Version 3 Data Dictionaries & XSD
The NEMSIS/NHTSA Version 3 Dataset provide 596 data elements that can be implemented by an EMS system. National data elements are defined as those that should be collected for the National EMS Database, but additional data elements should be considered for use at the state and local levels depending on each state or local EMS system’s need.
NEMSIS Version 3.5.0.191130CP1
Data Dictionary (v3.5.0):
Dataset Schemas (v3.5.0):
v3 DEM/EMS/State XSDs (zip)
v3 EMS (PCR/Event) API (web)
v3 DEM API (web)
v3 State API (web)
Additional Documents (v3.5.0):
v3 Element Details (csv)
NEMSIS Version 3.4.0.200910CP2
Dataset Schemas (v3.4.0):
v3 DEM/EMS/State XSDs (zip)
Additional Documents (v3.4.0):
v3 Element Details (csv)
NEMSIS Version 3 Archive
Previous versions of the NEMSIS Version 3 standard can be found on the NEMSIS Version 3 Downloads “Archive” page
