icd external identifier

Architectural Definition

The external system reference id for a international classification of diseases code. Used as a unique reference to identify and track the icd across healthcare systems. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for icd management and reporting.

Schema Preview

● application/json

{
  "entity": "icd-external-identifier",
  "domain": "healthcare",
  "metadata": {
    "displayName": "icd external identifier",
    "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