http://hl7.org/fhir/StructureDefinition/specimen-reject-reason|5.2.0

References a resource or provides a code or text that specifies a substance that is added to a laboratory specimen (part of the container device or added to the specimen indenpendently).
NameFlagsCardTypeDescription & Constraints
Extension
0..*Specifies a substance that is added to a laboratory specimen
 
extension
?..0
 
url
?..?
 
value[x] *
1..? SpecimenRejectReason (extensible)
 
 
valueCodeableConcept *
1..?CodeableConcept SpecimenRejectReason (extensible)