42CFR subsection 483.25(c) pressure sores: Based on the comprehensive assessment of a resident [they mean, the MDS/RAPS] the facility must enusre that-
1. A resident who enters the facility without pressure sores does not develop sores unless the individuals clinical condition demonstrates that they were unavoidable; and
2. A resident having pressure sores receives necessary treatment and services to promote healing, prevent infection and prevent new sores from developing.
The book is use is called "The Long Term Care Survey" it is put out by the American Health Care Association at: www.acha.org
I think I paid about $40 for it... I can't remember.