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A COMPOSITION is a container class of archetype. It is commonly used to represent clinical documents, forms or messages in the EHR.

In practical terms archetype classes containing detailed clinical content is added to a COMPOSITION in the same way that paragraphs of content are added to a paper document. Each COMPOSITION archetype has a purpose or intent specified and is comparable to the way that in traditional paper records each section of the health record is identified by a different colored ribbon to assist clinician to find specific types of documents, such as a blue ribbon for Medication Orders and green for Consultation/Progress notes.

It is the unit of contribution (and therefore committal and communication) to an electronic health record (EHR).

Remember: "You cannot save less than a Composition”

All openEHR data is transferred between EHRs as Compositions.

Set of entries comprising a clinical care session or document. This can be used to gather multiple concepts together and is typically used to describe clinical care or represent a clinical document. A composition archetype is a container for other classes of archetypes used for that clinical encounter. For example consultation note, health report or prescription.

A COMPOSITION can contain SECTION and ENTRY archetypes (OBSERVATIONs, EVALUATIONs, INSTRUCTIONs, ACTIONs and ADMIN ENTRYs).

Examples: Consultation note, Prescription, Care Plan, Medication List