Class steward is Orders/Observation
A role class that captures the various roles played by the recipient(s) of a service (including people, organizations, things, animals, etc.).
Rationale: Since multiple entities may participate in the reception of services as particular targets of a service, a role class is needed to capture the multiple roles these participants play in receiving a service from a provider of a service.
The effective date and time of the target participation.
Rationale: Manage target participatiions.
The elapsed time during which the target participation is in effect.
Rationale: Manage target participations.
The termination date and time for the target participation.
Rationale: Manage target participations.
The nature of purpose of the target's participation. Examples: subject, beneficiary, receiver, user, specifier.
Rationale: Manage target participations.
Rationale: replaces associations: Patient_service_location receives Treatment_service_dispense - Patient_service_location receives_medication_dispense_recorded_on Treatment_service_give - Patient_service_location receives_medication_delivery_specified_on Treatment_intent_or_order_revision.
Rationale: Replaces associations: Patient may_be_the_subject_of order - Patient is_subject_of Clinical_observation - Patient has Goal.
Rationale: Replaces association Collected_specimen_sample is_used_during Service_event.