; (B) amounts paid or prepaid for medical services designed to screen for, diagnose, cure, mitigate, treat, or prevent disease and promote wellness; and (C) prescription or non-prescription medicines or drugs. (d) Eligibility for Department medical care A veteran who chooses to receive a veteran health savings account described under subsection (c) may not receive medical care furnished by the Department of Veterans Affairs that is included in the direct primary care service arrangement described in such subsection during the period the veteran participates in the pilot program. (e) Prevention of fraudulent activity The Secretary shall establish a mechanism to prevent fraudulent activity in connection with payments made under this section and to ensure participating veterans use health savings accounts only as authorized under this section. (f) Amounts deposited in accounts The Secretary of Veterans Affairs shall— (1) determine the annual amount to be deposited in a veteran health savings account described in subsection (c) using calculations conducted by the Secretary and in consultation with an actuarial service