curl -X GET "https://api.omophub.com/v1/concepts/320128/mappings?targetVocabulary=ICD10CM" \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "success": true,
  "data": {
    "concept": {
      "concept_id": 320128,
      "concept_name": "Essential hypertension",
      "vocabulary_id": "SNOMED",
      "domain_id": "Condition"
    },
    "mappings": [
      {
        "target_concept_id": 319826,
        "target_concept_name": "Essential hypertension",
        "target_concept_code": "I10",
        "target_vocabulary_id": "ICD10CM",
        "target_domain_id": "Condition",
        "mapping_type": "Maps to",
        "relationship_id": "Maps to",
        "mapping_confidence": 1.0,
        "is_primary_mapping": true,
        "valid_start_date": "2015-10-01T00:00:00Z",
        "valid_end_date": "2099-12-31T00:00:00Z"
      }
    ],
    "mapping_summary": {
      "total_mappings": 1,
      "target_vocabularies": ["ICD10CM"],
      "mapping_types": ["Maps to"],
      "primary_mappings": 1
    }
  },
  "meta": {
    "request_id": "req_mappings_320128_20241222_103300",
    "timestamp": "2024-12-22T10:33:00Z",
    "vocab_release": "2025.2"
  }
}