Varian Medical Systems

Varian Medical Systems Condition API

Cancer diagnoses and clinical conditions

Documentation GitHub OpenAPI

Operations 2

GET /Condition Search Conditions #

GET /Condition/{id} Get Condition #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/varian-medical-systems:varian-medical-systems-condition-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Varian ARIA FHIR Condition API
  description: The Varian ARIA FHIR R4 API provides SMART on FHIR access to oncology clinical data from the ARIA Oncology Information System (OIS). Enables EHR systems, clinical applications, and research tools to access patient-level oncology data including conditions, procedures, observations, care plans, medication requests, and diagnostic reports. The API is read-only and supports standard FHIR R4 search operations. Varian is a Siemens Healthineers company.
  version: R4-6.0.101
  contact:
    name: Varian FHIR Developer Portal
    url: https://varian.dynamicfhir.com
  termsOfService: https://varian.dynamicfhir.com
  license:
    name: Proprietary
    url: https://www.varian.com
servers:
- url: https://varian.dynamicfhir.com/fhir/varian/basepractice/r4
  description: Varian ARIA FHIR R4 API Server
security:
- OAuthSMARTonFHIR:
  - launch/patient
  - patient/Patient.read
  - patient/Condition.read
  - patient/Procedure.read
  - patient/Observation.read
tags:
- name: Condition
  description: Cancer diagnoses and clinical conditions
paths:
  /Condition:
    get:
      operationId: searchConditions
      summary: Search Conditions
      description: Search for clinical conditions (diagnoses) associated with oncology patients. Returns ICD-10 coded conditions including cancer diagnoses.
      tags:
      - Condition
      parameters:
      - name: patient
        in: query
        required: true
        schema:
          type: string
        description: Patient reference (e.g., Patient/12345678)
      - name: code
        in: query
        schema:
          type: string
        description: Condition code (ICD-10, SNOMED CT)
      - name: category
        in: query
        schema:
          type: string
        description: Condition category
      - name: _count
        in: query
        schema:
          type: integer
        description: Maximum number of results
      responses:
        '200':
          description: Bundle of Condition resources
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/Bundle'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /Condition/{id}:
    get:
      operationId: getCondition
      summary: Get Condition
      description: Retrieve a specific condition resource by ID.
      tags:
      - Condition
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Condition resource
          content:
            application/fhir+json:
              schema:
                $ref: '#/components/schemas/FHIRResource'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  responses:
    NotFound:
      description: Resource not found
      content:
        application/fhir+json:
          schema:
            $ref: '#/components/schemas/OperationOutcome'
    Unauthorized:
      description: Unauthorized — missing or invalid SMART on FHIR token
      content:
        application/fhir+json:
          schema:
            $ref: '#/components/schemas/OperationOutcome'
  schemas:
    FHIRResource:
      type: object
      description: Generic FHIR R4 resource
      properties:
        resourceType:
          type: string
          description: FHIR resource type
        id:
          type: string
          description: Logical resource ID
        meta:
          type: object
          properties:
            versionId:
              type: string
            lastUpdated:
              type: string
              format: date-time
        text:
          type: object
          description: Human-readable narrative
      additionalProperties: true
    Bundle:
      type: object
      description: FHIR Bundle containing search results
      properties:
        resourceType:
          type: string
          enum:
          - Bundle
        id:
          type: string
        meta:
          type: object
        type:
          type: string
          enum:
          - searchset
          - collection
        total:
          type: integer
          description: Total number of matching resources
        link:
          type: array
          items:
            type: object
            properties:
              relation:
                type: string
              url:
                type: string
                format: uri
        entry:
          type: array
          items:
            type: object
            properties:
              fullUrl:
                type: string
                format: uri
              resource:
                $ref: '#/components/schemas/FHIRResource'
              search:
                type: object
                properties:
                  mode:
                    type: string
    OperationOutcome:
      type: object
      description: FHIR OperationOutcome for errors
      properties:
        resourceType:
          type: string
          enum:
          - OperationOutcome
        issue:
          type: array
          items:
            type: object
            properties:
              severity:
                type: string
                enum:
                - fatal
                - error
                - warning
                - information
              code:
                type: string
              details:
                type: object
              diagnostics:
                type: string
  securitySchemes:
    OAuthSMARTonFHIR:
      type: oauth2
      description: SMART on FHIR OAuth 2.0 authorization
      flows:
        authorizationCode:
          authorizationUrl: https://varian-smart.dynamicfhir.com/core/connect/authorize
          tokenUrl: https://varian-smart.dynamicfhir.com/core/connect/token
          scopes:
            launch/patient: Patient context launch
            patient/Patient.read: Read patient demographics
            patient/Condition.read: Read patient conditions/diagnoses
            patient/Procedure.read: Read patient procedures
            patient/Observation.read: Read patient observations/labs
            patient/DiagnosticReport.read: Read diagnostic reports
            patient/CarePlan.read: Read care plans
            patient/MedicationRequest.read: Read medication requests
            patient/AllergyIntolerance.read: Read allergy records
            patient/DocumentReference.read: Read document references
            patient/Goal.read: Read treatment goals