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: Message Definition - Imaging Order (O19)

Draft as of 2026-11-01

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{
  "resourceType" : "MessageDefinition",
  "id" : "imaging-order",
  "language" : "en",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: MessageDefinition imaging-order</b></p><a name=\"imaging-order\"> </a><a name=\"hcimaging-order\"> </a><p><b>url</b>: <a href=\"MessageDefinition-imaging-order.html\">MessageDefinition Imaging Order (O19)</a></p><p><b>version</b>: 0.1.0</p><p><b>name</b>: ImagingOrder</p><p><b>title</b>: Imaging Order (O19)</p><p><b>status</b>: Draft</p><p><b>experimental</b>: true</p><p><b>date</b>: 2026-11-01</p><p><b>publisher</b>: NHS North West Genomics</p><p><b>contact</b>: <a href=\"https://www.nwgenomics.nhs.uk/contact-us\">https://www.nwgenomics.nhs.uk/contact-us</a></p><p><b>description</b>: </p><div><p>FHIR Message equivalent of the IHE SWF.b HL7 v2.5.1 <code>OMG^O19^OMG_O19</code> order message,\nsent by the Order Placer for <a href=\"RAD-2.html\">Placer Order Management [RAD-2]</a> and by the\nOrder Filler for <a href=\"RAD-3.html\">Filler Order Management [RAD-3]</a>. The order control\n(ORC-1) and order status (ORC-5) are carried by the\n<a href=\"StructureDefinition-RadiologyServiceRequest.html\">Radiology Service Request</a>:</p>\n<table class=\"grid\">\n<thead>\n<tr>\n<th>Transaction</th>\n<th>ORC-1</th>\n<th>ServiceRequest</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td>RAD-2 new order</td>\n<td>NW</td>\n<td><code>status</code> active, placer order number</td>\n</tr>\n<tr>\n<td>RAD-2 change order</td>\n<td>XO</td>\n<td>updated ServiceRequest</td>\n</tr>\n<tr>\n<td>RAD-2 cancel order</td>\n<td>CA</td>\n<td><code>status</code> revoked</td>\n</tr>\n<tr>\n<td>RAD-3 new filler order</td>\n<td>SN</td>\n<td><code>status</code> active, filler order number and accession number</td>\n</tr>\n<tr>\n<td>RAD-3 change order</td>\n<td>XX</td>\n<td>updated ServiceRequest</td>\n</tr>\n<tr>\n<td>RAD-3 status change</td>\n<td>SC</td>\n<td><code>status</code> from ORC-5</td>\n</tr>\n<tr>\n<td>RAD-3 cancel</td>\n<td>OC</td>\n<td><code>status</code> revoked</td>\n</tr>\n</tbody>\n</table>\n<p>The code-by-code ORC-1 / ORC-5 mapping to <code>ServiceRequest.status</code> is <strong>Open</strong>.</p>\n<p>The HL7 v2 acknowledgement <code>ORG^O20^ORG_O20</code> is a FHIR response message\n(<code>MessageHeader.response</code>) - from the Order Filler for RAD-2, returning the\nServiceRequest with the filler order number; from the Order Placer for RAD-3, returning\nthe placer order number.</p>\n</div><p><b>jurisdiction</b>: <span title=\"Codes:{urn:iso:std:iso:3166 GB}\">United Kingdom of Great Britain and Northern Ireland</span></p><p><b>event</b>: <a href=\"http://terminology.hl7.org/7.5.0/CodeSystem-v2-0003.html#v2-0003-O19\">event: O19</a> (OMG - General clinical order)</p><p><b>category</b>: Consequence</p><h3>Focus</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Code</b></td><td><b>Profile</b></td><td><b>Min</b></td><td><b>Max</b></td></tr><tr><td style=\"display: none\">*</td><td>ServiceRequest</td><td><a href=\"StructureDefinition-RadiologyServiceRequest.html\">Radiology Service Request</a></td><td>1</td><td>1</td></tr></table><p><b>responseRequired</b>: Always</p></div>"
  },
  "url" : "https://fhir.nwgenomics.nhs.uk/Imaging/MessageDefinition/imaging-order",
  "version" : "0.1.0",
  "name" : "ImagingOrder",
  "title" : "Imaging Order (O19)",
  "status" : "draft",
  "experimental" : true,
  "date" : "2026-11-01",
  "publisher" : "NHS North West Genomics",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "https://www.nwgenomics.nhs.uk/contact-us"
        }
      ]
    }
  ],
  "description" : "FHIR Message equivalent of the IHE SWF.b HL7 v2.5.1 `OMG^O19^OMG_O19` order message,\nsent by the Order Placer for [Placer Order Management [RAD-2]](RAD-2.html) and by the\nOrder Filler for [Filler Order Management [RAD-3]](RAD-3.html). The order control\n(ORC-1) and order status (ORC-5) are carried by the\n[Radiology Service Request](StructureDefinition-RadiologyServiceRequest.html):\n\n| Transaction | ORC-1 | ServiceRequest |\n|---|---|---|\n| RAD-2 new order | NW | `status` active, placer order number |\n| RAD-2 change order | XO | updated ServiceRequest |\n| RAD-2 cancel order | CA | `status` revoked |\n| RAD-3 new filler order | SN | `status` active, filler order number and accession number |\n| RAD-3 change order | XX | updated ServiceRequest |\n| RAD-3 status change | SC | `status` from ORC-5 |\n| RAD-3 cancel | OC | `status` revoked |\n\nThe code-by-code ORC-1 / ORC-5 mapping to `ServiceRequest.status` is **Open**.\n\nThe HL7 v2 acknowledgement `ORG^O20^ORG_O20` is a FHIR response message\n(`MessageHeader.response`) - from the Order Filler for RAD-2, returning the\nServiceRequest with the filler order number; from the Order Placer for RAD-3, returning\nthe placer order number.",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "urn:iso:std:iso:3166",
          "code" : "GB",
          "display" : "United Kingdom of Great Britain and Northern Ireland"
        }
      ]
    }
  ],
  "eventCoding" : {
    "system" : "http://terminology.hl7.org/CodeSystem/v2-0003",
    "code" : "O19",
    "display" : "OMG - General clinical order"
  },
  "category" : "consequence",
  "focus" : [
    {
      "code" : "ServiceRequest",
      "profile" : "https://fhir.nwgenomics.nhs.uk/Imaging/StructureDefinition/RadiologyServiceRequest",
      "min" : 1,
      "max" : "1"
    }
  ],
  "responseRequired" : "always"
}