Overview

TODOThe transaction queries for previous encounter for a specific patient. The following sequence diagram shows the steps involved in this transaction.

Technical details

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Ref	Interaction	Endpoint	Data	Transaction Specification
1	Query encounters	GET /ws/rest/v1/patient/$<pat-ID>/encounters?$<queryParams>	HTTP request	Query for previous patient encounters
2	Resolve client identifier	POST openempi-admin/openempi-ws-rest/person-query-resource/findPersonById	OpenEMPI XML	Get Enterprise Client ID - Internal
3	Return person record	"	HTTP 200 OK	"
4	Extract ECID and enrich message with ECID	none
5	Query encounters by ECID	GET /ws/rest/RHEA/patient/encounters?patientId=1234&idType=ECID	HTTP request	Query for previous patient encounters - Internal
6	Return list of encounters	"	HTTP 200 OK - HL7 ORU_R01	Query for previous patient encounters - Internal
7	Replace ECID with original ID used by this facility	none
8	Resolve provider identifier	GET webservices/lookupbyid/nid/?id_type=ECID&id_number=xxx	HTTP request	Get Enterprise Professional ID - Internal
9	Return provider NID	"	HTTP 200 OK - (plain text identifier)	"
10	Replace EPID with NID end
11	Return list of encounters		HTTP 200 OK - HL7v2.5 ORU_R01	Query for previous patient encounters