; (8) surgery (as appropriate); (9) postoperative medical appointments for purposes of ensuring appropriate recovery from surgery; (10) postoperative audiological appointments for activation and fitting of the implant device and external sound processor; and (11) aural rehabilitation and treatment services (as appropriate). (b) Cost-Sharing Beginning with plan years beginning on or after January 1, 2021, the cost-sharing incurred under a plan or coverage described in subsection (a)— (1) for an auditory implant device and external sound processors under this section, shall not exceed a dollar amount that is the highest cost-sharing requirement for the amount of the charges imposed for such device that is provided by a physician or qualified audiologist that has a contractual relationship with such plan or coverage for the providing of such device; (2) for an item or service under this section, shall not exceed a dollar amount that is imposed for similar items and services under that plan that are provided by a physician or qualified audiologist; and (3) that has a contractual relationship with such plan or coverage for the providing of such items and services. . (b) Application to grandfathered health plans Section 1251(a)(4)(A) of the Patient Protection and Affordable Care Act ( 42 U.S.C. 18011(a)(4)(A) ) is amended— (1) by striking title and inserting title, or as added after the date of the enactment of this Act) ; and (2) by adding at the end the following new clause: (v) Section 2713A (relating to hearing devices and systems). . (3) Effective date The amendments made by this subsection shall apply with respect to plan years beginning on or after January 1, 2021.