This variable is the disability secondary impairment diagnosis code from the Social Security Administration (SSA). The SSA groups diagnoses into categories.
Note that these are not ICD-10 (or ICD-9) diagnosis codes. Reference the SSA website: https://secure.ssa.gov/poms.nsf/lnx/0426510015
CMS obtains information regarding SSA disability benefits and stores it as part of the Common Medicare Environment (CME) database.
Values: 0001-9999 (e.g., 2960) or null/missing
Source: CMS SSA tables
Note that these are not ICD-10 (or ICD-9) diagnosis codes. Reference the SSA website: https://secure.ssa.gov/poms.nsf/lnx/0426510015
CMS obtains information regarding SSA disability benefits and stores it as part of the Common Medicare Environment (CME) database.
Values: 0001-9999 (e.g., 2960) or null/missing
Source: CMS SSA tables