You can download the following documents from this page:
The file layout lists all variables in each of the 7 parts of CASPER/QIES
The file layout lists all variables in the SNF/OSCAR file in alphabetical order. When the 'label' information refers to a number preceded by an 'F', the reference is to a field name from CMS Forms 671 and 672.
Long Term Care Facility Application for Medicare and Medicaid
Resident Census and Conditions of Residents.