for individuals who have been diagnosed with ALS. 3. Waiver of 24-month waiting period for coverage under medicare program for individuals diagnosed with Huntington’s disease (a) In general Section 226(h) of the Social Security Act ( 42 U.S.C. 426(h) ) is amended, in the matter preceding paragraph (1), by inserting or Huntington’s disease (HD) after amyotrophic lateral sclerosis (ALS) . (b) Effective date The amendment made by subsection (a) shall apply to benefits under title XVIII of the Social Security Act with respect to items and services furnished in months beginning after the date of the enactment of this Act.