40 Pa.C.S. § 3804: Exceptions to retroactive denial of reimbursement.

The provisions of section 3803 (relating to retroactive denial of reimbursement) do not apply if an insurer retroactively denies reimbursement to a health care provider because any of the following apply:

(1) The information submitted to the insurer constitutes fraud, waste or abuse as defined in this chapter.

(2) The claim submitted to the insurer was a duplicate claim.

(3) Denial was required by a Federal or State government plan.

(4) Services were subject to coordination of benefits with another insurer, the medical assistance program or the Medicare program.