District of Columbia Code
Chapter 4A - Health Care Facility Mammography Report
§ 44–431. Definitions

For the purposes of this chapter, the term:
(1) "Breast density classification" means the 4 levels of breast density identified in the Breast Imaging Reporting and Data System established by the American College of Radiology, which are:
(A) Class A, indicating fatty breast tissue;
(B) Class B, indicating scattered fibroglandular breast tissue;
(C) Class C, indicating heterogeneously dense breast tissue with fibrous and glandular tissue that are evenly distributed throughout the breast; and
(D) Class D, indicating extremely dense breast tissue.
(2) "Health care facility" means a hospital, maternity center, ambulatory surgical facility, or hospice, as defined in subchapter I of Chapter 5 of this title.
(Mar. 22, 2019, D.C. Law 22-261, § 101, 66 DCR 1373.)