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- the "excludePostCoordinated" parameter of $expand be changed to "includePostCooridinatedincludePostCoordinated" and default to a value of false, and
- any SNOMED CT ValueSet $expand result of SUBSETTED guarantees to include at least all pre-coordinated SNOMED CT content for the version expanded against, and
- libraries of well known post-coordinated codes for code systems (e.g. UCUM and MIME) be defined, centralised and version managed, and included when "includePostCoordinated" is false for these well known cases
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