---
title: "Get Meta Crosswalk - Q27"
method: GET
path: "/search/meta_crosswalk"
tags: ["Search"]
---

# Get Meta Crosswalk - Q27

`GET /search/meta_crosswalk`

## Request

- Base URL: `https://cadsrapi.cancer.gov/si-api/v1`
- URL: `https://cadsrapi.cancer.gov/si-api/v1/search/meta_crosswalk`
- Auth: none declared
- TypeScript: <https://skmtc.dev/cancer/apis/ssis-api/docs/search/meta_crosswalk/get.ts> (a function with typed inputs; its response is checked against the schema)

The Metathesaurus contains mappings from the Meta Concept to other standard terminologies. It can be searched using a concept from an external terminology and then, and if mapped other terminologies, you can retrieve the mapped concept.

## Query parameters

- `input_code` string, required
- `input_source` string, required
- `mapped_terminology_source` string, required

## Response `200`

OK

- SearchmetaCrosswalkGETResponse
  - `results` MetaCrosswalk[], required
    - `Input_code` string, required
    - `Input_source` string, required
    - `Input_code_name` string, required
    - `NCIm_ID` string, required
    - `Mapped_Terminology_Code` string, required
    - `Mapped_Terminology_Source` string, required
    - `Mapped_Terminology_Term` string, required
  - `apiResponse` ApiResponse, required
    - `type` string, required: S Success, E Error, W Warning, I Info, A Abort
    - `message` string: Message text
    - `service` string: service that errorred
    - `time` string: Date and time of error
    - `ssnid` string: session id
    - `callStack` CallstackItem[]
      - `service` string, required
      - `flowStep` string, required

## Other responses

- `401`: Access Denied

---

[API](https://skmtc.dev/cancer/apis/ssis-api.md) - [All operations](https://skmtc.dev/cancer/apis/ssis-api/llms.txt) - [OpenAPI document](https://skmtc.dev/cancer/apis/ssis-api/revisions/1e6df122366f?raw)