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Verified Standard
v1.0.4-LATEST

observation master identifier

Architectural Definition

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

Schema Preview

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