Title 42, The Public Health and WelfareRelease 119-110

§17921 Definitions

Title 42 › CHAPTER 156 — HEALTH INFORMATION TECHNOLOGY › SUBCHAPTER III — PRIVACY › § 17921

Last updated Sep 23, 2026|Official source

Summary

Defines important words used in this part of the law. It calls a "breach" when protected health information is gotten, seen, used, or shared without permission in a way that hurts its privacy or security. It is not a breach if the person who got the information could not reasonably keep it, or if the access was an accidental, good-faith action by an employee within their job and the information was not further shared, or if it was an inadvertent sharing between authorized staff at the same facility and not further misused. Also defines other terms in one line each. Business associate — as defined in 45 CFR 160.103. Covered entity — as defined in 45 CFR 160.103. Disclose/disclosure — as in 45 CFR 160.103. Electronic health record — an electronic record created and used by authorized clinicians and staff. Health care operations — as in 45 CFR 164.501. Health care provider — as in 45 CFR 160.103. Health plan — as in 45 CFR 160.103. National Coordinator — the head of the Office of the National Coordinator for Health IT (established under section 300jj–11(a)). Payment — as in 45 CFR 164.501. Personal health record — an electronic PHR-identifiable record drawn from many sources and managed or controlled by the individual (see 17937(f)(2)). Protected health information — as in 45 CFR 160.103. Secretary — the Secretary of Health and Human Services. Security — as in 45 CFR 164.304. State — each State, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands. Treatment — as in 45 CFR 164.501. Use — as in 45 CFR 160.103. Vendor of personal health records — any entity, other than a covered entity, that offers or maintains a personal health record.

Full Legal Text

Title 42, §17921

The Public Health and Welfare, Source: USLM XML via OLRC

In this subchapter, except as specified otherwise:
(1)Breach
(A)In general
The term “breach” means the unauthorized acquisition, access, use, or disclosure of protected health information which compromises the security or privacy of such information, except where an unauthorized person to whom such information is disclosed would not reasonably have been able to retain such information.
(B)Exceptions
The term “breach” does not include—
(i)any unintentional acquisition, access, or use of protected health information by an employee or individual acting under the authority of a covered entity or business associate if—
(I)such acquisition, access, or use was made in good faith and within the course and scope of the employment or other professional relationship of such employee or individual, respectively, with the covered entity or business associate; and
(II)such information is not further acquired, accessed, used, or disclosed by any person; or
(ii)any inadvertent disclosure from an individual who is otherwise authorized to access protected health information at a facility operated by a covered entity or business associate to another similarly situated individual at same facility; and
(iii)any such information received as a result of such disclosure is not further acquired, accessed, used, or disclosed without authorization by any person.
(2)Business associate
The term “business associate” has the meaning given such term in section 160.103 of title 45, Code of Federal Regulations.
(3)Covered entity
The term “covered entity” has the meaning given such term in section 160.103 of title 45, Code of Federal Regulations.
(4)Disclose
The terms “disclose” and “disclosure” have the meaning given the term “disclosure” in section 160.103 of title 45, Code of Federal Regulations.
(5)Electronic health record
The term “electronic health record” means an electronic record of health-related information on an individual that is created, gathered, managed, and consulted by authorized health care clinicians and staff.
(6)Health care operations
The term “health care operation” has the meaning given such term in section 164.501 of title 45, Code of Federal Regulations.
(7)Health care provider
The term “health care provider” has the meaning given such term in section 160.103 of title 45, Code of Federal Regulations.
(8)Health plan
The term “health plan” has the meaning given such term in section 160.103 of title 45, Code of Federal Regulations.
(9)National Coordinator (10) Payment
The term “National Coordinator” means the head of the Office of the National Coordinator for Health Information Technology established under section 300jj–11(a) of this title, as added by section 13101.
(11)Personal health record
The term “personal health record” means an electronic record of PHR identifiable health information (as defined in section 17937(f)(2) of this title) on an individual that can be drawn from multiple sources and that is managed, shared, and controlled by or primarily for the individual.
(12)Protected health information
The term “protected health information” has the meaning given such term in section 160.103 of title 45, Code of Federal Regulations.
(13)Secretary
The term “Secretary” means the Secretary of Health and Human Services.
(14)Security
The term “security” has the meaning given such term in section 164.304 of title 45, Code of Federal Regulations.
(15)State
The term “State” means each of the several States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands.
(16)Treatment
The term “treatment” has the meaning given such term in section 164.501 of title 45, Code of Federal Regulations.
(17)Use
The term “use” has the meaning given such term in section 160.103 of title 45, Code of Federal Regulations.
(18)Vendor of personal health records
The term “vendor of personal health records” means an entity, other than a covered entity (as defined in paragraph (3)), that offers or maintains a personal health record.

Legislative History

Notes & Related Subsidiaries

Editorial Notes

References in Text

This subchapter, referred to in text, was in the original “this subtitle”, meaning subtitle D (§ 13400 et seq.) of title XIII of div. A of Pub. L. 111–5, Feb. 17, 2009, 123 Stat. 258, which is classified principally to this subchapter. For complete classification of subtitle D to the Code, see Tables. section 13101, referred to in par. (9), means section 13101 of div. A of Pub. L. 111–5.

Reference

Citations & Metadata

Citation

42 U.S.C. § 17921

Title 42, The Public Health and Welfare

Last Updated

Sep 23, 2026

Release point: 119-110