| Field Name | Field Description | 
|---|---|
| PATIENT_ID | The unique primary identifier of the patient table | 
| PPN | The unique identifier for the patient provided by the Centre for Health Record Linkage (CHeReL) | 
| PPNDUPFLAG | Indicates if this patient is a duplicate (PPN assigned to more than one patient_ID) | 
| CHERELLINKERROR | Indicates if this PPN is either suspected or confirmed to be linked to the wrong patient_id. Coded 0 if there is no linkage error, 1 if PPN is linked to the incorrect patient_id, and 2 if the patient_id was not linked to a PPN at all. | 
| NUM_LINKAGE_PENDING | The number of encounters for that patient that have no associated APDC record but will be expected to be received in the next APDC linkage update | 
| NUM_UNLINKED_ENCNTR | Total number of encounters for that patient where there is no associated APDC record | 
								                                ‹ Back