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Verified Standard
v1.0.4-LATEST

order master identifier

Architectural Definition

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

Schema Preview

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