Table 2:

Reference class attributes used in most SHARPn CEMs

Attribute	Definition
attribRecordedTime	The time this CEM instance was stored in the CEM instance database.
clinicalEncounterId	External (business) identifier(s) for the clinical encounter associated with this CEM instance.
externalId	External (business) identifier(s) for this CEM instance.
instanceId	Internal identifier for this CEM instance.
normalized	A structure containing information related to the process of normalizing input data into this CEM instance.
patientExternalId	External (business) identifier(s) for the patient associated with this CEM instance.
patientGloballyUniqueId	An identifier for this CEM instance that is not duplicated in any internal or external system.
sourceDataInfo	A structure containing information about the original data before normalization into this CEM instance.
sourceSystemId	An identifier for the system that originated the original data normalized to this CEM instance.
status	The status of this CEM instance.

Abbreviations: SHARPn, Strategic Health IT Advanced Research Project area four; CEM, Clinical Element Model.