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This document, released February 18, 2019, focuses on several key areas related to syndrome definition creation, including the basics behind a syndrome definition, steps to build a syndrome, evaluation of a new (or old) definition, and dissemination.

Starting in November of 2016, the ISDS... Read more

Content type: References

ESSENCE receives and analyzes data for the Military Health System’s (MHS) 9 million beneficiaries resulting in approximately 90,000 daily outpatient and emergency department visits worldwide. In May 2008, MHS released ESSENCE Version 2.0, a system-wide upgrade which includes the following... Read more

Content type: Abstract

Standard syndrome definitions for ED visits in ESSENCE rely on chief complaints. Visits with more words in the chief complaint field are more likely to match syndrome definitions. While using ESSENCE, we observed geographic differences in chief complaint length, apparently related to differences... Read more

Content type: Abstract

The attached query was developed to track medication refill encounters in emergency departments in ESSENCE during evacuations or extended mass gathering events. The query was initially developed for use with the chief complaint, triage note, and discharge diagnosis code (ICD-10 CM). 

 ... Read more

Content type: Syndrome
Objective: To monitor clinical encounters for gonorrhea infection and disease Syndromic surveillance system: ESSENCE Data Sources: Emergency department visits, primary and urgent care visits  Fields used to query the data: Chief Complaint History, Discharge Diagnosis
Content type: Syndrome

In winter, people are at risk for cold-related illness (CRI) such as hypothermia. Deaths coded as weather-related from 2006 through 2010 showed exposure to excessive cold as the leading cause of weather-related deaths in the United States.1 Therefore, the National Syndromic Surveillance Program... Read more

Content type: Syndrome

This is a preliminary Chronic Pain-Related Syndrome, created to search relevant ICD10 and a few key terms in emergency department visits in ESSENCE. The codes and terms are specific to non-cancer related chronic pain with exclusions of cases receiving cancer-related ICD10.

ICD10 codes... Read more

Content type: Syndrome
Why the syndrome was created? Track food poisoning and potential disease outbreaks due to infected food  Syndromic surveillance system (e.g., ESSENCE, R STUDIO, RODS, etc.) ESSENCE  Data sources the syndrome was used on (e.g., Emergency room, EMS, Air Quality, etc.) Patient Location Full Details... Read more
Content type: Syndrome
Why the syndrome was created? This syndrome was created to monitor tick related emergency room visits using regular expressions in R.  Syndromic surveillance system (e.g., ESSENCE, R STUDIO, RODS, etc.) Data collected from Epicenter, but parsed and analysed in R/Rstudio Data sources the syndrome... Read more
Content type: Syndrome

This query was created as a collaboration between the ISDS Syndrome Definition Committee (SDC) members with input from the CDC, Division of Violence Prevention. The query includes keywords and discharge diagnosis codes (ICD 10, ICD 9, and SNOMED) for self-harm, suicide ideation and suicide... Read more

Content type: Syndrome

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National Syndromic
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Email:nssp@cdc.gov

The National Syndromic Surveillance Program (NSSP) is a collaboration among states and public health jurisdictions that contribute data to the BioSense Platform, public health practitioners who use local syndromic surveillance systems, Center for Disease Control and Prevention programs, other federal agencies, partner organizations, hospitals, healthcare professionals, and academic institutions.

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