Segment: REF
Loop: 2330E Segment: REF
Element: REF01 (Other Payer Service Facility Secondary Identification Reference Id Qualifier
Allows 'OB', '1G', and 'G2'. Allows up to all 3.
Element: REF02 (Other Payer Service Facility Secondary Identification Reference ID)

- Facility->Additional IDs
- Patient Account->Claims Tab->Select Claim->More Info->Providers Tab->Service Facility