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Vocabulary

Health Wallet Vocab

Verifiable Credential (VC) Types

  • https://healthwallet.cards#covid19: A VC designed to convey COVID-19 details
  • https://healthwallet.cards#immunization: A VC designed to convey any immunization details
  • https://healthwallet.cards#presentation-context-online: A VC designed for online presentation
  • https://healthwallet.cards#presentation-context-in-person: A VC designed for in-person presentation

FHIR Extensions

  • https://healthwallet.cards#vc-attachment: Extension that decorates a FHIR "key resource" to attach a VC

FHIR Codings

The following codes are defined in the https://healthwallet.cards system:

  • no-did-bound: Used for OperationOutcome.issue.code when the Patient/:id/$HealthWallet.issueVc operation fails because no DID is bound to the Patient record
  • covid19: Used for tagging a FHIR "key resource" as containing a VC of type https://healthwallet.cards#covid19. For use in tagging a FHIR "key resource" (in .meta.tag) as containing a specific type of VC. This facilitates search across FHIR resources to find resources with attached VCs.
  • immunization: Used for tagging a FHIR "key resource" as containing a VC of type https://healthwallet.cards#immunization. For use in tagging a FHIR "key resource" (in .meta.tag) as containing a specific type of VC. This facilitates search across FHIR resources to find resources with attached VCs.