# AU eRequesting Display Sequence - AU eRequesting Implementation Guide v1.0.0-preview

* [**Table of Contents**](toc.md)
* [**FHIR Artefacts**](fhirartifacts.md)
* [**Artefacts Summary**](artifacts.md)
* **AU eRequesting Display Sequence**

## Extension: AU eRequesting Display Sequence 

| | | |
| :--- | :--- | :--- |
| *Official URL*:http://hl7.org.au/fhir/ereq/StructureDefinition/au-erequesting-displaysequence | *Version*:1.0.0-preview | |
| *Standards status:*[Draft](http://hl7.org/fhir/R4/versions.html#std-process) | [Maturity Level](https://build.fhir.org/ig/hl7au/au-fhir-base/generalguidance.html#maturity-levels): 1 | *Computable Name*:AUeRequestingDisplaySequence |
| **Copyright/Legal**: Used by permission of HL7 International, all rights reserved Creative Commons License. HL7 Australia© 2024+; Licensed Under Creative Commons No Rights Reserved. | | |

This extension applies to the ServiceRequest resource and is used to represent the integer assigned to an individual test or service in a ServiceRequest that corresponds with the sequential position in which a test or service appears on a paper request form.

Sorting by display sequence enables more efficient reconciliation of paper and digital request data at the point of service provision.

**Context of Use**

**Usage info**

**Usages:**

* Use this Extension: [AU eRequesting Diagnostic Request](StructureDefinition-au-erequesting-diagnosticrequest.md)
* Examples for this Extension: [ServiceRequest/order-bg-abs](ServiceRequest-order-bg-abs.md), [ServiceRequest/order-fbc-1](ServiceRequest-order-fbc-1.md), [ServiceRequest/order-glu-1](ServiceRequest-order-glu-1.md), [ServiceRequest/order-ironstudies](ServiceRequest-order-ironstudies.md)...Show 4 more,[ServiceRequest/order-obsus-1](ServiceRequest-order-obsus-1.md),[ServiceRequest/order-urinemcs-1](ServiceRequest-order-urinemcs-1.md),[ServiceRequest/order-xray-1](ServiceRequest-order-xray-1.md)and[ServiceRequest/order-xray-2](ServiceRequest-order-xray-2.md)

You can also check for [usages in the FHIR IG Statistics](https://packages2.fhir.org/xig/hl7.fhir.au.ereq|current/StructureDefinition/au-erequesting-displaysequence)

**Changes since version 1.0.0-ballot:**

* The resource metadata has changed (description)

* The data elements list has changed

* One or more text definitions, invariants or bindings have changed

### Formal Views of Extension Content

 [Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work](http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#structure-definitions). 

 

Other representations of profile: [CSV](StructureDefinition-au-erequesting-displaysequence.csv), [Excel](StructureDefinition-au-erequesting-displaysequence.xlsx), [Schematron](StructureDefinition-au-erequesting-displaysequence.sch) 

#### Constraints



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "au-erequesting-displaysequence",
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 1
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode" : "draft",
      "_valueCode" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org.au/fhir/ereq/ImplementationGuide/hl7.fhir.au.ereq"
          }
        ]
      }
    }
  ],
  "url" : "http://hl7.org.au/fhir/ereq/StructureDefinition/au-erequesting-displaysequence",
  "version" : "1.0.0-preview",
  "name" : "AUeRequestingDisplaySequence",
  "title" : "AU eRequesting Display Sequence",
  "status" : "active",
  "date" : "2025-12-04T05:48:34+00:00",
  "publisher" : "HL7 Australia",
  "contact" : [
    {
      "name" : "HL7 Australia",
      "telecom" : [
        {
          "system" : "url",
          "value" : "https://confluence.hl7.org/display/HAFWG"
        }
      ]
    },
    {
      "name" : "HL7 Australia FHIR Work Group",
      "telecom" : [
        {
          "system" : "url",
          "value" : "https://confluence.hl7.org/display/HAFWG",
          "use" : "work"
        }
      ]
    }
  ],
  "description" : "This extension applies to the ServiceRequest resource and is used to represent the integer assigned to an individual test or service in a ServiceRequest that corresponds with the sequential position in which a test or service appears on a paper request form.\n\nSorting by display sequence enables more efficient reconciliation of paper and digital request data at the point of service provision.",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "urn:iso:std:iso:3166",
          "code" : "AU"
        }
      ]
    }
  ],
  "copyright" : "Used by permission of HL7 International, all rights reserved Creative Commons License. HL7 Australia© 2024+; Licensed Under Creative Commons No Rights Reserved.",
  "fhirVersion" : "4.0.1",
  "mapping" : [
    {
      "identity" : "rim",
      "uri" : "http://hl7.org/v3",
      "name" : "RIM Mapping"
    }
  ],
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [
    {
      "type" : "element",
      "expression" : "ServiceRequest"
    }
  ],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [
      {
        "id" : "Extension",
        "path" : "Extension",
        "short" : "Display sequence",
        "definition" : "This extension applies to the ServiceRequest resource and is used to represent the integer assigned to an individual test or service in a ServiceRequest that corresponds with the sequential position in which a test or service appears on a paper request form.\n\nSorting by display sequence enables more efficient reconciliation of paper and digital request data at the point of service provision."
      },
      {
        "id" : "Extension.extension",
        "path" : "Extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.url",
        "path" : "Extension.url",
        "fixedUri" : "http://hl7.org.au/fhir/ereq/StructureDefinition/au-erequesting-displaysequence"
      },
      {
        "id" : "Extension.value[x]",
        "path" : "Extension.value[x]",
        "min" : 1,
        "type" : [
          {
            "code" : "integer"
          }
        ]
      }
    ]
  }
}

```
