Title 42, The Public Health and WelfareRelease 119-110

§10003 Definitions

Title 42 › CHAPTER 107 — CONSUMER-PATIENT RADIATION HEALTH AND SAFETY › § 10003

Last updated Sep 22, 2026|Official source

Summary

Defines key words used in the chapter. Radiation means both ionizing and nonionizing radiation above normal background levels, for example from medical or dental imaging or treatment. Radiologic procedure means any test or treatment that works by giving off radiation, used to find or care for disease. Radiologic equipment means machines or products that emit or detect radiation for imaging or treatment. Practitioner means a licensed doctor of medicine, osteopathy, dentistry, podiatry, or chiropractic who prescribes such procedures. Persons who administer radiologic procedures are non‑practitioners who give radiation for medical care, like radiologic, radiation therapy, and nuclear medicine technologists, and dental hygienists and assistants. Secretary means the Secretary of Health and Human Services. State means the several States, the District of Columbia, the Commonwealth of Puerto Rico, the Commonwealth of the Northern Mariana Islands, the Virgin Islands, Guam, American Samoa, and the Trust Territory of the Pacific Islands.

Full Legal Text

Title 42, §10003

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

Unless otherwise expressly provided, for purposes of this chapter, the term—
(1)“radiation” means ionizing and nonionizing radiation in amounts beyond normal background levels from sources such as medical and dental radiologic procedures;
(2)“radiologic procedure” means any procedure or article intended for use in—
(A)the diagnosis of disease or other medical or dental conditions in humans (including diagnostic X-rays or nuclear medicine procedures); or
(B)the cure, mitigation, treatment, or prevention of disease in humans;
that achieves its intended purpose through the emission of radiation;
(3)“radiologic equipment” means any radiation electronic product which emits or detects radiation and which is used or intended for use to—
(A)diagnose disease or other medical or dental conditions (including diagnostic X-ray equipment); or
(B)cure, mitigate, treat, or prevent disease in humans;
that achieves its intended purpose through the emission or detection of radiation;
(4)“practitioner” means any licensed doctor of medicine, osteopathy, dentistry, podiatry, or chiropractic, who prescribes radiologic procedures for other persons;
(5)“persons who administer radiologic procedures” means any person, other than a practitioner, who intentionally administers radiation to other persons for medical purposes, and includes medical radiologic technologists (including dental hygienists and assistants), radiation therapy technologists, and nuclear medicine technologists;
(6)“Secretary” means the Secretary of Health and Human Services; and
(7)“State” means the several States, the District of Columbia, the Commonwealth of Puerto Rico, the Commonwealth of the Northern Mariana Islands, the Virgin Islands, Guam, American Samoa, and the Trust Territory of the Pacific Islands.

Legislative History

Notes & Related Subsidiaries

Executive Documents

Termination of Trust Territory of the Pacific Islands For termination of Trust Territory of the Pacific Islands, see note set out preceding section 1681 of Title 48, Territories and Insular Possessions.

Reference

Citations & Metadata

Citation

42 U.S.C. § 10003

Title 42, The Public Health and Welfare

Last Updated

Sep 22, 2026

Release point: 119-110