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

{
  "success": true,
  "data": {
    "domain_id": "Condition",
    "statistics": {
      "domain_id": "Condition",
      "domain_name": "Condition",
      "total_concepts": 845672,
      "standard_concepts": 423891,
      "non_standard_concepts": 421781,
      "invalid_concepts": 12453,
      "vocabulary_breakdown": [
        {
          "vocabulary_id": "SNOMED",
          "vocabulary_name": "Systematized Nomenclature of Medicine Clinical Terms",
          "concept_count": 387421
        },
        {
          "vocabulary_id": "ICD10CM",
          "vocabulary_name": "International Classification of Diseases, Tenth Revision, Clinical Modification",
          "concept_count": 98234
        },
        {
          "vocabulary_id": "ICD10",
          "vocabulary_name": "International Classification of Diseases, Tenth Revision",
          "concept_count": 87456
        }
      ],
      "concept_class_breakdown": [
        {
          "concept_class_id": "Clinical Finding",
          "concept_class_name": "Clinical Finding",
          "concept_count": 312456
        },
        {
          "concept_class_id": "Disorder",
          "concept_class_name": "Disorder",
          "concept_count": 156789
        }
      ],
      "creation_date_range": {
        "earliest": "1970-01-01",
        "latest": "2024-12-01"
      }
    }
  },
  "meta": {
    "request_id": "req_abc123",
    "vocab_release": "2025.1",
    "timestamp": "2025-01-05T10:00:00Z"
  }
}
This endpoint provides statistical information about a domain, including concept counts, vocabulary distribution, and concept class breakdown.

​
Path Parameters

​
domain_id
string
required
The domain identifier to get statistics for.
Example: Condition, Drug, Procedure

​
Query Parameters

​
vocab_release
string
Specific vocabulary release version to query
Example: 2025.1

​
Response

​
domain_id
string
Domain identifier.
​
statistics
object
Statistical overview of the domain.
​
meta
object
Response metadata.
curl -X GET "https://api.omophub.com/v1/domains/Condition/statistics" \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "success": true,
  "data": {
    "domain_id": "Condition",
    "statistics": {
      "domain_id": "Condition",
      "domain_name": "Condition",
      "total_concepts": 845672,
      "standard_concepts": 423891,
      "non_standard_concepts": 421781,
      "invalid_concepts": 12453,
      "vocabulary_breakdown": [
        {
          "vocabulary_id": "SNOMED",
          "vocabulary_name": "Systematized Nomenclature of Medicine Clinical Terms",
          "concept_count": 387421
        },
        {
          "vocabulary_id": "ICD10CM",
          "vocabulary_name": "International Classification of Diseases, Tenth Revision, Clinical Modification",
          "concept_count": 98234
        },
        {
          "vocabulary_id": "ICD10",
          "vocabulary_name": "International Classification of Diseases, Tenth Revision",
          "concept_count": 87456
        }
      ],
      "concept_class_breakdown": [
        {
          "concept_class_id": "Clinical Finding",
          "concept_class_name": "Clinical Finding",
          "concept_count": 312456
        },
        {
          "concept_class_id": "Disorder",
          "concept_class_name": "Disorder",
          "concept_count": 156789
        }
      ],
      "creation_date_range": {
        "earliest": "1970-01-01",
        "latest": "2024-12-01"
      }
    }
  },
  "meta": {
    "request_id": "req_abc123",
    "vocab_release": "2025.1",
    "timestamp": "2025-01-05T10:00:00Z"
  }
}

​
Usage Examples

​
Get Condition Domain Statistics

GET /v1/domains/Condition/statistics

​
Get Drug Domain Statistics

GET /v1/domains/Drug/statistics

​
Get Procedure Domain Statistics

GET /v1/domains/Procedure/statistics

​
Notes

  • Statistics are calculated from the current vocabulary release
  • The vocabulary_breakdown shows which source vocabularies contribute concepts to the domain
  • The concept_class_breakdown shows the distribution of concept types within the domain
  • Standard concepts are preferred for clinical applications