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This is the API documentation  for the OpenMRS FHIR Module ,Encounter Resource. 

Encounter Resource represents an interaction Encounter is an FHIR resource that is used to represent an Interaction between a patient and healthcare provider(s) for  for the purpose of providing healthcare service(s) services or assessing the health status of a patient. For more information please refer http://hl7-fhir.github.io/encounter.html

Shown below is an example of how an OpenMRS Encounter objects would map to FHIR Encounter resource, as proposed by Grahame Grieve.

The left side of the relationship indicates the OpenMRS attribute, while the right indicated the FHIR resource mapping.

Integer uuid :: n/a - goes in the URL e.g. [base]/Encounter/[encounterId]
Date encounterDatetime :: Encounter.period
Patient patient :: Encounter.subject
Integer patientId :: not mapped 
Set<EncounterProvider> encounterProviders :: Encounter.participant
Location location :: Encounter.location
EncounterType encounterType : not mapped
Set<Order> orders :: not mapped
Visit visit :: Encounter.partOf

Shown below is a sample FHIR Encounter Resource.

{
	resourceType: "Encounter",
	status: "finished",
	class: "inpatient",
	subject: {
		reference: "Patient/dd738d54-1691-11df-97a5-7038c432aabf",
		display: "Daisylene Ekeno(Identifier:1865TU-8)"
	},
	participant: [1]
		0:  {
			individual: {
				reference: "Practitioner/bf218490-1691-11df-97a5-7038c432aabf",
				display: "Super User(Identifier:admin)"
			}
		}
	period: {
		start: "2006-02-07T00:00:00",
		end: "2006-02-07T00:00:00"
	},
	location: [1]
		0:  {
			location: {
				reference: "Location/8d6c993e-c2cc-11de-8d13-0010c6dffd0f",
				display: "Inpatient Ward"
			},
			period: {
				start: "2006-02-07T00:00:00",
				end: "2006-02-07T00:00:00"
			}
		}
}

Available RESTful web services for the Encounter Resource supported by the API

GET Requests

...

. Encounter FHIR resources are mapped to both OpenMrs Encounter and Visit Objects.

Supported Elements

The following properties are supported by the OpenMrs FHIR Module:

• Encounter.id
• Encounter.status
• Encounter.subject
• Encounter.participant
• Encounter.location

OpenMRS ↔ FHIR Mapping

Encounter.uuid

Encounter.id

Encounter.status

Always return Encounter.EncounterStatus.UNKNOWN

Encounter.patient

Encounter.subject

Encounter.participant

Encounter.encounterProvider

Encounter.location

Encounter.location

Available Restful Endpoints

Note: placeholder "{release}" below must be replaced by the FHIR Release - currently "R3" and "R4" are implemented. See more on the  FHIR Release support  page.

GET

/ws/fhir2/{release}/Encounter/{uuid}

/ws/fhir2/{release}/Encounter?patient.identifier={

POST Requests

...

string}