Verified Standard
v1.0.4-LATEST
patient external identifier
Architectural Definition
The external system reference id for a individual receiving medical care. Used as a unique reference to identify and track the patient across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for patient management and reporting.
Schema Preview
● application/json
{
"entity": "patient-external-identifier",
"domain": "healthcare",
"metadata": {
"displayName": "patient external identifier",
"status": "STANDARDIZED",
"version": "1.0.4",
"isStandardized": true
}
}Standard
ISO-8601
Data Type
String/Obj
Steward
Arch Council
Verified
Feb 2026