{
"code": {
"system": "http://terminology.hl7.org/CodeSystem/usage-context-type",
"code": "venue"
},
"valueCodeableConcept": {
"text": "for CCDA Usage"
},
"valueQuantity": {
"value": 18,
"comparator": ">",
"unit": "yrs",
"system": "http://unitsofmeasure.org",
"code": "a"
}
}