{
  "_comment": "Educational USDM Biomedical Concept example (USDM Play). Shows Activity -> BiomedicalConceptCategory -> BiomedicalConcept -> BiomedicalConceptProperty -> ResponseCode.",
  "_conformance_notes": "Fixed vs. the previous version of this file: BiomedicalConcept and BiomedicalConceptCategory have no single natural parent in the API (many Activities can reference the same concept), so they are collected on StudyDesign, not presented as flat top-level keys. Activity.bcCategoryIds/biomedicalConceptIds are confirmed relationship names from the USDM data dictionary (Activity.bcCategories, Activity.biomedicalConcepts, Activity.bcSurrogates).",
  "studyDesign": {
    "id": "StudyDesign_1",
    "instanceType": "StudyDesign",
    "activities": [
      {
        "id": "Activity_VitalSigns",
        "instanceType": "Activity",
        "name": "Vital Signs",
        "bcCategoryIds": ["BCCategory_VitalSigns"]
      }
    ],
    "bcCategories": [
      {
        "id": "BCCategory_VitalSigns",
        "instanceType": "BiomedicalConceptCategory",
        "name": "Vital Signs",
        "code": { "standardCode": { "code": "C25290", "decode": "Vital Signs", "codeSystem": "cdisc.org" } },
        "memberIds": ["BC_SystolicBP", "BC_DiastolicBP", "BC_HeartRate"]
      }
    ],
    "biomedicalConcepts": [
      {
        "id": "BC_SystolicBP",
        "instanceType": "BiomedicalConcept",
        "name": "Systolic Blood Pressure",
        "reference": "https://www.cdisc.org/cdisc-biomedical-concepts#C25298",
        "code": { "standardCode": { "code": "C25298", "decode": "Systolic Blood Pressure", "codeSystem": "cdisc.org" } },
        "properties": [
          {
            "id": "Prop_SysBP_Result",
            "instanceType": "BiomedicalConceptProperty",
            "name": "Result",
            "isRequired": true,
            "isEnabled": true,
            "datatype": "float"
          },
          {
            "id": "Prop_SysBP_Position",
            "instanceType": "BiomedicalConceptProperty",
            "name": "Body Position",
            "isRequired": false,
            "isEnabled": true,
            "responseCodes": [
              { "id": "RC_Sitting", "code": { "code": "C62165", "decode": "Sitting" } },
              { "id": "RC_Standing", "code": { "code": "C62170", "decode": "Standing" } },
              { "id": "RC_Supine", "code": { "code": "C62167", "decode": "Supine" } }
            ]
          }
        ]
      },
      {
        "id": "BC_DiastolicBP",
        "instanceType": "BiomedicalConcept",
        "name": "Diastolic Blood Pressure",
        "code": { "standardCode": { "code": "C25299", "decode": "Diastolic Blood Pressure", "codeSystem": "cdisc.org" } }
      },
      {
        "id": "BC_HeartRate",
        "instanceType": "BiomedicalConcept",
        "name": "Heart Rate",
        "code": { "standardCode": { "code": "C49677", "decode": "Heart Rate", "codeSystem": "cdisc.org" } }
      }
    ]
  }
}