USLAB Diagnostic Order Event Codes

US Realm ambulatory care event codes that correspond the Use cases outlined in the USLabOrder Implementation Guide.

This value set has an inline code system http://hl7.org/fhir/uslab-event, which defines the following codes:

Code	Display	Definition
new-request	new request	a Provider (.orderer) orders one or more new laboratory tests or scheduled laboratory tests (including future tests) to be performed by a laboratory.
add-on-request	add-on request	a Provider (.orderer) adds one or more additional tests to a previously transmitted test requisition.
orderer-cancel	orderer cancel	The Provider (orderer) requests cancelation of previously ordered test.
lab-cancel	laboratory cancel	The laboratory cancels a previously ordered test.