# Category:Archetype

**Definition: **An archetype is a re-usable, formal model of a domain concept. An archetype is expressed as a computable set of constraint statements, on an underlying reference model (URM). Concepts that can be modelled using archetypes include weight measurement, blood pressure, microbiology results, discharge referral, prescription, diagnosis. CIMI archetypes will be represented as an instance of the ‘Archetype Object Model’.

**Reference Definition:** An archetype is a re-usable, formal model of a domain concept. An archetype is expressed as a computable set of constraint statements, on an underlying reference model (URM). Concepts that can be modelled using archetypes include weight measurement, blood pressure, microbiology results, discharge referral, prescription, diagnosis. CIMI archetypes will be represented as an instance of the 'Archetype Object Model'. (**openEHR Foundation website)**
**See also:** Clinical Information Model
**Category: ** Information Model

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