This page is part of the HL7 Europe Laboratory Report (v0.1.0: STU 1) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions
Both items refer to preadopted R5 elements: the link points to an non-exiting element in R4 FHIR specifications.
Future version of the FHIR IG Publisher tool should fix this issue.
The Laboratory Certified Reference Material value set includes concepts that are derived from systems not having canonical urls assigned and/or confirmed by HL7 yet.
Adopters should use these urls being aware that they may change.