API end point: https://nchess.careevolution.com/WebClient/api/fhir-r4.

Resource Encounter (R4)

Maps the CareEvolution Encounter, Problem concepts

• Supported interactions
• Search parameters
• Sorts
• Includes
• Operations
• To FHIR mappings
• From FHIR mappings

Supported interactions

• read
• search
• create
• update
• delete

Search parameters

Name	Type	Modifiers , prefixes	Multiple values	Can be chained	Description
_count	Special	eq			The maximum number of resources to return in a result page.
_elements	Special	eq			Used to request a specific set of elements be returned as part of a resource.
_id	Token		Yes		Resource id
_lastUpdated	Date	lt le gt ge			When the resource last changed
_source	Uri	:missing	Yes		Where the resource comes from
_summary	Special	eq			Used to return only a portion of the resouces. Defaults to 'false', which returns the whole resource.
_total	Special	eq			Use the value 'estimate' to populate the result bundle's 'total' element with an estimate of the matching number of resources.
admitdate	Date	:missing eq ne lt le gt ge sa eb ap			Searches for encounters by admit date
class	Token	:not :in :not-in :missing	Yes		Classification of patient encounter
date	Date	:missing eq ne lt le gt ge sa eb ap			A date within the period the Encounter lasted
diagnosis	Reference (Condition)	:missing	Yes	Yes	The diagnosis or procedure relevant to the encounter
dischargedate	Date	:missing eq ne lt le gt ge sa eb ap			Searches for encounters by discharge date
identifier	Token	:missing	Yes		Identifier(s) by which this encounter is known
location	Reference (Location)	:missing	Yes	Yes	Location the encounter takes place
participant-type	Token	:not :in :not-in :missing	Yes		Role of participant in encounter
patient	Reference (Patient)	:missing	Yes	Yes	The patient the Encounter is about
practitioner	Reference (Practitioner)	:missing	Yes	Yes	Persons involved in the encounter other than the patient
provenance-agent	Reference (Organization)	:missing	Yes	Yes	Search by provenance, specified by its author (aka originator) Organization
reason-code	Token	:not :in :not-in :missing	Yes		Coded reason the encounter takes place
status	Token	:missing	Yes		planned | arrived | triaged | in-progress | onleave | finished | cancelled +
type	Token	:not :in :not-in :missing	Yes		Specific type of encounter

Sorts

• _id
• date

Supports multiple sorts

Includes

• diagnosis
• location
• patient
• practitioner
• provenance-agent
• AllergyIntolerance:encounter
• Basic:encounter
• Claim:encounter
• Condition:encounter
• DiagnosticReport:encounter
• DocumentReference:encounter
• ExplanationOfBenefit:encounter
• FamilyMemberHistory:encounter
• Immunization:encounter
• MedicationAdministration:context
• MedicationAdministration:encounter
• MedicationDispense:context
• MedicationRequest:encounter
• Observation:encounter
• Procedure:encounter
• Provenance:target
• QuestionnaireResponse:encounter
• ServiceRequest:encounter
• Specimen:encounter

Operations

• validate - Validate a resource
• classify-visits - Categorized inpatient and outpatient visits

To FHIR mappings

FHIR	CareEvolution
class Bindings:  vs	Encounter.PatientClass Domain: PatientClass
	Encounter.PatientClassAlternateTerms Domain: PatientClass
	Encounter.PatientClassText
classHistory.class Bindings:  vs	Encounter.PatientClassHistory.Term Domain: PatientClass
	Encounter.PatientClassHistory.PatientClassAlternateTerms Domain: PatientClass
	Encounter.PatientClassHistory.PatientClassText
classHistory.period	Encounter.PatientClassHistory.StartDate
	Encounter.PatientClassHistory.EndDate
diagnosis.condition	Problems.ID
	ClaimProblems.ID
diagnosis.use Bindings:  valueset-diagnosis-role	Problems.Type Domain: DiagnosisType
	ClaimProblems.Type Domain: DiagnosisType
extension('http://careevolution.com/fhirextensions#dataSource')	Encounter.DataSource
extension('http://careevolution.com/fhirextensions#encounter-drg')	Encounter.Drg Domain: Drg
extension('http://careevolution.com/fhirextensions#encounter-eligibilityDate')	Encounter.EligibilityDate
extension('http://careevolution.com/fhirextensions#encounter-hospitalNumber')	Encounter.HospitalNumber
extension('http://careevolution.com/fhirextensions#encounter-organizationRelationships')	Encounter.OrganizationRelationships
hospitalization.admitSource	Encounter.AdmitSource Domain: AdmitSource
	Encounter.AdmitSourceAlternateTerms Domain: AdmitSource
	Encounter.AdmitSourceText
hospitalization.dischargeDisposition	Encounter.DischargeType Domain: DischargeType
hospitalization.specialCourtesy	Encounter.VipIndicator Domain: VipIndicator
identifier	Encounter.Identifier
location.location	Encounter.EncounterLocations.Location
location.period	Encounter.EncounterLocations.StartDate
	Encounter.EncounterLocations.EndDate
meta.security	Encounter.AccessPolicyID
participant.extension('http://careevolution.com/fhirextensions#dataSource')	Encounter.CaregiverRelationships.DataSource
participant.individual	Encounter.CaregiverRelationships.CaregiverID
participant.period	Encounter.CaregiverRelationships.StartDate
	Encounter.CaregiverRelationships.EndDate
participant.type Bindings:  valueset-encounter-participant-type	Encounter.CaregiverRelationships.RelationshipType Domain: CaregiverRelationshipType
period	Encounter.AdmitDate
	Encounter.DischargeDate
priority	Encounter.AdmissionType Domain: AdmissionType
reasonCode	EncounterReasons.Term Domain: EncounterReason
	EncounterReasons.TermAlternateTerms Domain: EncounterReason
	EncounterReasons.Description
reasonReference	Problems
serviceType	Encounter.HospitalService Domain: HospitalService
status	Encounter.AdmitDate
	Encounter.DischargeDate
subject	Encounter.PatientID
type	Encounter.PatientType Domain: PatientType

From FHIR mappings

FHIR	CareEvolution
class Bindings:  vs	Encounter.PatientClass Domain: PatientClass
	Encounter.PatientClassAlternateTerms Domain: PatientClass
	Encounter.PatientClassText
classHistory.class Bindings:  vs	Encounter.PatientClassHistory.Term Domain: PatientClass
	Encounter.PatientClassHistory.PatientClassAlternateTerms Domain: PatientClass
	Encounter.PatientClassHistory.PatientClassText
classHistory.period	Encounter.PatientClassHistory.StartDate
	Encounter.PatientClassHistory.EndDate
extension('http://careevolution.com/fhirextensions#dataSource')	Encounter.DataSource
extension('http://careevolution.com/fhirextensions#encounter-drg')	Encounter.Drg Domain: Drg
extension('http://careevolution.com/fhirextensions#encounter-eligibilityDate')	Encounter.EligibilityDate
extension('http://careevolution.com/fhirextensions#encounter-hospitalNumber')	Encounter.HospitalNumber
hospitalization.admitSource	Encounter.AdmitSource Domain: AdmitSource
	Encounter.AdmitSourceAlternateTerms Domain: AdmitSource
	Encounter.AdmitSourceText
hospitalization.dischargeDisposition	Encounter.DischargeType Domain: DischargeType
hospitalization.specialCourtesy	Encounter.VipIndicator Domain: VipIndicator
id	Encounter.Identifier
identifier	Encounter.Identifier
location.location	Encounter.EncounterLocations.Location
location.period	Encounter.EncounterLocations.StartDate
	Encounter.EncounterLocations.EndDate
participant.extension('http://careevolution.com/fhirextensions#dataSource')	Encounter.CaregiverRelationships.DataSource
participant.individual	Encounter.CaregiverRelationships.CaregiverID
participant.period	Encounter.CaregiverRelationships.StartDate
	Encounter.CaregiverRelationships.EndDate
participant.type Bindings:  valueset-encounter-participant-type	Encounter.CaregiverRelationships.RelationshipType Domain: CaregiverRelationshipType
period	Encounter.AdmitDate
	Encounter.DischargeDate
priority	Encounter.AdmissionType Domain: AdmissionType
reasonCode	EncounterReasons.Term Domain: EncounterReason
	EncounterReasons.TermAlternateTerms Domain: EncounterReason
	EncounterReasons.Description
serviceProvider	Encounter.CaregiverRelationships	Only supported when Importing FHIR data from other systems.
serviceType	Encounter.HospitalService Domain: HospitalService
subject	Encounter.PatientID
type	Encounter.PatientType Domain: PatientType

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