> ## Documentation Index > Fetch the complete documentation index at: https://docs.scan.com/llms.txt > Use this file to discover all available pages before exploring further. # Returns CPT code mappings > Returns every procedure mapping for an exact CPT code. A code can have multiple mappings when modality, body part, contrast, laterality, modifier, or number of views differs. ## OpenAPI ````yaml /openapi.yaml get /api/v2/cpt_codes openapi: 3.1.0 info: title: Scan.com API version: v2 description: > This API provides comprehensive access to Scan.com’s core functionalities, including management of referrals, patient information, authentication, body parts, and imaging modalities. It enables seamless integration for scheduling, data retrieval, and workflow automation within the Scan.com platform, facilitating efficient and secure handling of medical imaging processes. servers: - url: https://api.staging.scan.com description: Sandbox - url: https://api.scan.com description: Production security: - BearerAuth: [] tags: - name: Courier SSO description: >- Mint a one-time Courier portal SSO URL with the same Bearer token used for the rest of the API. - name: Webhooks description: >- Outbound HTTP POST notifications sent to your api_credentials.webhook_url when visit or notification status changes. Configure api_credentials on your LawFirm, Practice, CoordinationGroup, Insurance, Employer, or NurseCaseManagementGroup. - name: Order Documents description: >- Retrieve radiology report PDFs, DICOM imaging, and invoices for orders visible to the authenticated group. - name: Locations description: >- Rank nearby imaging centers for a referral after medical safety answers are on file. Partners submit a preferred center; Scan books the visit. - name: Testing description: Staging-only fixture bootstrap, status advancement, and test webhooks. - name: FHIR description: >- Opt-in FHIR R4 read shapes for DiagnosticReport and ImagingStudy. Not a FHIR server. paths: /api/v2/cpt_codes: get: tags: - CPT Codes summary: Returns CPT code mappings description: | Returns every procedure mapping for an exact CPT code. A code can have multiple mappings when modality, body part, contrast, laterality, modifier, or number of views differs. operationId: listCptCodes parameters: - name: code in: query required: true description: Exact CPT code schema: type: string example: '70551' responses: '200': description: CPT code mappings content: application/json: examples: CPT code mappings: value: - id: 11111111-1111-1111-1111-111111111113 code: '70551' modality_id: 11111111-1111-1111-1111-111111111111 modality_name: MRI body_part_id: 11111111-1111-1111-1111-111111111112 body_part_name: Brain contrast: without_contrast laterality: not_present modifier_id: null modifier_name: null number_of_views: null schema: type: array items: type: object properties: id: type: string format: uuid code: type: string modality_id: type: string format: uuid modality_name: type: string body_part_id: type: string format: uuid body_part_name: type: string contrast: type: string enum: - with_contrast - without_contrast - without_and_with_contrast laterality: type: string enum: - left - right - not_present modifier_id: type: string format: uuid nullable: true modifier_name: type: string nullable: true number_of_views: type: integer minimum: 1 maximum: 6 nullable: true required: - id - code - modality_id - modality_name - body_part_id - body_part_name - contrast - laterality '400': description: code parameter missing content: application/json: schema: type: object properties: error: type: string example: Code is required '401': $ref: '#/components/responses/Unauthorized' '429': $ref: '#/components/responses/TooManyRequests' '500': $ref: '#/components/responses/InternalServerError' security: - BearerAuth: [] components: responses: Unauthorized: description: Missing, expired, or wrong-environment token headers: X-Request-Id: $ref: '#/components/headers/RequestId' content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: unauthorized: value: error: Unauthorized message: Unauthorized type: authentication_error code: unauthorized request_id: abc-123 documentation_url: https://docs.scan.com/guides/errors#unauthorized expired: value: error: API token expired message: API token expired type: authentication_error code: api_token_expired request_id: abc-123 documentation_url: https://docs.scan.com/guides/errors#api_token_expired TooManyRequests: description: Sandbox request allowance exhausted headers: X-Request-Id: $ref: '#/components/headers/RequestId' content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: Sandbox request limit reached message: Sandbox request limit reached type: rate_limit_error code: sandbox_request_limit_reached request_id: abc-123 documentation_url: https://docs.scan.com/guides/errors#sandbox_request_limit_reached InternalServerError: description: Unexpected internal error headers: X-Request-Id: $ref: '#/components/headers/RequestId' content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: Internal server error message: Internal server error type: api_error code: internal_error request_id: abc-123 documentation_url: https://docs.scan.com/guides/errors#internal_error headers: RequestId: description: Correlate this response with Scan support. schema: type: string schemas: ErrorResponse: type: object properties: error: type: string message: type: string type: type: string example: validation_error code: type: string example: unprocessable_entity request_id: type: string documentation_url: type: string errors: type: array items: type: string required: - error - message - type - code securitySchemes: BearerAuth: type: http scheme: bearer description: > `Authorization: Bearer `. Sandbox tokens come from Get API keys and allow 2,000 successful requests or 7 days. Failed 4xx/5xx responses do not consume the allowance. Production tokens are issued from the group's API access tab. ````