openapi: 3.2.0
info:
  version: 1.0.0
  title: NextGen Office FHIR Encounter API
  description: 'Our API is coded against the US Core Specification (FHIR Version: 4.0.0) https://hl7.org/fhir/us/core/CapabilityStatement-server.html'
  contact:
    email: nextgen-office-api@nextgen.com
servers:
- url: https://fhir.meditouchehr.com/api/
security:
- OauthSecurity:
  - patient/*.read
tags:
- name: Encounter
  description: https://hl7.org/fhir/R4/encounter.html
paths:
  /fhir/r4/Encounter/{id}:
    get:
      tags:
      - Encounter
      description: "Fetches a single Encounter. An interaction between a patient and healthcare provider(s) for the purpose of providing healthcare service(s) or assessing the health status of a patient.  \n \n FHIR Resource: Encounter \n *\tEncounters \n \n FHIR Resource: Location \n * Location \n"
      parameters:
      - $ref: '#/components/parameters/encounter_id'
      responses:
        '200':
          description: success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Encounter'
        '404':
          $ref: '#/components/responses/ResourceNotFound404'
        '401':
          $ref: '#/components/responses/ResourceNotAuthorized401'
  /fhir/r4/Encounter:
    get:
      tags:
      - Encounter
      description: "Fetches a bundled resource containing encounter data based on the provided parameters.\n\n - If only `_id` is provided, a bundle containing a single encounter is returned.\n - If only `patient_id` is provided, multiple encounters for the patient may be returned.\n - If `patient_id` and `date` are provided, encounters matching the patient and date range are returned.\n - Requests containing both `_id` and `patient_id`, `_id` and `date`, only `date`, all three parameters together or providing no parameters will result in a `400 Bad Request`.\n\n FHIR Resource: Encounter \n *\tEncounters \n \n FHIR Resource: Location \n * Location \n"
      parameters:
      - $ref: '#/components/parameters/optional_patient_id'
      - $ref: '#/components/parameters/date'
      - $ref: '#/components/parameters/_id'
      responses:
        '200':
          description: success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EncounterBundled'
        '400':
          description: "**Invalid request:** The following conditions will result in a `400 Bad Request`:\n\n - `_id` and `patient_id` cannot be provided together.\n - `_id` and `date` cannot be provided together.\n - Providing only `date` is not allowed.\n - Providing all three parameters (`_id`, `patient_id`, and `date`) is not allowed.\n - Providing none is not allowed."
        '404':
          $ref: '#/components/responses/ResourceNotFound404'
        '401':
          $ref: '#/components/responses/ResourceNotAuthorized401'
components:
  responses:
    ResourceNotFound404:
      description: Resource not found
    ResourceNotAuthorized401:
      description: Resource not authorized to be viewed by this user
  schemas:
    Encounter:
      type: object
      properties:
        resourceType:
          type: string
          minLength: 1
        id:
          type: string
          description: The id of the resource.
        meta:
          type: object
          description: Metadata about the resource
          properties:
            profile:
              type: array
              description: Profiles this resource claims to conform to
              items:
                type: string
          required:
          - profile
        identifier:
          type: array
          description: Identifier(s) by which this encounter is known
          items:
            type: object
            properties:
              use:
                type: string
                description: usual | official | temp | secondary | old
              system:
                type: string
                description: the namespace for the identifier value
              value:
                type: string
                description: The value that is unique
            required:
            - use
        status:
          type: string
          description: describe the encounter status.
        class:
          type: object
          description: Classification of patient encounte
          properties:
            system:
              type: string
              description: Identity of the terminology system
            code:
              type: string
              description: Symbol in syntax defined by the system
            display:
              type: string
              description: Representation defined by the system
        type:
          type: array
          items:
            type: object
            properties:
              coding:
                type: array
                description: Specific type of encounter
                items:
                  type: object
                  properties:
                    system:
                      type: string
                    code:
                      type: string
                    display:
                      type: string
              text:
                type: string
        subject:
          type: object
          properties:
            reference:
              type: string
        participant:
          type: array
          description: List of participants involved in the encounter
          items:
            type: object
            properties:
              type:
                type: array
                items:
                  type: object
                  properties:
                    coding:
                      type: array
                      items:
                        type: object
                        properties:
                          system:
                            type: string
                          code:
                            type: string
                          display:
                            type: string
                    text:
                      type: string
              period:
                type: object
                properties:
                  start:
                    type: string
                  end:
                    type: string
              individual:
                type: object
                properties:
                  reference:
                    type: string
        period:
          type: object
          properties:
            start:
              type: string
            end:
              type: string
        reasoncode:
          type: array
          items:
            type: object
            properties:
              text:
                type: string
        hospitalization:
          type: object
          properties:
            dischargeDisposition:
              type: object
              properties:
                coding:
                  type: array
                  items:
                    type: object
                    properties:
                      system:
                        type: string
                      code:
                        type: string
                      display:
                        type: string
                text:
                  type: string
        location:
          type: array
          items:
            type: object
            properties:
              location:
                type: object
                properties:
                  reference:
                    type: string
      required:
      - status
      - class
      - location
      - subject
      - resourceType
      - id
      - meta
    EncounterBundled:
      type: object
      properties:
        resourceType:
          type: string
          minLength: 1
        id:
          type: string
          description: The id of the resource.
        meta:
          type: object
          properties:
            lastUpdated:
              type: string
              description: Date in format - YYYY-MM-DDThh:mm:ss+zz
        type:
          type: string
          minLength: 1
          description: Type of Search
        total:
          type: integer
          description: Number of encounter in entry field
        link:
          type: array
          items:
            type: object
            properties:
              relation:
                type: string
                minLength: 1
                description: relation of the resource with link provided in url
              url:
                type: string
                minLength: 1
                description: FHIR URI of the request
          required:
          - relation
          - url
        entry:
          type: array
          items:
            type: object
            properties:
              fullUrl:
                type: string
                minLength: 1
                description: FHIR URI of respective encounter resource in entry
              resource:
                $ref: '#/components/schemas/Encounter'
      required:
      - id
      - resourceType
      - meta
      - type
  parameters:
    optional_patient_id:
      description: The id of the patient
      name: patient
      in: query
      required: false
      schema:
        type: string
    date:
      description: A date parameter searches on a date/time or period. The only supported prefixes are - gt, lt, ge, le, eq. Example-gt2015-01-15. See https://www.hl7.org/fhir/R4/search.html#date.
      name: date
      in: query
      schema:
        type: string
    _id:
      description: The id of the resource
      name: _id
      in: query
      required: false
      schema:
        type: string
    encounter_id:
      description: The id of the resource with prefix values PT with hyphen.Example PT-123
      name: id
      in: path
      required: true
      schema:
        type: string
  securitySchemes:
    OauthSecurity:
      type: oauth2
      flows:
        authorizationCode:
          scopes:
            openid: Open ID scope
            launch/patient: Used by clients to request a patient-scoped access token
            offline_access: Request a refresh_token that can be used to obtain a new access token to replace an expired one, and that will be usable for as long as the end-user remains online.
            patient/*.read: Read access to all Patient Resources
          authorizationUrl: https://idp-prod.prod.ngo.nextgenaws.net/auth/realms/nextgen/protocol/openid-connect/auth?aud=https://fhir.meditouchehr.com/api/fhir/r4
          tokenUrl: https://idp-prod.prod.ngo.nextgenaws.net/auth/realms/nextgen/protocol/openid-connect/token
      description: Access code based oauth authentication
externalDocs:
  description: Find out more about NextGen Office FHIR API
  url: https://www.nextgen.com/products-and-services/nextgen-office