This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions icon CodeSystem http://hl7.org/fhir/map-source-list-mode

FHIR Infrastructure icon Work Group Maturity Level: 2Trial Use Use Context: Country: World
Official URL: http://hl7.org/fhir/map-source-list-mode Version: 6.0.0-cibuild
active as of 2021-01-04 Computable Name: StructureMapSourceListMode
Flags: CaseSensitive, Complete. All codes ValueSet: Structure Map Source List Mode OID: 2.16.840.1.113883.4.642.4.684

This Code system is used in the following value sets:

If field is a list, how to manage the source.

This case-sensitive code system http://hl7.org/fhir/map-source-list-mode defines the following codes:

first FirstOnly process this rule for the first in the list.btn btn
not_first All but the firstProcess this rule for all but the first.btn btn
last LastOnly process this rule for the last in the list.btn btn
not_last All but the lastProcess this rule for all but the last.btn btn
only_one Enforce only oneOnly process this rule is there is only item.btn btn


See the full registry of code systems defined as part of FHIR.

Explanation of the columns that may appear on this page:

LevelA few code lists that FHIR defines are hierarchical - each code is assigned a level. See Code System for further information.
SourceThe source of the definition of the code (when the value set draws in codes defined elsewhere)
CodeThe code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
DisplayThe display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
DefinitionAn explanation of the meaning of the concept
CommentsAdditional notes about how to use the code