Comment:

[StructureDefinition-Observation-laboratory-uv-ips]

Especially when modelling laboratoy tests it is often nesessarry / interesting to have a link to the order (ServiceRequest) of the tests, as one lab test might be executed as part of a different test panel. Even if present, this information can't be expressed in the current profile. Allow implementers to convey this information if they need to. Propose to remove 0..0 constraint on Observation.basedOn

Summary:

Remove 0..0 constraint on Observation.basedOn