1.1 This guide covers a set of requirements outlining the properties of a national system creating a universal health care identifier (UHID). Use of the UHID is expected to be limited to the population of the United States.

1.2 This guide sets forth the fundamental considerations for a UHID that can support at least four basic functions effectively:

1.2.1 Positive identification of patients when clinical care is rendered;

1.2.2 Automated linkage of various computer-based records on the same patient for the creation of lifelong electronic health care files;

1.2.3 Provision of a mechanism to support data security for the protection of privileged clinical information; and

1.2.4 The use of technology for patient records handling to keep health care operating costs at a minimum.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.