# The Health Service (Control of Patient Information) Regulations 2002, Paragraph 4


The processing of confidential patient information for medical purposes from more than one source with a view to—
(a) linking information from more than one of those sources;
(b) validating the quality or completeness of—
(i) confidential patient information, or
(ii) data derived from such information;
(c) avoiding the impairment of the quality of data derived from confidential patient information by incorrect linkage or the unintentional inclusion of the same information more than once.

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Source: https://www.legislation.gov.uk/uksi/2002/1438/schedule/paragraph/4 (the official version)
Page: https://openlegislation.uk/health-service-control-of-patient-information-regulations-2002/schedule/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.