; At-Risk beneficiary (1) Peripheral artery disease screening test The term peripheral artery disease screening test means— (A) noninvasive physiologic studies of extremity arteries (commonly referred to as ankle-brachial index testing); (B) arterial duplex scans of lower extremity arteries vascular; and (C) such other items and services as the Secretary determines, in consultation with relevant stakeholders, to be appropriate for screening for peripheral artery disease for at-risk beneficiaries. (2) At-risk beneficiary The term at-risk beneficiary means an individual enrolled under a State plan (or a waiver of such plan)— (A) who is 65 years of age or older; (B) who is at least 50 years of age but not older than 64 years of age with risk factors for atherosclerosis (such as diabetes mellitus, a history of smoking, hyperlipidemia, and hypertension) or a family history of peripheral artery disease; (C) who is younger than 50 years of age with diabetes mellitus and one additional risk factor for atherosclerosis; or (D) with a known atherosclerotic disease in another vascular bed such as coronary, carotid, subclavian, renal, or mesenteric artery stenosis, or abdominal aortic aneurysm. (3) Frequency The Secretary shall, in consultation with appropriate organizations, establish standards regarding the frequency for peripheral artery disease screening tests described in subsection (a)(31) for purposes of coverage under a State plan under this title. . (b) No cost sharing (1) In general Subsections (a)(2) and (b)(2) of section 1916 of the Social Security Act ( 42 U.S.C. 1396o ) are each amended— (A) in subparagraph (I), by striking or at the end; (B) in subparagraph (J), by striking ; and and inserting , or ; and (C) by adding at the end the following new subparagraph: (K) peripheral artery disease screening tests furnished to at-risk beneficiaries (as such terms are defined in section 1905(jj))