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Utah Department of Health and Human Services :: Immunization Program

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USIIS – EHR Vendors

Developing an Electronic Data Interface to USIIS

The Utah Department of Health (UDOH) Utah Statewide Immunization Information System (USIIS) is a software application that enables healthcare providers to enter and submit immunization records for persons in Utah.

EHR Vendor Interface Status

The Utah Immunization Information System (USIIS) Program is interested in working with Utah providers and EHR vendors to implement electronic immunization data submissions via HL7 interfaces.

File Specifications

The below USIIS HL7 Implementation Guides for immunization messaging describes the content and HL7 message mapping utilized to communicate information to USIIS.

The below CSV flat file format describes  the content and data fields utilized  to communicate information to USIS.

Data can be downloaded into USIIS via an SFTP connection or through the USIIS File Transfer web application.

For more information on sending data to USIIS using the CSV flat file format, please email

COVID-19 Vaccine Required Data Elements

CDC requires that vaccination providers enrolled in the COVID-19 Vaccination Program report certain data elements for each dose administered within 24 hours of administration.

The below document summarizes requirements for both VXU messages and COVID-19 required data elements.