Release 5 Preview #2 Code System

Biomedical Research and Regulation Work Group Maturity Level: 1Draft Use Context: Any

This is a code system defined by the FHIR project.


Defining URL:

Indicates why the state of the subject changed.

Committee:Biomedical Research and Regulation Work Group
OID:2.16.840.1.113883.4.642.1.1477 (for OID based terminology systems)
Source ResourceXML / JSON

This Code system is used in the following value sets:

This code system defines the following codes:

adverseEvent adverse eventadverse event.
death death (adverse event)death (adverse event).
notEligible did not meet eligibility criteriadid not meet eligibility criteria.
eligibleButNo eligible but unwilling or unable to participateeligible but unwilling or unable to participate.
enrolled enrolled or registeredenrolled or registered.
exclusion exclusionexclusion.
followUpComplete follow-up completefollow-up complete.
inclusion inclusioninclusion.
informedConsentSigned Informed consent signedInformed consent signed.
intOrObsComplete intervention or observation completeintervention or observation complete.
nonCompliance non-compliancenon-compliance.
preReg pre-registered or slot reservedpre-registered or slot reserved.
refuseConsent refuse consentrefuse consent.
screenFailure screen failurescreen failure.
studyClosed study permanently closed to accrualstudy permanently closed to accrual.
studyTerminated study terminatedstudy terminated.
subjectRefusal subject refusalsubject refusal.
unwillingOrUnable unwilling or unable to participateunwilling or unable to participate.
withdrawnConsent withdrawn consentwithdrawn consent.


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