique | false | Inferred relationship | Some | ||
| irrégularité du rythme veille-sommeil | est un(e) (attribut) | Disorder of sleep-wake cycle | true | Inferred relationship | Some | ||
| irrégularité du rythme veille-sommeil | est un(e) (attribut) | Sleep-wake schedule disorder | false | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
This concept is not in any reference sets