Okla. Stat. tit. 63, § 63-1-1708.1D: Medical liability actions - Evidence

A. In every medical liability action, the court shall admit

evidence of payments of medical bills made to the injured party,

unless the court makes the finding described in paragraph B of this

section.

B. In any medical liability action, upon application of a

party, the court shall make a determination whether amounts claimed

by a health care provider to be a payment of medical bills from a

collateral source is subject to subrogation or other right of

recovery. If the court makes a determination that any such payment

is subject to subrogation or other right of recovery, evidence of

the payment from the collateral source and subject to subrogation or

other right of recovery shall not be admitted.