Search ICD-11
icd11_searchSearch ICD-11 for diseases, symptoms, and medical conditions to find diagnosis codes and official multilingual labels. Use it to look up conditions by name or keyword.
Instructions
Search for medical conditions, diseases, and health problems in ICD-11 (International Classification of Diseases, 11th Revision).
Use this tool to:
Find ICD-11 codes for diagnoses
Search for diseases by name or keyword
Look up conditions in multiple languages
Set language for WHO's official translations — e.g. language: "pt" searches and returns the official Portuguese (pt-BR) ICD-11 labels. Never machine-translated.
Returns matching entities with codes, titles, and relevance scores.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| query | Yes | Search text (disease name, symptom, or keyword) | |
| language | No | Language code (default: en). Returns the source's OFFICIAL translation when it exists (e.g. 'pt' for official Portuguese); content is never machine-translated. | en |
| max_results | No | Maximum number of results (1-100). Default: 25 |
Output Schema
| Name | Required | Description | Default |
|---|---|---|---|
| query | Yes | The search text as submitted. | |
| entities | Yes | Matching ICD-11 MMS entities in WHO relevance order, at most max_results. | |
| provenance | Yes | Provenance block: source, URL, data vintage, extraction instant, origin diagnostics, citation, license | |
| attribution | Yes | Canonical source URLs of this response (attribution list) | |
| total_count | Yes | Number of entities the WHO search returned, before the max_results cap. |