http://hl7.org/fhir/StructureDefinition/workflow-episodeOfCare|5.2.0

Identifies the episode(s) of care that this resource is relevant to. Establishes the EpisodeOfCare as a 'grouper' of resources that are relevant to that episode.
element_idtypes
Extension
Extension.extension
Extension.url
Extension.value[x]
Extension
Extension.id
Extension.extension
Extension.url
Extension.value[x]