generated: '2026-07-24'
method: derived
source: graphql/telus-health-chr-enterprise-introspection.json (object-typed fields on marquee entities)
api: telus-health:telus-chr-enterprise-api
note: Entity-relationship graph derived from the CHR Enterprise GraphQL schema (505 types, 280 object
  types). Relationships are object-typed fields on the marquee clinical entities; has_many = GraphQL Cursor
  Connection fields, has_one = singular object references.
root_entities:
- Patient
- Appointment
- ReferralRecord
- Task
- Case
- Contact
- ProviderUser
- Facility
- Location
- GroupVisit
- LabObservation
entity_count: 46
relationships:
- from: Patient
  to: AdministrativeNote
  kind: has_many
  via: administrativeNotes
- from: Patient
  to: PatientAllergyRecord
  kind: has_many
  via: allergyRecords
- from: Patient
  to: AnswerSheet
  kind: has_many
  via: answerSheets
- from: Patient
  to: Attachment
  kind: has_many
  via: attachments
- from: Patient
  to: CareTeamMember
  kind: has_one
  via: careTeamMembers
- from: Patient
  to: Case
  kind: has_one
  via: case
- from: Patient
  to: Case
  kind: has_many
  via: cases
- from: Patient
  to: Encounter
  kind: has_many
  via: encounters
- from: Patient
  to: Contact
  kind: has_one
  via: familyPractitioner
- from: Patient
  to: HealthProfile
  kind: has_one
  via: healthProfile
- from: Patient
  to: Identification
  kind: has_one
  via: identifications
- from: Patient
  to: InjectionRecord
  kind: has_many
  via: injectionRecords
- from: Patient
  to: LabReport
  kind: has_many
  via: labReports
- from: Patient
  to: LabResult
  kind: has_one
  via: labResult
- from: Patient
  to: LabResult
  kind: has_many
  via: labResults
- from: Patient
  to: Letter
  kind: has_many
  via: letters
- from: Patient
  to: MedicationRecord
  kind: has_many
  via: medicationRecords
- from: Patient
  to: PatientDataItem
  kind: has_many
  via: patientDataItems
- from: Patient
  to: Facility
  kind: has_one
  via: preferredPharmacy
- from: Patient
  to: Location
  kind: has_one
  via: primaryLocation
- from: Patient
  to: ProviderUser
  kind: has_one
  via: primaryPractitioner
- from: Patient
  to: ReferralRecord
  kind: has_one
  via: referralRecord
- from: Patient
  to: ReferralRecord
  kind: has_many
  via: referralRecords
- from: Patient
  to: Contact
  kind: has_one
  via: referringPractitioner
- from: Patient
  to: StatusTag
  kind: has_one
  via: statusTags
- from: Patient
  to: Task
  kind: has_one
  via: task
- from: Patient
  to: Task
  kind: has_many
  via: tasks
- from: Patient
  to: VitalsRecord
  kind: has_many
  via: vitalsRecords
- from: Appointment
  to: Location
  kind: has_one
  via: location
- from: Appointment
  to: Patient
  kind: has_one
  via: patient
- from: Appointment
  to: PresentingIssue
  kind: has_one
  via: presentingIssue
- from: Appointment
  to: ProviderUser
  kind: has_one
  via: provider
- from: Appointment
  to: Respondent
  kind: has_one
  via: respondent
- from: Appointment
  to: Service
  kind: has_one
  via: service
- from: Appointment
  to: AppointmentTag
  kind: has_one
  via: tags
- from: ReferralRecord
  to: ReferralRecordAttachment
  kind: has_many
  via: attachments
- from: ReferralRecord
  to: ReferralRecordComment
  kind: has_many
  via: comments
- from: ReferralRecord
  to: Patient
  kind: has_one
  via: patient
- from: ReferralRecord
  to: ReferralPriority
  kind: has_one
  via: priority
- from: ReferralRecord
  to: FlexibleDataPropertyItem
  kind: has_one
  via: referralDataItem
- from: ReferralRecord
  to: FlexibleDataPropertyItem
  kind: has_many
  via: referralDataItems
- from: ReferralRecord
  to: ReferralStatus
  kind: has_one
  via: status
- from: ReferralRecord
  to: ReferralWaitingList
  kind: has_one
  via: waitingList
- from: Task
  to: Location
  kind: has_one
  via: location
- from: Task
  to: Patient
  kind: has_one
  via: patient
- from: Task
  to: TaskCategory
  kind: has_one
  via: taskCategory
- from: Case
  to: ProviderUser
  kind: has_one
  via: archivedBy
- from: Case
  to: ProviderUser
  kind: has_one
  via: assignedProviderUser
- from: Case
  to: Attachment
  kind: has_many
  via: attachments
- from: Case
  to: CaseDataItem
  kind: has_many
  via: caseDataItems
- from: Case
  to: CaseComment
  kind: has_many
  via: comments
- from: Case
  to: Encounter
  kind: has_many
  via: encounters
- from: Case
  to: Letter
  kind: has_many
  via: letters
- from: Case
  to: CaseObservation
  kind: has_many
  via: observations
- from: Case
  to: CaseStatus
  kind: has_one
  via: status
- from: Case
  to: CaseTemplate
  kind: has_one
  via: template
- from: Contact
  to: Facility
  kind: has_one
  via: facility
- from: ProviderUser
  to: Schedule
  kind: has_one
  via: schedule
- from: GroupVisit
  to: Appointment
  kind: has_one
  via: appointments
- from: GroupVisit
  to: ProviderUser
  kind: has_one
  via: createdProviderUser
- from: GroupVisit
  to: Location
  kind: has_one
  via: location
- from: GroupVisit
  to: ProviderUser
  kind: has_one
  via: providerUsers
- from: LabObservation
  to: Patient
  kind: has_one
  via: patient
- from: LabObservation
  to: Respondent
  kind: has_one
  via: respondent
- from: CareTeamRole
  to: ProviderUser
  kind: has_one
  via: archivedBy
- from: DraftAppointment
  to: Location
  kind: has_one
  via: location
- from: DraftAppointment
  to: ProviderUser
  kind: has_one
  via: provider
- from: DraftAppointment
  to: Service
  kind: has_one
  via: service