Status: current, Sufficiently defined by necessary conditions definition status. Date: 31-Jul 2008. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 2736445015 | Chronic headache disorder (disorder) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| 2768393011 | Chronic headache disorder | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Chronic headache disorder | Is a | Chronic disease | true | Inferred relationship | Existential restriction modifier | ||
| Chronic headache disorder | Is a | Headache disorder | true | Inferred relationship | Existential restriction modifier | ||
| Chronic headache disorder | Finding site | Head structure | true | Inferred relationship | Existential restriction modifier | 1 | |
| Chronic headache disorder | Has definitional manifestation | Headache | false | Inferred relationship | Existential restriction modifier | ||
| Chronic headache disorder | Clinical course | Chronic | true | Inferred relationship | Existential restriction modifier | 2 | |
| Chronic headache disorder | Is a | Chronic pain | true | Inferred relationship | Existential restriction modifier | 
This concept is not in any reference sets