NEMSIS Explorer

EMS Data Dictionary & Schematron Rule Reference

Data Dictionary

1 results displayed (maximum 150).

eSituation.18 — Date/Time Last Known Well

The estimated date and time the patient was last known to be well or in their usual state of health. This is described or estimated by the patient, family, and/or bystanders.

EMSDataSet Required

NEMSIS Explorer · National reference metadata · State-specific rule imports and XML validation are planned for later phases.