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Overview

This endpoint returns all OMOP concept classes, providing insights into the classification structure of medical concepts.

Query Parameters

string
Specific vocabulary release version (e.g., “2025.1”)

Response

boolean
required
Indicates whether the request was successful
array
required
Array of concept classes
object
required
Response metadata

Notes

  • Returns all concept classes from the vocabulary database
  • Results are ordered alphabetically by concept class name
  • The concept_class_concept_id field contains the concept ID that represents this concept class