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ISO/TS 25237:2008

Health informatics - Pseudonymization

ISO/TS 25237:2008 contains principles and requirements for privacy protection using pseudonymization services for the protection of personal health information. ISO/TS 25237:2008 is applicable to organizations who make a claim of trustworthiness for operations engaged in pseudonymization services.

ISO/TS 25237:2008:

  • defines one basic concept for pseudonymization;
  • gives an overview of different use cases for pseudonymization that can be both reversible and irreversible;
  • defines one basic methodology for pseudonymization services including organizational as well as technical aspects;
  • gives a guide to risk assessment for re-identification;
  • specifies a policy framework and minimal requirements for trustworthy practices for the operations of a pseudonymization service;
  • specifies a policy framework and minimal requirements for controlled re-identification;
  • specifies interfaces for the interoperability of services interfaces.

Content Provider
International Organization for Standardization [ISO]


As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.