Skip directly to site content Skip directly to search
An official website of the United States government
Here's how you know
Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Event Codes & Other Surveillance Resources

Event Codes & Other Surveillance Resources

Event codes1, policies, updates, and supporting documents for case notifications.

Non-expiring

2024 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2024 National Notifiable Diseases Surveillance System Event Code List (Release 2, posted on March 25, 2024) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2024 Event Code List
2024 National Notifiable Diseases Surveillance System Event Code List (Release 1, posted on January 2, 2024) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2024 Event Code List

2023 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2023 National Notifiable Diseases Surveillance System Event Code List (Release 4, posted on July 7, 2023) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2023 Event Code List
2023 National Notifiable Diseases Surveillance System Event Code List (Release 3, posted on May 24, 2023) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2023 Event Code List
2023 National Notifiable Diseases Surveillance System Event Code List (Release 2, posted on April 28, 2023) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2023 Event Code List
2023 National Notifiable Diseases Surveillance System Event Code List (Release 1, posted on March 24, 2023)) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2023 Event Code List

2022 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2022 National Notifiable Diseases Surveillance System Event Code List (Release 2, posted on December 8, 2022) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2022 Event Code List
2022 National Notifiable Diseases Surveillance System Event Code List (Release 1, posted on January 28, 2022) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2022 Event Code List

2021 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2021 National Notifiable Diseases Surveillance System Event Code List (Release 2, posted on January 28, 2022) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2021 Event Code List
2021 National Notifiable Diseases Surveillance System Event Code List (Release 1: January 13, 2021) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2021 Event Code List

2020 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2020 National Notifiable Diseases Surveillance System Event Code List (Release 4: January 13, 2021) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2020 Event Code List
2020 National Notifiable Diseases Surveillance System Event Code List (Release 3: May 31, 2020) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2020 Event Code List
2020 National Notifiable Diseases Surveillance System Event Code List (Release 2: May 4, 2020) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2020 Event Code List
2020 National Notifiable Diseases Surveillance System Event Code List (Release 1: December 10, 2019) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2020 Event Code List

2019 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2019 National Notifiable Diseases Surveillance System Event Code List (Release 4: October 31, 2019) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2019 Event Code List
2019 National Notifiable Diseases Surveillance System Event Code List (Release 3; 05/30/2019) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2019 Event Code List
2019 National Notifiable Diseases Surveillance System Event Code List (Release 2; 02/20/2019) Note: The 2019 Event Code List was updated to include changes for Listeriosis in the print criteria, the note, and the Preferred Mechanism for sending case notifications to the NNDSS. No changes to event codes were made in this release. PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2019 Event Code List
2019 National Notifiable Diseases Surveillance System Event Code List (Release 1; 12/10/2019) PHIN VADS Value Set Link to the National Notifiable Diseases Surveillance System (NNDSS) 2019 Event Code List
  • Conditions that Only Use the Generic v2.0 Message Mapping Guide
2019 Conditions to Use Generic v2.0 Only List (Release 3; 05/30/2019) PHIN VADS Value Set Link to the 2019 Conditions to Use Generic v2.0 Only List
2019 Conditions to Use Generic v2.0 Only List (Release 2; 02/20/2019) PHIN VADS Value Set Link to the 2019 Conditions to Use Generic v2.0 Only List
2019 Conditions to Use Generic v2.0 Only List (Release 1; December 2018) PHIN VADS Value Set Link to the 2019 Conditions to Use Generic v2.0 Only List

2018 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2018 National Notifiable Diseases Surveillance System Event Code List (Release 1; 12/15/2017) PHIN VADS Value Set Link to the National Notifiable Disease Surveillance System (NNDSS) 2018 Event Code List
  • Conditions that Only Use the Generic v2.0 Message Mapping Guide
2018 Conditions to Use Generic v2.0 Only List (Release 1, December 2017) PHIN VADS Value Set Link to the 2018 Conditions to Use Generic v2.0 Only List

2017 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2017 National Notifiable Diseases Surveillance System Event Code List (Release 3; 12/15/2017) Note: the 2017 NNDSS Event Code List was updated to add additional conditions in support of Arboviral notifications. PHIN VADS Value Set Link to the National Notifiable Disease Surveillance System (NNDSS) 2017 Event Code List
  • Conditions that Only Use the Generic v2.0 Message Mapping Guide
2017 Conditions to Use Generic v2.0 Only List (Release 2, March 2017) PHIN VADS Value Set Link to the 2017 Conditions to Use Generic v2.0 Only List

2016 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2016 National Notifiable Diseases Surveillance System Event Code List (Release 5; 12/13/2016) PHIN VADS Value Set Link to the National Notifiable Disease Surveillance System (NNDSS) 2016 Event Code List
  • Conditions that Only Use the Generic v2.0 Message Mapping Guide
2016 Conditions to Use Generic v2.0 Only List (Release 3, August 2016) PHIN VADS Value Set Link to the 2016 Conditions to Use Generic v2.0 Only List

2015 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2015 National Notifiable Diseases Surveillance System Event Code List (Release 7; 03/31/2016) PHIN VADS Value Set Link to the National Notifiable Disease Surveillance System (NNDSS) 2015 Event Code List
  • Conditions that Only Use the Generic v2.0 Message Mapping Guide
2015 Conditions to Use Generic v2.0 Only List (Release 4, August 2016) PHIN VADS Value Set Link to the 2015 Conditions to Use Generic v2.0 Only List

2014 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2014 National Notifiable Diseases Surveillance System Event Code List

2013 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2013 National Notifiable Diseases Surveillance System Event Code List (Revised)
2013 National Notifiable Diseases Surveillance System Event Code List

2012 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2012 National Notifiable Diseases Surveillance System Event Code List

2011 Resources

  • Event Codes and Associated PHIN VADS Value Sets
2011 National Notifiable Diseases Surveillance System Event Code List

2010 Resources

2009 Resources

2008 Resources

2007 Resources

Other Historical Resources

1 For NNDSS event code lists (2004-2010), please view the MMWR: Summary of Notifiable Diseases.

Disclaimer

HL7® is a registered trademark of Health Level Seven International and use of this trademark does not constitute an endorsement by HL7.
Back to Top
Print
Content Source:
Office of Public Health Data, Surveillance, and Technology

National Notifiable Diseases Surveillance System (NNDSS)

NNDSS receives and shares case data from state, local, and territorial health departments to help public health monitor, control, and prevent serious diseases.

View All
Sign up for Email Updates