Diagnostic order is placed when a recent image of the same body site already exists

{
  "resourceType" : "DetectedIssue",
  "id" : "duplicate",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n      <p>Similar test was performed within the past 14 days</p>\n      <ul>\n        <li>\n          <a href=\"ServiceRequest/id\">Chest CT - ordered May 8, 2013 by Dr. Adam Careful</a>\n        </li>\n        <li>\n          <a href=\"ImagingStudy/example\">Image 1 from Series 3: CT Images on Patient MINT (MINT1234) taken at 1-Jan 2011 01:20 AM</a>\n        </li>\n      </ul>\n    </div>"
  },
  "identifier" : [{
    "use" : "official",
    "system" : "http://example.org",
    "value" : "12345"
  }],
  "status" : "final",
  "code" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
      "code" : "DUPTHPY",
      "display" : "Duplicate Therapy Alert"
    }]
  },
  "subject" : {
    "reference" : "Patient/dicom"
  },
  "identifiedDateTime" : "2013-05-08",
  "author" : {
    "reference" : "Device/example"
  },
  "implicated" : [{
    "reference" : "ServiceRequest/di",
    "display" : "Chest CT - ordered May 8, 2013 by Dr. Adam Careful"
  },
  {
    "reference" : "ImagingStudy/example",
    "display" : "Image 1 from Series 3: CT Images on Patient MINT (MINT1234) taken at 1-Jan 2011 01:20 AM"
  }],
  "detail" : "Similar test was performed within the past 14 days",
  "reference" : "http://www.tmhp.com/RadiologyClinicalDecisionSupport/2011/CHEST%20IMAGING%20GUIDELINES%202011.pdf"
}