CDC provides documents to assist with implementing HL7® message mapping guides and CSV implementation guides for sending case notifications to NNDSS.
Supporting Documents for Implementation
Supporting Documents for Implementation 
                
                Print
                
| 1CDP-RREDI CSV Addendum for Case Notification_v1.0 | Outlines the information necessary to make a properly formatted CSV for case notification to CDC. For more information on HL7 related terms or format requirements, see the PHIN Messaging Specification for Case Notification v3.1.1. | 
| FAQs about implementing the “Country of Usual Residence” data element | This document includes guidance for implementing the “Country of Usual Residence” data element in HL7® case notifications. | 
| Methods for Conveying Unknown Values in Case Notification | Guidelines that address the methods for data transmission in HL7® messages when the information is collected in the surveillance system | 
| Generic Data Elements that Define a Unique Case (7/7/2017) | Information for NNDSS reporting jurisdictions about which data elements in the Generic v2.0 MMG cannot change for a case because they are used to define a unique case in the CDC MVPS for HL7® case notifications | 
| Laboratory Template (5/11/2018) | This document includes the data elements for the “Laboratory Repeating Group” in the Message Mapping Guides. | 
| PHIN Messaging Specification for Case Notification v3.1.1 | This document, released for use starting in 2019, outlines the specifications to accommodate sending the Generic and disease-specific MMGs (e.g., hepatitis, sexually transmitted diseases, etc.). Version 3.1.1 updates hyperlinks to align with 2021 NNDSS website updates. | 
Disclaimer
HL7® is a registered trademark of Health Level Seven International and use of this trademark does not constitute an endorsement by HL7.
                
            
		Last Reviewed: April 16, 2021 
		
	
		 An official website of the United States government
			
				An official website of the United States government