D.C. Code § 44-432
Health care facility mammography report.
(a) Beginning January 1, 2019, a health care facility shall provide a patient receiving a mammography exam with a mammography report detailing the results of the mammography exam, including an identification of the patient's breast tissue classification.
(b) If a patient receives a class C or class D breast density classification, the mammography report prepared pursuant to subsection (a) of this section shall include the following notice:
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