Event codes1, policies, updates, and supporting documents for case notifications.
Event Codes & Other Surveillance Resources
Non-expiring
- Revised Guidelines for Determining Residency
- CSTE Case Notification Request (CNR) Statement
- CSTE Position Statement: Policy and Procedure for Timeliness of Case Notifications
- Provisional National Notifiable Diseases Surveillance Data
- Guidance for using SAMS to load NETSS files
- Description of the computation of the 5-year weekly average displayed in MMWR Table 1
- Reporting Exceptions for National Notifiable Diseases (NND)
National notifiable diseases which are not reportable by law or regulation in reporting jurisdictions for the specified year are considered reporting exceptions. - MMWR Weeks Fact Sheet
- Current and Past Notifiable Conditions
2021 Resources
- Event Codes and Associated PHIN VADS Value Sets
- MMWR Weeks Calendar
- Notification Requirements
- Letters to State and Territorial Epidemiologists about NNDSS Updates
2020 Resources
- Event Codes and Associated PHIN VADS Value Sets
- MMWR Weeks Calendar
- Notification Requirements
- Letters to State and Territorial Epidemiologists about NNDSS Updates
2019 Resources
- Event Codes and Associated PHIN VADS Value Sets
- Conditions that Only Use the Generic v2.0 Message Mapping Guide
- MMWR Weeks Calendar
- Notification Requirements
- Letters to State and Territorial Epidemiologists about NNDSS Updates
2018 Resources
- Event Codes and Associated PHIN VADS Value Sets
- Conditions that Only Use the Generic v2.0 Message Mapping Guide
- MMWR Weeks Calendar
- Notification Requirements
- Letters to State and Territorial Epidemiologists about NNDSS Updates
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
- MMWR Weeks Calendar
- Notification Requirements
- Letters to State and Territorial Epidemiologists about NNDSS Updates
2016 Resources
- Event Codes and Associated PHIN VADS Value Sets
- Conditions that Only Use the Generic v2.0 Message Mapping Guide
- MMWR Weeks Calendar
- Notification Requirements
- Letters to State and Territorial Epidemiologists about NNDSS Updates
2015 Resources
- Event Codes and Associated PHIN VADS Value Sets
- Conditions that Only Use the Generic v2.0 Message Mapping Guide
- MMWR Weeks Calendar
- Notification Requirements
- Letters to State and Territorial Epidemiologists about NNDSS Updates
2014 Resources
- Event Codes and Associated PHIN VADS Value Sets
- MMWR Weeks Calendar
- Notification Requirements
- Letters to State and Territorial Epidemiologists about NNDSS Updates
2013 Resources
- Event Codes and Associated PHIN VADS Value Sets
2012 Resources
- Event Codes and Associated PHIN VADS Value Sets
2011 Resources
- Event Codes and Associated PHIN VADS Value Sets