Maximize your personal injury claim after a Massachusetts car accident with Bottaro Law Firm's expert guidance on subrogation complexities. It is the process that an auto insurance company uses to recover the money it paid for any claims where another party is responsible.A medical lien is a demand for repayment from your injury case for any medical bills your health insurance company paid that were related to an injury lawsuit. Learn everything you need to know with this helpful Reimbursement and Subrogation Claims fact sheet from our experienced Boston lawyers. A balance bill is issued when a provider charges a patient with the amount the insurance company doesn't pay. When a member is injured in an auto accident or on the job, another insurer is often primary. Note: Tufts Health Plan does not routinely compensate conditional bills. Subrogation. Denies the claim because of a PIP benefit exclusion. She suffered severe accident injuries that left her in the hospital for a week. In need of clarification on a matter of subrogation and reimbursement?