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4.3.2.80 CodeSystem http://hl7.org/fhir/conditional-read-status

Responsible Owner: FHIR Infrastructure icon Work Group Normative Use Context : Country: World
Official URL : http://hl7.org/fhir/conditional-read-status Version : 6.0.0-ballot3
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 FHIR core-defined or referenced value sets:

4.3.2.80.1 Definition

A code that indicates how the server supports conditional read.

4.3.2.80.2 Content

Generated Narrative: CodeSystem conditional-read-status

Last updated: 2025-12-17T09:50:17.012Z

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

Code Display Definition Copy
not-supported Not Supported No support for conditional reads. btn   btn
modified-since If-Modified-Since Conditional reads are supported, but only with the If-Modified-Since HTTP Header. btn   btn
not-match If-None-Match Conditional reads are supported, but only with the If-None-Match HTTP Header. btn   btn
full-support Full Support Conditional 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:

Level A few code lists that FHIR defines are hierarchical - each code is assigned a level. See Code System for further information.
Source The source of the definition of the code (when the value set draws in codes defined elsewhere)
Code The code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
Display The 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
Definition An explanation of the meaning of the concept
Comments Additional notes about how to use the code