This value set includes codes based on the following rules:

• Include these codes as defined in http://terminology.hl7.org/CodeSystem/endpoint-connection-type

  Code	Display
  hl7-fhir-rest	HL7 FHIR
  hl7-fhir-msg	HL7 FHIR Messaging
  direct-project	Direct Project

• Include these codes as defined in http://hl7.org/fhir/us/davinci-pdex-plan-net/CodeSystem/EndpointConnectionTypeCS

  Code	Display	Definition
  hl7-fhir-opn	HL7 FHIR Operation	Interact with a FHIR server interface using FHIR's RESTful interface using an operation other than messaging. For details on its version/capabilities you should connect the value in Endpoint.address and retrieve the FHIR CapabilityStatement.
  rest-non-fhir	REST (not FHIR)	Interact with a server using HTTP/REST but not FHIR. Should be used for web portals.