EMS Data Resources & Documents

NASEMSO Guidance

• Blood Product Administration Documentation–Best Practice Guidance. (January 2025) The purpose of this guidance document is to provide states with a standardized method for documenting blood product usage, which will facilitate improved data analysis.
  

NEMSIS

• NEMSIS Data Dictionaries
  The NEMSIS data dictionary was developed through a collaborative effort with the EMS industry including: web-based reviews, public comment periods, focus groups, industry dialogue, topic focused projects, and consensus.
  • v3.4.0 Build 200910 (September 2020)
    
  • v3.5.0 Build 230317 Critical Patch 4 (March 2023)
  • v3.5.1 Build 250115 (January 2025)
    
• Extended Data Definitions, NEMSIS Version 3.5.0. (May 2024) Represents the continued effort of defining field values which started with NEMSIS v2.2.1 and supports the development, standardization, and improvement of state, territory and national EMS data systems.
• EMS Encounter Time Interval Definitions. (June 2024)