VA Subrogation – Request VA Medical Bills. Inova Fairfax Medical Campus Patient Information.Learn more about paying your Inova Bill. Insurance companies can utilize this letter template to seek reimbursement from the person or entity legally responsible for a loss. Subrogation is a legal term for when one entity pays a benefit, and then tries to get paid back for the benefits that it paid out. After you receive care, you shouldn't have to complete any claim forms or have to pay up front for medical services other than the usual out-of-pocket expenses. That may especially apply in a state like Virginia which has an antisubrogation law. In Virginia health insurance plans cannot subrogate. ☐ Charges billed in error (Fill out Section 2) Note: Late charges can be submitted electronically using the ANSI X12 837 claim format. Additional Medicare Advantage requirements. 24.