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/evidence-variable-event

Clinical Decision Support icon Work Group Maturity Level: 5Trial Use Use Context: Country: World, Not yet ready for Production use
Official URL: http://hl7.org/fhir/evidence-variable-event Version: 6.0.0-cibuild
draft as of 2021-01-04 Computable Name: EvidenceVariableEvent
Flags: Experimental, CaseSensitive, Complete. All codes ValueSet: Evidence Variable Event OID: 2.16.840.1.113883.4.642.4.1955

This Code system is used in the following value sets:

The event used as a base point (reference point) in time.

This case-sensitive code system http://hl7.org/fhir/evidence-variable-event defines the following codes:

study-start Study StartThe time of enrollment for the study participantbtn btn
treatment-start Start of TreatmentThe time of initiation of the treatmentbtn btn
condition-detection Detection of ConditionThe time of first detection of the conditionbtn btn
condition-treatment Treatment of ConditionThe time of first treatment of the conditionbtn btn
hospital-admission Hospital AdmissionThe time of admission to the hospitalbtn btn
hospital-discharge Hospital DischargeThe time of discharge from the hospitalbtn btn
operative-procedure Operative ProcedureThe time of surgerybtn 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