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OpenAPI Specification

openapi: 3.2.0
info:
  title: Tenet Healthcare FHIR R4 Patient Appointments Observations API
  description: HL7 FHIR R4 compliant patient API for Tenet Health hospital network enabling access to patient demographics, appointments, clinical observations, conditions, medications, allergies, care plans, and document references. Supports patient portal integration, care team communication, and interoperability with electronic health record systems. Implements SMART on FHIR for secure authorization.
  version: R4
  contact:
    name: Tenet Health Digital Health
    url: https://www.tenethealth.com/patients
  license:
    name: HL7 FHIR Standard
    url: https://hl7.org/fhir/R4/license.html
servers:
- url: https://api.tenethealth.com/fhir/r4
  description: Tenet Health FHIR R4 - Production
- url: https://sandbox.tenethealth.com/fhir/r4
  description: Tenet Health FHIR R4 - Sandbox
security:
- smartOnFhir:
  - patient/Patient.read
  - patient/Appointment.read
  - patient/Observation.read
tags:
- name: Observations
  description: Clinical observations including vital signs, lab results, and assessments (FHIR Observation resource)
paths:
  /Patient/{id}/Observation:
    get:
      operationId: listPatientObservations
      summary: List Patient Observations
      description: Retrieve clinical observations for a patient including vital signs, laboratory results, imaging results, and clinical assessments. Supports filtering by observation category and date range.
      tags:
      - Observations
      parameters:
      - name: id
        in: path
        required: true
        description: Patient FHIR resource ID
        schema:
          type: string
      - name: category
        in: query
        required: false
        description: Observation category (vital-signs, laboratory, imaging, survey)
        schema:
          type: string
      - name: date
        in: query
        required: false
        description: Date range filter
        schema:
          type: string
      - name: _count
        in: query
        required: false
        description: Maximum results per page
        schema:
          type: integer
          default: 20
      responses:
        '200':
          description: Patient observations as FHIR Bundle
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
        '401':
          description: Unauthorized
        '404':
          description: Patient not found
components:
  schemas:
    Bundle:
      type: object
      description: FHIR R4 Bundle resource containing search results
      properties:
        resourceType:
          type: string
          enum:
          - Bundle
        type:
          type: string
          enum:
          - searchset
          - collection
        total:
          type: integer
          description: Total matching resources
        link:
          type: array
          description: Pagination links
          items:
            type: object
            properties:
              relation:
                type: string
              url:
                type: string
        entry:
          type: array
          description: Bundle entries
          items:
            type: object
            properties:
              fullUrl:
                type: string
              resource:
                type: object
              search:
                type: object
  securitySchemes:
    smartOnFhir:
      type: oauth2
      description: SMART on FHIR OAuth 2.0 authorization
      flows:
        authorizationCode:
          authorizationUrl: https://auth.tenethealth.com/oauth2/authorize
          tokenUrl: https://auth.tenethealth.com/oauth2/token
          scopes:
            patient/Patient.read: Read patient demographic data
            patient/Appointment.read: Read patient appointments
            patient/Observation.read: Read clinical observations
            patient/Condition.read: Read patient conditions
            patient/MedicationRequest.read: Read medication requests
            patient/DocumentReference.read: Read document references
externalDocs:
  description: HL7 FHIR R4 Documentation
  url: https://hl7.org/fhir/R4/