generated: '2026-07-21' method: derived source: >- Derived from the Zus FHIR R4 CapabilityStatement (api.zusapi.com/fhir/metadata, 128 resource types) and FHIR R4 reference semantics. Zus keys clinical resources to a Universal Patient Identifier (UPID) and scopes writes to a Builder (customer org). model: fhir-r4 identity: universal_patient_identifier: name: UPID description: Zus Universal Patient Identifier — one human across all networks; primary scoping key for clinical resources. builder: description: Customer organization that created data; builder-scoped queries return org-created Patient/Practitioner/Organization. entities: - name: Patient key: FHIR id / upid description: The human whose longitudinal record is aggregated. - name: Encounter description: A clinical encounter (inpatient, ED, ambulatory, ADT-sourced). - name: Condition description: Diagnosis / problem-list item. - name: Observation description: Labs, vitals, and measurements. - name: MedicationRequest description: Prescriptions and medication orders. - name: MedicationDispense description: Pharmacy fill/pickup events (drives ADT/medication Zushooks). - name: AllergyIntolerance description: Allergy and intolerance records. - name: DocumentReference description: Ingested clinical documents (CCDA, PDFs). - name: Coverage description: Insurance coverage. - name: CareTeam description: Practitioners and organizations caring for the patient. - name: Organization description: Builder / partner organizations. - name: Practitioner description: Clinicians. relationships: - from: Encounter to: Patient type: belongs_to via: subject (upid) - from: Condition to: Patient type: belongs_to via: subject (upid) - from: Observation to: Patient type: belongs_to via: subject (upid) - from: MedicationRequest to: Patient type: belongs_to via: subject (upid) - from: MedicationDispense to: Patient type: belongs_to via: subject (upid) - from: AllergyIntolerance to: Patient type: belongs_to via: patient (upid) - from: DocumentReference to: Patient type: belongs_to via: subject (upid) - from: Coverage to: Patient type: belongs_to via: beneficiary (upid) - from: Encounter to: Condition type: has_many via: diagnosis.condition - from: CareTeam to: Patient type: belongs_to via: subject (upid) - from: Patient to: Organization type: belongs_to via: managingOrganization (builder) render: conformance/zus-health-fhir-capabilitystatement.json note: >- Full relational rendering of these resources is published by Zus as the FHIR Relational Schema v2 (Snowflake/Databricks data marts): docs.zushealth.com/docs/fhir-relational-schema-v2-diagrams.