NCI Thesaurus Qualifier

**Semantic type:** Conceptual Entity

**Definition:** For each property or association you assign to a concept you also can specify an established qualifier type and value. For properties, the qualifier provides additional detail regarding the nature of a concept property (e.g., a property effective date, or an indicator reflecting that the property is Current). For associations, the qualifier provides additional detail regarding the nature of the concept association (for example, the degree of accuracy of the relationship, such as Usually).

**Synonyms:** - Qualifier