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curl -X GET "https://api.omophub.com/v1/concepts/320128" \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "success": true,
  "data": {
    "concept_id": 320128,
    "concept_name": "Essential hypertension",
    "concept_code": "59621000",
    "vocabulary_id": "SNOMED",
    "domain_id": "Condition",
    "concept_class_id": "Clinical Finding",
    "standard_concept": "S",
    "valid_start_date": "1970-01-01",
    "valid_end_date": "2099-12-31",
    "invalid_reason": null,
    "synonyms": [
      "Primary hypertension",
      "Idiopathic hypertension",
      "High blood pressure"
    ],
    "relationships": {
      "parents": [
        {
          "concept_id": 316866,
          "concept_name": "Hypertensive disorder",
          "relationship_id": "Is a"
        }
      ],
      "children": [
        {
          "concept_id": 4124681,
          "concept_name": "Accelerated hypertension",
          "relationship_id": "Subsumes"
        }
      ]
    }
  },
  "meta": {
    "request_id": "req_concept_123",
    "timestamp": "2024-12-22T10:00:00Z",
    "vocab_release": "2025.2"
  }
}

​
Overview

Retrieve comprehensive information about a medical concept using its unique concept ID. This endpoint provides full concept details including synonyms, relationships, and classification information.

​
Path Parameters

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conceptId
integer
required
The unique concept identifier (e.g., 320128 for “Essential hypertension”)

​
Query Parameters

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vocabulary_version
string
Specific vocabulary version to use (e.g., “2024.1”). Uses latest if not specified.
​
include_relationships
boolean
default:"false"
Include related concepts (parents, children, mappings)
​
include_synonyms
boolean
default:"false"
Include all synonyms and alternative names
curl -X GET "https://api.omophub.com/v1/concepts/320128" \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "success": true,
  "data": {
    "concept_id": 320128,
    "concept_name": "Essential hypertension",
    "concept_code": "59621000",
    "vocabulary_id": "SNOMED",
    "domain_id": "Condition",
    "concept_class_id": "Clinical Finding",
    "standard_concept": "S",
    "valid_start_date": "1970-01-01",
    "valid_end_date": "2099-12-31",
    "invalid_reason": null,
    "synonyms": [
      "Primary hypertension",
      "Idiopathic hypertension",
      "High blood pressure"
    ],
    "relationships": {
      "parents": [
        {
          "concept_id": 316866,
          "concept_name": "Hypertensive disorder",
          "relationship_id": "Is a"
        }
      ],
      "children": [
        {
          "concept_id": 4124681,
          "concept_name": "Accelerated hypertension",
          "relationship_id": "Subsumes"
        }
      ]
    }
  },
  "meta": {
    "request_id": "req_concept_123",
    "timestamp": "2024-12-22T10:00:00Z",
    "vocab_release": "2025.2"
  }
}

​
Common Use Cases

​
1. Clinical Decision Support

Get concept details for clinical coding and documentation systems.

​
2. Data Validation

Verify concept information during data quality checks.

​
3. User Interface Display

Show detailed concept information in healthcare applications.

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4. Relationship Analysis

Understand concept hierarchies and mappings for analysis.
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