Patient Identifier Cross Referencing (PIX) What it is used for: Cross-referencing multiple local patient ID‘s between hospitals, sites, health information exchange networks, etc. Used when local patient ID’s have been registered with a PIX manager.

Example: Hospital A transmits Patient D’s ID information to the HIE for cross referencing. Hospital A receives Patient D’s local ID for Hospital B which they can use to request information from Hospital B, based on need.

Synonyms: Patient Identifier Cross Referencing

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