meddra

MedDRA / WHO Drug Dictionary API

MedDRA (Medical Dictionary for Regulatory Activities) and the WHO Drug Dictionary provide standardized medical terminology APIs for adverse event coding, drug safety reporting, and pharmacovigilance. APIs enable term lookup, hierarchy navigation, and coding validation for regulatory submissions.

GitHub OpenAPI

Documentation

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Documentation
https://www.meddra.org/

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/openapi/meddra-terminology-openapi.yml

Schemas & Data

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JSONSchema
https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-schema/meddra-term-schema.json

Other Resources

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JSONLDContext
https://raw.githubusercontent.com/api-evangelist/meddra/refs/heads/main/json-ld/meddra-context.jsonld

OpenAPI Specification

meddra-terminology-openapi.yml Raw ↑