This
page
is
part
of
the
Continuous
Integration
Build
of
FHIR
Specification
(v5.0.0:
R5
-
STU
).
This
is
the
current
published
version
in
it's
permanent
home
(it
will
always
(will
be
available
incorrect/inconsistent
at
this
URL).
For
a
full
list
of
available
versions,
see
times).
See
the
Directory
of
published
versions
.
Page
versions:
R5
R4B
R4
R3
Example
CodeSystem/message-transport
(XML)
Raw
XML
(
canonical
form
+
also
see
XML
Format
Specification
)
Definition
for
Code
SystemMessageTransport
<?xml version="1.0" encoding="UTF-8"?>
<CodeSystem xmlns="http://hl7.org/fhir">
<id value="message-transport"/>
<meta>
<lastUpdated value="2025-11-13T11:10:33.286+00:00"/>
</meta>
<text>
<status value="generated"/>
<div xmlns="http://www.w3.org/1999/xhtml">
This code system
<p class="res-header-id">
<b> Generated Narrative: CodeSystem message-transport</b>
</p>
<a name="message-transport"> </a>
<a name="hcmessage-transport"> </a>
<p> This case-sensitive code system
<code> http://hl7.org/fhir/message-transport</code> defines the following codes:
</p>
<table class="codes">
<tr>
<td style="white-space:nowrap">
<b> Code</b>
</td>
<td>
<b> Display</b>
</td>
<td>
<b> Definition</b>
</td>
</tr>
<tr>
<td style="white-space:nowrap">http
<a name="message-transport-http"> </a>
</td>
<td> HTTP</td>
<td> The application sends or receives messages using HTTP POST (may be over http: or
https:).</td>
</tr>
<tr>
<td style="white-space:nowrap">ftp
<a name="message-transport-ftp"> </a>
</td>
<td> FTP</td>
<td> The application sends or receives messages using File Transfer Protocol.</td>
</tr>
<tr>
<td style="white-space:nowrap">mllp
<a name="message-transport-mllp"> </a>
</td>
<td> MLLP</td>
<td> The application sends or receives messages using HL7's Minimal Lower Level Protocol.</td>
</tr>
</table>
</div>
</text>
<extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
<valueCode value="fhir"/>
</extension>
<extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
<valueCode value="normative"/>
</extension>
<extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
<valueInteger value="5"/>
</extension>
<url value="http://hl7.org/fhir/message-transport"/>
<identifier>
<system value="urn:ietf:rfc:3986"/>
<value value="urn:oid:2.16.840.1.113883.4.642.4.1080"/>
</identifier>
<version value="6.0.0-ballot3"/>
<name value="MessageTransport"/>
<title value="Message Transport"/>
<status value="active"/>
<experimental value="false"/>
<date value="2020-12-28T16:55:11+11:00"/>
<publisher value="HL7 (FHIR Project)"/>
<contact>
<telecom>
<system value="url"/>
<value value="http://hl7.org/fhir"/>
</telecom>
<telecom>
<system value="email"/>
<value value="fhir@lists.hl7.org"/>
</telecom>
</contact>
<description value="The protocol used for message transport."/>
<jurisdiction>
<coding>
<system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
<code value="001"/>
<display value="World"/>
</coding>
</jurisdiction>
<caseSensitive value="true"/>
<valueSet value="http://hl7.org/fhir/ValueSet/message-transport"/>
<content value="complete"/>
<concept>
<code value="http"/>
<display value="HTTP"/>
<definition value="The application sends or receives messages using HTTP POST (may be over http: or
https:)."/>
</concept>
<concept>
<code value="ftp"/>
<display value="FTP"/>
<definition value="The application sends or receives messages using File Transfer Protocol."/>
</concept>
<concept>
<code value="mllp"/>
<display value="MLLP"/>
<definition value="The application sends or receives messages using HL7's Minimal Lower Level Protocol."/>
</concept>
</
CodeSystem
>
Usage
note:
every
effort
has
been
made
to
ensure
that
the
examples
are
correct
and
useful,
but
they
are
not
a
normative
part
of
the
specification.