---
type: "codesystem"
title: "List Mode"
codesystem: "list-mode"
---
# List Mode

- **Official URL**: http://hl7.org/fhir/list-mode
- **Version**: 6.0.0
- **Status**: active
- **Name**: ListMode
- **Title**: List Mode
- **Publisher**: HL7 (FHIR Project)
- **Description**: The processing mode that applies to this list.
- **Case Sensitive**: true
- **Content**: complete

## Concepts

| Code | Display | Definition |
| --- | --- | --- |
| working | Working List | This list is the master list, maintained in an ongoing fashion with regular updates as the real-world list it is tracking changes. |
| snapshot | Snapshot List | This list was prepared as a snapshot. It should not be assumed to be current. |
| changes | Change List | A point-in-time list that shows what changes have been made or recommended.  E.g. a discharge medication list showing what was added and removed during an encounter. |

## CodeSystem XML



```xml
<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="list-mode"/>
  <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="2"/>
  </extension>
  <url value="http://hl7.org/fhir/list-mode"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.319"/>
  </identifier>
  <identifier>
    <use value="old"/>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.1.310"/>
  </identifier>
  <identifier>
    <use value="old"/>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.2.174"/>
  </identifier>
  <version value="6.0.0"/>
  <name value="ListMode"/>
  <title value="List Mode"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2021-01-05T10:01:24+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 processing mode that applies to this list."/>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/list-mode"/>
  <content value="complete"/>
  <concept>
    <code value="working"/>
    <display value="Working List"/>
    <definition value="This list is the master list, maintained in an ongoing fashion with regular updates as the real-world list it is tracking changes."/>
  </concept>
  <concept>
    <code value="snapshot"/>
    <display value="Snapshot List"/>
    <definition value="This list was prepared as a snapshot. It should not be assumed to be current."/>
  </concept>
  <concept>
    <code value="changes"/>
    <display value="Change List"/>
    <definition value="A point-in-time list that shows what changes have been made or recommended.  E.g. a discharge medication list showing what was added and removed during an encounter."/>
  </concept>
</CodeSystem>
```