ALS-related services means items and services that are furnished to a covered ALS individual in an outpatient setting by a qualified provider (or by others under arrangements with them made by the qualified provider) for the care and treatment of such an individual with respect to the progression of amyotrophic lateral sclerosis. (d) Payment system (1) Authority The Secretary shall establish a payment system under which a single payment determined in accordance with the succeeding paragraphs is made to a qualified provider for ALS-related services furnished to a covered ALS individual during a visit beginning on and after January 1, 2025, for the purpose of reimbursing the qualified provider (or clinic, if applicable) for furnishing ALS-related services. (2) Base payment amount (A) 2025 For coverage year 2025, the Secretary shall establish a single payment amount for ALS-related services equal to $800 for such services furnished for each visit during such year. (B) 2026 For coverage year 2026, the Secretary shall establish a single payment amount for ALS-related services furnished for each visit during such year that is the greater of— (i) the payment amount recommended by the Comptroller General in the report described in subparagraph (D)(i)