order key

Architectural Definition

The lookup reference value for a clinical service request. Used in healthcare data management and clinical workflows. 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-key",
  "domain": "healthcare",
  "metadata": {
    "displayName": "order key",
    "status": "STANDARDIZED",
    "version": "1.0.4",
    "isStandardized": true
  }
}

Standard

ISO-8601

Data Type

String/Obj

Steward

Arch Council

Verified

Feb 2026

mdatool.

Architectural Definition

Schema Preview