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NASEMSO Projects

Military to Civilian EMS Transition

EMS Workforce Planning & Development Guidelines


NASEMSO 2018 Annual Meeting

May 21-24, 2018
Providence, RI


The Washington Update

Apr. 2018
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State EMS Job Board

Learn about State EMS job opportunities or request that your job listing be posted


Calendar of EMS Industry Events


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NASEMSO Internet Policies



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Data Managers Council Projects

2013 State Data Manager Environmental Scan

Extended Definitions Document, NEMSIS 2.2

A definitive call for the standardization of EMS data has existed since the 1970s. A number of key publications and projects, completed in the early to mid 1990s, culminated with the call for, and funding, of the National Emergency Medical Services Information System (NEMSIS). The two overarching purposes of the NEMSIS project included the standardization of EMS data collection among all EMS agencies operating in the United States and aggregating these standardized data into a National EMS Registry to characterize and improve the patient care offered by EMS systems. To accomplish this task, the National Highway Traffic Safety Administration (NHTSA) partnered with the National Association of State EMS Officials (NASEMSO) to bring together a myriad of veterans in the field of EMS to define the second version of the NHTSA Uniform EMS Data Set (NEMSIS 2.2.1). From the outset, it was determined that it was a more important preliminary step to define the dataset than to reach consensus on definitions associated with field values in the dataset.

This document represents an effort to begin the process of defining field values contained in the NEMSIS 2.2.1 dataset. The NASEMSO Data Managers Council took on the challenge of defining field values through a consensus process, convening several face-to-face discussions and conference calls. The hope of the Council is that this document will continue to promote the development, standardization, and improvement of state and national EMS data systems.

Click here to review the document.

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