Extensions for Using Data Elements from FHIR STU3 in FHIR R4B
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Extensions for Using Data Elements from FHIR STU3 in FHIR R4B - Downloaded Version null See the Directory of published versions

CodeSystem: Example Onset Type (Reason) Codes (Experimental)

Official URL: http://hl7.org/fhir/ex-onsettype Version: 3.0.2
Standards status: Informative Maturity Level: 0 Computable Name: Example Onset Type (Reason) Codes

Copyright/Legal: This is an example set.

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

This Code system is referenced in the content logical definition of the following value sets:

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

CodeDisplayDefinition
lxm Last Exam Date of last examination.
sym Start of Symptoms Date when symptoms were first noticed..
lmn Last Menstruation Start date of last menstruation.