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System and method for generating de-identified health care data

  • US 7,865,376 B2
  • Filed: 12/11/2007
  • Issued: 01/04/2011
  • Est. Priority Date: 09/20/1999
  • Status: Expired due to Term
First Claim
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1. A system for creating a unique alias associated with an individual identified in a health care database, comprising:

  • a first data store for storing at least one record, each record including a plurality of identification fields which when taken together uniquely identify an individual, and at least one health care field corresponding to health care data associated with the individual;

    a second data store; and

    a processor for performing the steps of;

    selecting a record of the first data store;

    selecting a subset of the plurality of identification fields within the selected record;

    concatenating the selected subset of identification fields;

    encrypting the concatenated identification fields; and

    storing in a second record that does not include the plurality of identification fields in the second data store the encrypted concatenated identification fields as well as the at least one health care field from the selected record of the first data store.

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