mdatool.

Loading usage...

Settings
Verified Standard
v1.0.4-LATEST

visit onset date

Architectural Definition

The symptom start date for a patient care appointment. Used to track temporal information related to visit onset date. This field is commonly used in electronic health records (EHR), healthcare information systems (HIS), and clinical data warehouses for visit management and reporting.

Schema Preview

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