R4 Draft for Comment

This page is part of the FHIR Specification (v3.2.0: R4 Ballot 1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4 R3

4.2.12.579 Code System http://hl7.org/fhir/ex-onsettype

Vocabulary Work Group Maturity Level: 0Informative Use Context: Not Intended for Production use

This is a code system defined by the FHIR project.

Summary

Defining URL:http://hl7.org/fhir/ex-onsettype
Name:Example Onset Type (Reason) Codes
Definition:

This value set includes example Onset Type codes which are used to identify the event for which the onset, starting date, is required.

Committee:??
OID:2.16.840.1.113883.4.642.1.579 (for OID based terminology systems)
Copyright:This is an example set.
Source ResourceXML / JSON

This Code system is used in the following value sets:

4.2.12.579.1 Content

4.2.12.579.2 Example Onset Type (Reason) Codes

This value set includes example Onset Type codes which are used to identify the event for which the onset, starting date, is required.

Copyright Statement: This is an example set.

This code system http://hl7.org/fhir/ex-onsettype defines the following codes:

CodeDisplayDefinition
lxm Last ExamDate of last examination.
sym Start of SymptomsDate when symptoms were first noticed.
lmn Last MenstruationStart date of last menstruation.

 

See the full registry of value sets defined as part of FHIR.

Explanation of the columns that may appear on this page:

LvlA 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