Chlamydia Encounters - Washington State Department of Health

  • Objective: To monitor clinical encounters for chlamydia 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


Surveillance System: 
Syndrome Definition: 

 A74.9 OR A749 OR A55 OR A56.11 OR A5611 OR chlam

Attached Syntax Platform: 
Submitting Author Organization: 
Washington State Department of Health
Submitting Author Email:
Syndrome Category: 

September 26, 2018

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National Syndromic
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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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