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curl -X GET "https://api.omophub.com/v1/vocabularies/SNOMED/stats/domains/Condition" \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "success": true,
  "data": {
    "vocabulary_id": "SNOMED",
    "vocabulary_name": "Systematized Nomenclature of Medicine Clinical Terms",
    "domain_id": "Condition",
    "domain_name": "Condition",
    "total_concepts": 125847,
    "standard_concepts": 118943,
    "classification_concepts": 4521,
    "invalid_concepts": 2391,
    "active_concepts": 123456,
    "concept_classes": [
      {
        "concept_class_id": "Clinical Finding",
        "concept_class_name": "Clinical Finding",
        "concept_count": 87234
      },
      {
        "concept_class_id": "Disorder",
        "concept_class_name": "Disorder",
        "concept_count": 23456
      },
      {
        "concept_class_id": "Finding",
        "concept_class_name": "Finding",
        "concept_count": 15157
      }
    ],
    "last_updated": "2024-12-22T10:32:00Z"
  },
  "meta": {
    "request_id": "req_abc123",
    "timestamp": "2024-12-22T10:32:00Z",
    "vocab_release": "2025.1"
  }
}

​
Overview

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

​
Path Parameters

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

​
Query Parameters

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

​
Response

​
success
boolean
required
Indicates whether the request was successful
​
data
object
required
Domain statistics data
​
meta
object
required
Response metadata
curl -X GET "https://api.omophub.com/v1/vocabularies/SNOMED/stats/domains/Condition" \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "success": true,
  "data": {
    "vocabulary_id": "SNOMED",
    "vocabulary_name": "Systematized Nomenclature of Medicine Clinical Terms",
    "domain_id": "Condition",
    "domain_name": "Condition",
    "total_concepts": 125847,
    "standard_concepts": 118943,
    "classification_concepts": 4521,
    "invalid_concepts": 2391,
    "active_concepts": 123456,
    "concept_classes": [
      {
        "concept_class_id": "Clinical Finding",
        "concept_class_name": "Clinical Finding",
        "concept_count": 87234
      },
      {
        "concept_class_id": "Disorder",
        "concept_class_name": "Disorder",
        "concept_count": 23456
      },
      {
        "concept_class_id": "Finding",
        "concept_class_name": "Finding",
        "concept_count": 15157
      }
    ],
    "last_updated": "2024-12-22T10:32:00Z"
  },
  "meta": {
    "request_id": "req_abc123",
    "timestamp": "2024-12-22T10:32:00Z",
    "vocab_release": "2025.1"
  }
}

​
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