Huntington's Disease Parity Act of 2011 - Directs the Commissioner of Social Security, for purposes of determining cognitive, behavioral, and physical disability under titles II (Old Age, Survivors, and Disability Insurance) (OASDI) and XVI (Supplemental Security Income) (SSI) of the Social Security Act (SSA), to amend specified Listings of Impairments by providing medical and evaluation criteria for Huntington's Disease.
Amends SSA title II to waive the 24-month waiting period for coverage under the Medicare program for individuals diagnosed with Huntington's Disease.