# Australian Secure Message Service Interfaces - AU Provider Directory Implementation Guide v2.1.0-ci-build

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Australian Secure Message Service Interfaces**

## CodeSystem: Australian Secure Message Service Interfaces (Experimental) 

| | |
| :--- | :--- |
| *Official URL*:http://hl7.org.au/fhir/CodeSystem/smd-interfaces | *Version*:2.1.0-ci-build |
| * Standards status: *[Informative](http://hl7.org/fhir/R4/versions.html#std-process) | *Computable Name*:AustralianSecureMessageServiceInterfaces |
| **Copyright/Legal**: HL7 Australia© 2018+; Licensed Under Creative Commons No Rights Reserved. | |

 
The Australian Secure Message Service Interfaces code system defines concepts that identify service interfaces for secure message delivery. 

 This Code system is referenced in the content logical definition of the following value sets: 

* [AustralianServiceInterfaces](ValueSet-service-interfaces.md)



## Resource Content

```json
{
  "resourceType" : "CodeSystem",
  "id" : "smd-interfaces",
  "meta" : {
    "profile" : ["http://hl7.org/fhir/StructureDefinition/shareablecodesystem"]
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "informative",
    "_valueCode" : {
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical" : "http://hl7.org.au/fhir/pd/ImplementationGuide/hl7.fhir.au.pd"
      }]
    }
  }],
  "url" : "http://hl7.org.au/fhir/CodeSystem/smd-interfaces",
  "version" : "2.1.0-ci-build",
  "name" : "AustralianSecureMessageServiceInterfaces",
  "title" : "Australian Secure Message Service Interfaces",
  "status" : "draft",
  "experimental" : true,
  "date" : "2026-06-17T22:24:03+00:00",
  "publisher" : "HL7 Australia",
  "contact" : [{
    "name" : "HL7 Australia FHIR Working Group",
    "telecom" : [{
      "system" : "url",
      "value" : "https://confluence.hl7.org/display/HAFWG",
      "use" : "work"
    }]
  }],
  "description" : "The Australian Secure Message Service Interfaces code system defines concepts that identify service interfaces for secure message delivery.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "AU"
    }]
  }],
  "copyright" : "HL7 Australia© 2018+; Licensed Under Creative Commons No Rights Reserved.",
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org.au.fhir/ValueSet/valueset-au-serviceinterface",
  "compositional" : false,
  "versionNeeded" : true,
  "content" : "complete",
  "concept" : [{
    "code" : "http://ns.electronichealth.net.au/smd/intf/SealedImmediateMessageDelivery/TLS/2010",
    "display" : "Sealed Immediate Message Delivery",
    "definition" : "Service interface for secure message delivery (immediate mode)"
  },
  {
    "code" : "http://ns.electronichealth.net.au/smd/intf/SealedMessageDelivery/TLS/2010",
    "display" : "Sealed Message Delivery",
    "definition" : "Service interface for secure message delivery (deferred mode)"
  },
  {
    "code" : "http://ns.electronichealth.net.au/smd/intf/SealedMessageRetrieval/TLS/2010",
    "display" : "Sealed Message Retrieval",
    "definition" : "Service interface for secure message delivery (retrieval in deferred mode)"
  },
  {
    "code" : "http://ns.electronichealth.net.au/smd/intf/TransportResponseDelivery/TLS/2010",
    "display" : "Transport Response Delivery",
    "definition" : "Service interface for secure message delivery (deliver acknowledgement)"
  },
  {
    "code" : "http://ns.electronichealth.net.au/smd/intf/TransportResponseRetrieval/TLS/2010",
    "display" : "Transport Response Retrieval",
    "definition" : "Service interface for secure message delivery (retrieve acknowledgement)"
  }]
}

```
