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CodeSystem ​

Systems of codes defined by DirectTrust.

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TitleVersionStatusDateDescription
DirectTrust Code Systemdraft2026-11-05DirectTrust concepts consolidated from seven newly developed CodeSystems. Eleven established CodeSystems remain separate and unchanged. Concepts are organized by a family property; membership is organizational and does…
DirectTrust ContextType Code Systemactive2026-11-05The system of codes to express a Context Type defined to support information exchange use cases where multiple contexts may be relevant and the type of context needs to be expressed to manage complex workflows…
DirectTrust Endpoint Connection Type Code Systemactive2026-11-05The system of codes to represent endoint connection types defined by DirectTrust.
DirectTrust FormatCode Code Systemactive2026-11-05The system of codes to express formatCode metadata defined by implementation guides published by DirectTrust. A formatCode specifies the technical format that a Direct message’s content conforms to. A formatCode is a…
DirectTrust TemporaryCode Code Systemactive2026-11-05The system of temporary codes defined by DirectTrust to represent concepts needed in metadata models. The temporary codes are placeholder concepts while DirectTrust works with other SDOs to request new codes.
Entity Type Code Systemactive2026-11-05The system of codes to express the different entity type classifications defined and recognized by DirectTrust.
Facet Code Systemactive2026-11-03The system of codes developed by CMS to represent Provider educational credential qualifications.
HISP ID Code Systemactive2026-11-05The system of codes to represent each HISP in the DirectTrust Network.
DirectTrust IalCode Code Systemactive2026-11-05The system of codes to express identity authentication levels defined by DirectTrust.
DirectTrust Metadata Type Code Systemactive2026-11-05The system of codes to express the payload metadata types defined by DirectTrust.
Serv Desc Code Systemactive2026-11-05The system of codes to express the use cases for a Direct endpoint.
Suffix Code Systemactive2026-11-05The system of codes to express the representations of additional information about a person shown at the end of their family name.