Specify Other Subscriber Primary ID - Registry Setting
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'Y' enables the 'Specify Information To Display In Other Subscriber Primary ID (2330A-NM1-09)' field in the Guarantor/Program Billing Defaults form (837 Institutional and 837 Professional sections).
This field specifies the 'Other Subscriber Primary ID (2330A-NM1-09)' on an 837 Professional or Institutional bill.
'N' disables the above field.
