SHR Definitions


  • Data Element

    A data element is the simplest irreducible piece of a model, with name and a value. Data elements correspond to the fields properties in a FHIR resource. The value of a data element can be a primitive type, a group (complex data type, such as an address or body site), or a reference to an Entry. Unlike FHIR, in SHR, data elements are reusable.

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  • Group

    A group is composed of one or more data elements. A group is a reusable 'package' of several elements, such as an address (a group consisting of street, city, state, country, and postal code, for example). Groups correspond to FHIR's complex data types.

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  • Entry

    SHR consists of Entries. Each entry is a statement about something relevant to the subject of the overall record that the entry is added to. Entries represent someone's knowledge, at a point in time. They are analogous to FHIR Resources. Metadata captures the provenance and other information common to all types of entries.

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  • Code System

    A Code System is a list of codes defining a set of possible values. Code systems define which codes (symbols and/or expressions) exist, and how they are understood.

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  • Value Set

    A value set is a set of values that can be used as the value of a data element or as one of its fields. A value set specifies a set of codes drawn from one or more code systems.

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  • Mapping

    Each model in the SHR can be mapped to other standards to facilitate interoperability and transitions to the SHR. The translation of SHR to HL7 Fast Healthcare Interoperability Resources (FHIR) profiles is defined using mappings. As a developer of clinical information models, in most cases, mapping happens behind the scenes.

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