CA Core 1.0.1 Release Notes

AllergyIntolerance • clinicalStatus • Added multiple code systems and value set bindings. • Removed 1.. constraint from clinicalStatus.coding. • verificationStatus • Removed 1..* constraint. • reaction.manifestation.coding • Removed Must Support (MS). • onset[x], onsetDateTime • Added Must Support (MS).

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Condition • code.coding • Removed Must Support (MS).

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Encounter • type, type.coding, type.coding.code • Relaxed cardinality to 0..*; removed MS. • period.end • Added Must Support (MS). • partOf • Relaxed to allow referencing any Encounter, not just Core ones.

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ExampleScenario • Added ExampleScenario resource to illustrate patient scenarios.

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FamilyMemberHistory • condition.onset • Allowed all base FHIR datatypes.

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Immunization • vaccineCode.coding • Removed 1..1 and MS constraints.

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Medication • extension.strength • Added new extension.

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MedicationRequest • statusReason, authoredOn • Removed Must Support (MS). • extension.RenderedDosageInstruction • Added new extension. • Deleted extra whitespace in profile file.

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MedicationStatement • medicationCodeableConcept.coding.display • Changed cardinality from 1..1 to 0..1.

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Patient • Identifier slices (JHN, MRN) • Improved rendering of type, system, and value. • deceased[x] • Removed Must Support (MS). • name.use • Relaxed to 0..1. • communication.language • Changed binding from CommonLanguages (preferred) to iso639-3 (preferred). • extension.communicationBarrier • Removed Must Support (MS) to align with CA:eReC July 2025 block vote (issue #156).

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PractitionerRole • Invariant • Added invariant requiring at least one of: practitioner, organization, or code. • telecom.value • Set to 1..1 with MS. • Later removed MS (temporarily, per issue notes).

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Procedure • code.coding • Removed constraint.

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ServiceRequest • reasonCode • Removed constraints except for HealthConditionCode. • performer • Relaxed cardinality to 0..*. • doNotPerform • Set cardinality to 0..0.

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General / Cross-Cutting • Data Absent Reason Extensions • Removed explicit extensions as per Working Group guidance. • CodeableConcept.text • Added Must Support (MS); flagged for future obligation guidance. • Versioning • Added version numbers to all resources via ruleset for validation and Simplifier. • Aliases • Updated to support new value sets. • Miscellaneous • Applied updates from CA Core+ Simplifier Issue Log: • Issues: #6, #12, #16, #24, #44, #61, #108, #109, #112, #129, #136, #149, #150, #156 • Aligned several changes with PSCA gap sheet.