System and method for analyzing de-identified health care data

  • US 8,473,452 B1
  • Filed: 09/20/2000
  • Issued: 06/25/2013
  • Est. Priority Date: 09/20/1999
  • Status: Expired due to Term
First Claim
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1. A system for de-identifying health care data comprising:

  • at least one health care database, the at least one health care database including at least one patient record, each patient record including a plurality of identification fields associated with a patient and at least one health care field, wherein at least one subset of the identification fields associated with a patient uniquely identifies the patient; and

    one or more processors in communication with the at least one health care database and a second database, wherein the one or more processors execute instructions that cause the one or more processors to;

    select a patient record from the at least one health care database,extract alphanumeric information from a plurality of the identification fields included in the patient record, the extracted alphanumeric information uniquely identifying the patient;

    generate an encrypted unique patient identifier by encrypting the extracted alphanumeric information,generate a de-identified patient record, wherein the de-identified patient record includes the at least one health care field that is included in the selected patient record and the encrypted unique patient identifier, and wherein the de-identified patient record does not include any information that identifies the patient other than the encrypted unique patient identifier, andtransmit the de-identified patient record to the second database.

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