PIP and med-pay rules in Missouri

If someone told you to open a "PIP claim" after a Missouri crash, start here: Missouri doesn't have PIP. There's no personal injury protection mandate and no no-fault system in this state. Missouri runs on fault, so the driver who caused the wreck, through their insurer, is the one on the hook for your injuries and your vehicle damage.¹ The coverage people mix up with PIP, medical payments coverage (usually called med-pay), does exist here. It's just optional, and it behaves differently than PIP does in no-fault states.

That difference works in your favor in Missouri, for a reason most drivers never hear about. More on that below.

What Missouri law actually requires

Every vehicle registered in Missouri has to carry proof of financial responsibility, almost always a liability insurance policy.² The state minimum is written as 25/50/25: $25,000 for bodily injury to one person, $50,000 for bodily injury per accident, and $25,000 for property damage.³⁴ Every auto liability policy issued in Missouri must also include uninsured motorist (UM) bodily injury coverage of at least $25,000 per person and $50,000 per accident, with no option to waive it on a standard policy.⁵

Notice what's missing: no PIP, no med-pay, and no underinsured motorist coverage. The Missouri Department of Revenue's own insurance page lists only liability and uninsured motorist coverage as required.¹ Underinsured motorist (UIM) and med-pay are both coverages you can buy, not coverages the state makes you carry.⁶

What med-pay is and how it works here

Med-pay is first-party coverage, meaning coverage you buy to protect yourself and the people riding with you. It pays medical (and often funeral) bills after a crash no matter who caused it, up to the limit you picked. Because it's optional and priced separately, the limits are usually small, commonly sold in $1,000, $2,000, $5,000, or $10,000 increments.

The appeal is speed. Med-pay doesn't wait for anyone to admit fault. If you have a $500 deductible, a pile of copays, or no health insurance at all, med-pay can pay for care right away while the larger fault-based claim plays out. It's narrower than PIP, which in no-fault states is mandatory and also replaces lost wages. Missouri requires neither.

Even with good health insurance, med-pay earns its keep. It covers your passengers, who may not be on your health plan. It ignores networks and referral rules. And it can pick up the deductibles and copays your health insurer leaves you, money you would otherwise front yourself and try to recover later.

The Missouri rule that keeps med-pay in your pocket

Here's the part that makes Missouri different. In many states, if your med-pay pays $5,000 toward your bills, your insurer then "subrogates" and takes that $5,000 back out of whatever you recover from the at-fault driver. In Missouri, that generally can't happen on the injury side of your claim.

Since 1965, Missouri courts have held that an auto med-pay subrogation clause is void as against public policy, because a claim for personal injury cannot be assigned to anyone else. In Travelers Indemnity Co. v. Chumbley, the court refused to let a med-pay insurer recover its payment out of the injured person's claim against the at-fault driver.⁷ Missouri courts have repeated the point since: "a claim for personal injury cannot be assigned, in whole or in part," and insurers' attempts to write around the rule "have been regularly invalidated."⁸

For you, that means med-pay usually stacks on top of your recovery from the at-fault driver instead of being subtracted from it. You can collect med-pay from your own policy and still pursue the full value of the same injuries against the driver who hit you, and your med-pay carrier generally can't send you a reimbursement demand afterward.

Two limits on that. Federal law wins where it applies, so Medicare, Medicaid, and some employer health plans governed by federal ERISA rules can still seek repayment from a settlement. And the protection covers bodily injury, not property. Your collision insurer can still chase the at-fault driver to recover what it paid on your car, because property claims can be assigned. If your vehicle lost resale value in the wreck, that is a separate diminished value claim.

How med-pay fits with your injury claim

Missouri treats med-pay as a collateral source. The at-fault driver doesn't get a discount just because you were smart enough to carry it.

One 2017 change matters when you total up medical damages. Missouri amended its collateral source statute, section 490.715, effective August 28, 2017, so the medical-expense portion of a claim is proven by the "actual cost" of care. That is the amount actually paid on your behalf plus any balance still owed after contractual discounts and write-offs, rather than the full sticker-price bill.⁹ If a hospital bills $40,000 but accepts $12,000 as payment in full, your recoverable medical damages track closer to the $12,000. Med-pay helps by covering part of that real number early.

Deadlines you can't miss

Missouri gives you five years to file a lawsuit for crash injuries, measured from the date of the collision, under section 516.120(4). The same five-year window covers damage to your vehicle and other property.¹⁰ That's more generous than most states, but don't let it lull you. Med-pay coverage carries its own, much shorter deadlines inside the policy, including prompt-notice and proof-of-claim requirements, so report the crash to your own insurer quickly and hold on to your medical receipts. If you need the official documentation of the crash, start with your Missouri crash report.

Fault still decides the biggest dollars

Because Missouri is a fault state, the larger money (pain and suffering, lost income, the remaining medical bills) comes from the at-fault driver's liability coverage, not from med-pay. Missouri follows pure comparative fault, so if you're assigned part of the blame, your award drops by your percentage, though you can still recover something even if you were mostly at fault.¹¹ Med-pay sits outside that math and pays your bills regardless of the fault split. If the other driver had no insurance or too little, your required UM coverage, plus any UIM you chose to add, is what fills the gap.⁵

When the bills climb past the available limits, or an insurer starts fighting over who was at fault, that's the point to talk to someone who does this for a living. You can find a Missouri attorney through the thatcarhitme legal directory.

This is general information about Missouri law, not legal advice about your specific situation.

Sources

Missouri Department of Revenue, Insurance Information. https://dor.mo.gov/driver-license/insurance/
Mo. Rev. Stat. § 303.025 (proof of financial responsibility required). https://revisor.mo.gov/main/OneSection.aspx?section=303.025
Mo. Rev. Stat. § 303.190 (motor vehicle liability policy; 25/50/25 minimum limits). https://revisor.mo.gov/main/OneSection.aspx?section=303.190
Mo. Rev. Stat. § 303.030 (minimum liability limits). https://revisor.mo.gov/main/OneSection.aspx?section=303.030
Mo. Rev. Stat. § 379.203 (mandatory uninsured motorist coverage). https://revisor.mo.gov/main/OneSection.aspx?section=379.203
Mo. Rev. Stat. § 379.204 (underinsured motorist coverage construction). https://revisor.mo.gov/main/OneSection.aspx?section=379.204
Travelers Indemnity Co. v. Chumbley, 394 S.W.2d 418 (Mo. App. 1965). https://law.justia.com/cases/missouri/court-of-appeals/1965/8416.html
Hays v. Missouri Highways and Transportation Commission, 62 S.W.3d 538 (Mo. App. 2001). https://www.casemine.com/judgement/us/59147c0badd7b04934427d11
Mo. Rev. Stat. § 490.715 (collateral source rule; actual cost of medical care). https://revisor.mo.gov/main/OneSection.aspx?section=490.715
Mo. Rev. Stat. § 516.120 (five-year limitation, subsection 4). https://revisor.mo.gov/main/OneSection.aspx?section=516.120
Gustafson v. Benda, 661 S.W.2d 11 (Mo. banc 1983) (pure comparative fault). https://www.courtlistener.com/opinion/1787880/gustafson-v-benda/

PIP & Med-Pay Rules in Missouri