D.C. Code § 31-3832
(a) An individual or group health plan which is a health benefit plan, and a health insurer providing health insurance coverage, that provides medical and surgical benefits with respect to a mastectomy shall, in a manner determined in consultation with the attending physician and the patient, provide the following coverage in the case of a participant or beneficiary who is receiving benefits in connection with a mastectomy and who elects breast reconstruction in connection with such mastectomy:
Apr. 3, 2001, D.C. Law 13-254, § 3, 48 DCR 723
This section is referenced in § 31-3833.