Collage depicting the flow of EMS data thru the NEMSIS system. National Reports
The NEMSIS Technical Assistance Center (TAC)... Offering technical assistance on the implementation and tracking of National EMS Data.
Latest News

NHTSA / NEMSIS Version 3.4.0 CR 1 (Candidate Release for Review)

The NEMSIS Technical Assistance Center is pleased to announce the NEMSIS Version 3.4.0 candidate release is available for review.

The review period is open through January 31, 2015.

There are multiple resources available in the v3.4.0 CR1 zip file, including XSDs and Data Dictionaries (Web Version and PDF) for the Full EMS and DEM (Agency information) DataSets plus those for CAD and Medical Device. Please access the updated documents here.

Also avaiable for review is the v3.4.0 candidate national Schematron file in a ZIP archive file. This file contains:

dist: National Schematron files (plus ".xml" versions for documentation viewing)
documentation: Schematron Guide, Change Log
utilities/html: HTML documentation interface files

Please access the candidate national Schematron files here.

We look forward to your review! Comments should be submitted via the NEMSIS TAC Version 3 jforum. Log in and post your Review for Accuracy comments in "v3.4.0 CR 1 Review" section. jforum link. Comments can be submitted through January 31, 2015.

We would like to thank the many dedicated EMS stakeholders that have spent significant time, providing their expertise and recommended revisisions to the NEMSIS Version 3 Standard. Through your efforts the NEMSIS standard is a success nationally!

V3.4.0 CR1 Release

September 4, 2014
- Best Practices Spotlight

The NEMSIS TAC has created a Best Practices Spotlight. This newsletter highlights EMS agencies that are effectively integrating NEMSIS data to serve local and state public health and safety needs. In the first issue, we spotlight The Commonwealth of Massachusetts and their successful implementation of The MATRIS System. Read the Best Practices Spotlight.


NHTSA EMS Publication: May 2014 -

NHTSA and their Office of EMS published the May 2014 issue of "SAFETY 1N NUM3ERS" which highlights why EMS Data IS Important. This issue provides statistics based on EMS data and How EMS Data Saves Lives.

Arrow2Download the PDF: SAFETY 1N NUM3ERS!!

Highlights of this publication include:

1. Age of Individuals involved in MVCs, Treated and Transported by EMS in 2012.
2. Incidence Rates for 911 Responses for Bicycle Crashes in 2012 for some states.
3. EMS System the Numbers!

Arrow2 What Can be Done...and by whom!

NEMSIS v3.3.4 Build 140328 Released
- this is the Annual Minor Revision Release -

The Version 3.3.4 dataset has been released and replaced with Build 140328. This revision to the NEMSIS Version 3 standard is in accordance with the NEMSIS TAC Revision Policy. Please reference the v3.3.4 Build 140328 Change Log for specifics.

To maintain backwards compatibility and allow for EMS product development this was a Minor Revision to the v3 Standard. Changes focused on:

1. Element Value Additions or Changes
2. Element Definition Updates
3. Element Comment Additions, Updates, or Removals

The NEMSIS TAC has established a policy for further releases to the Version 3 dataset. Please access the policy here.


The next comment period with revision requests is now open. Enter your recommended revision to the v3 standard on the NEMSIS V3 Forum.

A NEMSIS Account is required to make revision requests, comment on other requests, and view the forum.
If you don't have an account, request one from Jorge.

Requests and recommendations for changes to the v3 Standard may also be submitted to NEMSIS staff by July 31st of each year. Changes to the dataset will be made only after careful consideration and EMS Stakeholder involvement.


Previous versions of the NEMSIS v3 Standard can be found on the NEMSIS Version 3 Archive page.

NEMSIS Version 3 Shortcuts:

For a summary of the v3 dataset information click Overview.

Additional components are available under Downloads in the Version 3 tab.

Suggested Lists can be found on the Resources page

NEMSIS Website Update

Support Page Updated: New pages have been developed to separate State information and plans related to Version 2 and Version 3.

Version 2: (link)
State & Territory Information
Submission Schedule

Version 3: (link)
State & Territory Information
National Library


The NEMSIS reports are located under the Reporting Tools tab.
Reports > National Reports:

NEMSIS National Cube (Create a Report)
NEMSIS Static Reports (Access Reports)


Software Vendor News

January 14, 2015 Webinar:

1) v3.4.0 CR1 - National Schematron / Validation Rule Change Overview
Joshua Legler
2) EMS Performance Measures Initiative
Nick Nudell & Dave Williams

Use Firefox or Google Chrome to view the Webinar Recording

This webinar provides an opportunity to learn more about the National EMS Performance Measures Initiative.


Click here to view the 2014 NEMSIS Annual "Progression of the V3 Data Standard" Meeting Presentations.

Click here to view the 2013 NEMSIS Annual "Progression of the V3 Standard" Meeting Presentations.

These and other presentations can be found on the Reference Materials page under Presentations.


NEMSIS V3 Implementation Conference Calls


The NEMSIS TAC will hold NEMSIS Version 3 Software Developer's Implementation Conference Calls on the 2nd and 4th Wednesday of every month from 11:00 to 12:30 Eastern Time (9:00-10:30 Mountain Time). Notifications of the agenda, phone line, and webinar link are sent out prior to the call.

Information for the conference call is posted on the NEMSIS TAC Google Group the Friday before the call.

To receive notification please become a member of the NEMSIS Google Group or List Serve available here.

If you have any questions, please contact Karen Jacobson at

NEMSIS Suggested Presentation!

Introduction to NEMSIS and its Potential Use in Syndromic Surveillance

This webinar will give an overview of the EMS systems and the National Emergency Medical Services Information System (NEMSIS) and discuss how NEMSIS can be used in syndromic surveillance.


NEMSIS User Group
Program Sponsors: