Existing Wording
In terms of scope and usage, the Patient Care workgroup wishes to draw the attention of reviewers and implementers to the following issues:

Comments
While these questions are interesting and worth discussion within the PCWG, they seem out of place within a spec (whether FHIR or CDA or any other). The spec is not the optimal place to debate clinical semantic issues, since there is nothing that an implementer (the target audience) can do with this. It would be best omitted for now: as issues are resolved they may later produce constraints or guidance suitable for inclusion.

Grahame's Comments
these things are removed after ballot