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Verified Standard
v1.0.4-LATEST

member master identifier

Architectural Definition

The enterprise master id for a insurance plan enrollee. Used as a unique reference to identify and track the member across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for member management and reporting.

Schema Preview

● application/json
{
  "entity": "member-master-identifier",
  "domain": "healthcare",
  "metadata": {
    "displayName": "member master identifier",
    "status": "STANDARDIZED",
    "version": "1.0.4",
    "isStandardized": true
  }
}
Standard
ISO-8601
Data Type
String/Obj
Steward
Arch Council
Verified
Feb 2026