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snomed-ct-logical-model-browser

SNOMED CT Logical Model Browser

About the tool

SNOMED CT is a globally recognized and comprehensive clinical terminology that enables standardized representation and exchange of clinical information. It is a key component of electronic health records and other applications such as clinical decision support, clinical data analytics, and reporting.

The content of SNOMED CT is split across a set of tab-delimited release files (RF2 file structure) that contain the concepts, descriptions, relationships, and other components of the terminology. The data in these files follows a logical model (content model, object model) that represents the low-level view of how the terminology is structured internally.

I've built this tool to provide a convenient way to explore the logical model of SNOMED CT used to represent, store, and distribute the terminology's content. To aid in the understanding of the model, the browser displays the classes as TypeScript-like type definitions (as an object model). You can see the description of each property by clicking on the purple links and navigate to the referenced classes by following the blue links.

Browse now

A component is a unit of SNOMED CT content that is assigned a unique identifier and that is self-contained with regard to its representation in the terminology. Components are the basic building blocks of SNOMED CT. Each component is a unit of content that is self-contained with regard to its representation in the terminology. Each component is assigned a unique identifier that is used to reference the component in other components. Each component has a status that indicates whether it is currently active or inactive. Inactive components are retained in the terminology to maintain the integrity of the historical record.
A concept is a unit of knowledge created by a unique combination of characteristics.
A description is a unit of content that provides additional information about a concept. Descriptions are used to support effective navigation and retrieval of SNOMED CT content.
A relationship is an association between two concepts.
A concrete value relationship is an association between a concept and a value.
A single member of a reference set.
A member of a content reference set. A content reference set is a reference set used to represent a set of components.
A member of a language reference set. A language reference set is a reference set that is used to indicate which descriptions contain terms that are acceptable or preferred in a particular language or dialect.
A member of a map reference set. A map reference set is a reference set that contains a set of mappings between two or more terminologies.
A member of a metadata reference set. A metadata reference set is a reference set that contains metadata about a terminology.
Start with selecting a class from the list.

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