http://hl7.org/fhir/StructureDefinition/openEHR-exposureDate|4.0.1

Record of the date and/or time of the first exposure to the Substance for this Reaction Event.
NameFlagsCardTypeDescription & Constraints
Extension
0..1Date(/time) of first exposure to Substance
 
extension
?..0
 
url
?..?
 
value[x] *
1..?
 
 
valueDateTime *
1..?dateTime