Update QI-Core Organization to align with US Core 5.0.0: Change cardinality of QI-Core Organization.telecom to 0..* and maintain datatype as ContactPoint (relaxes requirement) Add Must Support for QI-Core Organization.telecom.system with cardinality 0..1 with datatype code and Required binding to ContactPointSystem Also Update QI-Core to be consistent with US Core 5.0.0 Organization by adding CLIA, noting that neither CLIA nor EIN are THO approved external identifier systems - see US Core tracker FHIR-36926 , and EIN request UP-288 Slices for identifier ΣI 0..* Identifiernote - should QI-Core require the following: MS identifier: All slices MS system Σ 0..1 uri MS value Σ 0..1 string MS identifier: NPI ΣI 0..1 Identifier MS system 1..1 uri NotMS identifier: CLIA 0..1 Identifier system 1..1 uri. binding Fixed Value: urn:oid:2.16.840.1.113883.4.7 QI-CoreONLY MS identifier:ccn ΣI 0..1 Identifier system 1..1 uri value Σ 1..1 string MS identifier:ein ΣI 0..1 Identifier system 1..1 uri use ?!Σ 1..1 code Required binding to http://hl7.org/fhir/R4/valueset- identifier-use.html value Σ 1..1 string