i hope this helps
Scanline 1 –
Field 1 – Social Security Number under which the mailer is being controlled
Field 2 – Beneficiary Identification Code (BIC) (title II), or
Individual Recipient Identification code (ID) (title XVI)
Field 3 – Year of beneficiary's birth
Field 4 – Year of most recent prior CDR
Field 5 – Primary and Secondary Diagnosis Codes
Scanline 2 –
Field 1 – Medical Diary Reason/Type
Field 2 – Concurrent Entitlement information
Field 3 – Profile Type (High, Medium or Low)
Field 4 – Profiling SCORE (9999 is highest)
Field 5 – Report Period covered by the mailer
Field 6 – Scanning Form Identification Code (SFIC) (describes if it is a 1st or 2nd request mailer form, whether it is title II/concurrent or title XVI-only, and whether the beneficiary prefers a non-English language notice).
Field 7 – Servicing Processing Center
Field 8 – Servicing State Agency/DDS code
https://s044a90.ssa.gov/apps10/poms....1!opendocument