Taken from a DICOM sample

{
  "resourceType" : "Patient",
  "id" : "dicom",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"> Patient MINT_TEST, ID = MINT1234. Age = 56y, Size =\n      1.83m, Weight = 72.58kg </div>"
  },
  "extension" : [{
    "url" : "http://nema.org/fhir/extensions#0010:1010",
    "valueQuantity" : {
      "value" : 56,
      "unit" : "Y"
    }
  },
  {
    "url" : "http://nema.org/fhir/extensions#0010:1020",
    "valueQuantity" : {
      "value" : 1.83,
      "unit" : "m"
    }
  },
  {
    "url" : "http://nema.org/fhir/extensions#0010:1030",
    "valueQuantity" : {
      "value" : 72.58,
      "unit" : "kg"
    }
  }],
  "identifier" : [{
    "system" : "http://nema.org/examples/patients",
    "value" : "MINT1234"
  }],
  "active" : true,
  "name" : [{
    "family" : "MINT_TEST"
  }],
  "gender" : "male",
  "_gender" : {
    "extension" : [{
      "url" : "http://nema.org/examples/extensions#gender",
      "valueCoding" : {
        "system" : "http://nema.org/examples/gender",
        "code" : "M"
      }
    }]
  },
  "managingOrganization" : {
    "reference" : "Organization/1"
  }
}