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/conditional-read-status

FHIR Infrastructure icon Work Group Maturity Level: NNormative (from v4.0.0) Use Context: Country: World
Official URL: http://hl7.org/fhir/conditional-read-status Version: 6.0.0-cibuild
active as of 2021-01-04 Computable Name: ConditionalReadStatus
Flags: CaseSensitive, Complete. All codes ValueSet: Conditional Read Status OID: 2.16.840.1.113883.4.642.4.201

This Code system is used in the following value sets:

A code that indicates how the server supports conditional read.

This case-sensitive code system http://hl7.org/fhir/conditional-read-status defines the following codes:

not-supported Not SupportedNo support for conditional reads.btn btn
modified-since If-Modified-SinceConditional reads are supported, but only with the If-Modified-Since HTTP Header.btn btn
not-match If-None-MatchConditional reads are supported, but only with the If-None-Match HTTP Header.btn btn
full-support Full SupportConditional reads are supported, with both If-Modified-Since and If-None-Match HTTP Headers.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