Comparison of Interoperable Digital Identity and Patient Matching with US-Core
The following Profiles do not derive from US Core, and should be reviewed with the US Realm Committee:
| US Realm | Current Build | Difference | Union | Intersection | Notes |
| ValueSets | |||||
| IdentifierType | Identity Identifier Value Set | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 9 Notes |
| Language codes with language and optionally a region modifier | Common Languages | Comparison | Union | Intersection | 63 Breaking Changes, 1 Change, 8 Notes |
| StructureDefinitions | |||||
| US Core Patient Profile | IDI Patient L0 | Comparison | Union | Intersection | 2 Breaking Changes, 8 Changes, 48 Notes |
| US Core Patient Profile | IDI Patient L1 | Comparison | Union | Intersection | 2 Breaking Changes, 8 Changes, 48 Notes |
| US Core Patient Profile | IDI Patient | Comparison | Union | Intersection | 2 Breaking Changes, 8 Changes, 48 Notes |