Does the collateral source rule keep my MedPay payments out of the Georgia damages math?

· 3 min read

The collateral source rule is the evidentiary principle that has historically kept a jury from hearing that an injured person’s own insurance, such as medical payments coverage (MedPay), already paid some bills. The idea is that a wrongdoer should not get a discount on damages just because the victim was prudent enough to carry their own coverage.

What the rule traditionally does

Under the classic collateral source rule, payments a plaintiff receives from a source independent of the defendant, such as their own auto or health insurance, are not admissible to reduce the defendant’s liability. Applied to MedPay, that meant the at-fault driver’s insurer generally could not tell the jury that MedPay had already covered part of the medical expenses. The injured person’s recovery was measured by the damages the defendant caused, not by what a separate insurer happened to pay.

The policy behind the rule is straightforward: the benefit of insurance the victim purchased should accrue to the victim, not to the party who caused the harm.

What Georgia’s 2025 tort-reform law changed

Senate Bill 68, signed in April 2025, narrowed this protection for medical-expense evidence. The new statute, O.C.G.A. § 51-12-1.1, lets a jury hear not just the amounts a provider billed but the amounts actually necessary to satisfy those charges, including what was paid under a plaintiff’s health coverage or other benefits. By the same logic, evidence that a first-party source such as MedPay covered part of the bills is no longer automatically kept from the jury in the way the older rule required.

The timing of the incident controls which version of the law applies. The new medical-damages provisions reach causes of action arising on or after the law’s April 21, 2025 effective date; for an injury that occurred before then, the prior collateral source rule still governs how MedPay evidence is treated. A few points hold either way:

  • The rule has always been about what evidence a jury may hear, not about whether the injured person can use MedPay.
  • Reimbursement or subrogation between insurers is a separate question from the damages presentation.
  • Under the new framework, the value of medical damages can turn on amounts paid or accepted, not on the billed figure alone.

The bottom line

For older incidents, the collateral source rule kept MedPay payments out of the damages math by barring the defendant from telling the jury about them, so the recovery reflected the harm caused rather than the victim’s own coverage. For causes of action arising on or after April 21, 2025, O.C.G.A. § 51-12-1.1 changes that calculus by allowing evidence of amounts actually necessary to satisfy the charges, so whether MedPay stays out of the math now depends largely on when the incident happened.

This article is for general educational and informational purposes only and is not legal advice. It does not create an attorney-client relationship, and Georgia law may change. For advice about a specific situation, consult a licensed Georgia personal injury attorney.

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