SSA 831 Disability File CPS Extract

The SSA's 831 Disability File is a research file created to determine medical eligibility for Old-Age, Survivors and Disability Insurance (OASDI) and Supplemental Security Income (SSI) benefits. The CPS 831 Disability File extract file contains Protected Identification Keys (PIK) that link these records to the respondents in the internal Current Population Survey (CPS) microdata files.