(2) Hospitals and rehabilitation facilities that specialize in treating conditions that affect mobility, or units within either that specialize in treating conditions that affect mobility — All patient bedrooms and toilets, and all public use and common use areas are required to be designed and constructed to be accessible.
(3) Long term care facilities, nursing homes — At least 50 percent of patient bedrooms and toilets, and all public use and common use areas are required to be designed and constructed to be accessible.
(4) Alterations to patient bedrooms.
(b) When patient bedrooms are being added or altered individually, and not as part of an alteration of the entire area, the altered patient bedrooms shall comply with 6.3, unless either
b) the number of accessible patient bedrooms in the facility equals the overall number that would be required if the facility were newly constructed.
(“ Standards for Accessible Design”, 28 CFR 36 Appendix D)


