A Medicaid recipient shall pay a copayment as follows:
Services furnished by a health maintenance organization to enrollees and services furnished for purposes of family planning and emergency care shall be excluded from the copayment charges set forth in § 3035.1.
Copayment charges shall be imposed on both the categorically and medically needy, except for individuals under the age of eighteen (18) years, pregnant women, and persons who reside in institutions.
D.C. Mun. Regs. tit. 22, r. 22-B3035