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Overview

This endpoint provides statistics about concepts within a specific domain of a particular vocabulary, including concept counts and class distribution.

Path Parameters

string
required
The vocabulary identifier (e.g., “SNOMED”, “ICD10CM”, “LOINC”)
string
required
The domain identifier (e.g., “Condition”, “Drug”, “Procedure”, “Measurement”)

Query Parameters

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

Response

boolean
required
Indicates whether the request was successful
object
required
Domain statistics data
object
required
Response metadata

Notes

  • Returns statistics for a specific vocabulary-domain combination
  • The concept_classes array shows the top 10 concept classes by count
  • Use this endpoint to understand concept distribution within a domain