This is a unique identifier that uniquely identifies mobile health application instance as installed on a mobile device. Related data elements would included Application name, App Builder, version, build number, hosting device, unique identifiers [similar to a Vehicle Identification Number (VIN) used to track and identify individual vehicle]. Unique Mobile Health Application Identifier enables identification of application instance to provide precision therapy and facilitate recall, maintenance, transparency and traceability. Representative use cases supported by UMHAI: - Consumer use of Mobile Health Apps for Health and Fitness Tracking - Prescription of Mobile Health Apps for Care Management - Digital Therapeutics - Patient Safety and Data Privacy - Data Interoperability Compliance ONC USCDI Version 2 now includes UMHAI as data element under "Comments" section: https://www.healthit.gov/isa/uscdi-data/unique-mobile-health-application-identifier-umhai