How Uninsured Motorist Coverage, PIP and MedPay Work After a Car Accident
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November 10, 2026 · 3 min read
After a car crash, more than one insurance policy may apply. People usually think first of the at-fault driver's liability coverage, but personal injury protection (PIP), MedPay and uninsured motorist (UM) coverage can matter just as much. An auto accident lawyer usually requests the declarations page for every policy that might apply, because the coverage often decides how much of a loss can be paid.
How fault rules shape coverage
Most states require drivers to carry a minimum amount of liability insurance, which pays for injuries and property damage the insured driver causes to others. State minimum limits can be low compared with the cost of a serious injury. In an at-fault state, the injured person usually makes a claim against the at-fault driver's insurer. A smaller group of states uses a no-fault system, in which each driver's own PIP coverage pays medical expenses and some lost income regardless of fault. In those states, a lawsuit against the at-fault driver may be limited unless the injury meets a legal threshold.
PIP and MedPay coverage
PIP is required in no-fault states and in a few other states, and some others offer it as an option. Depending on the policy, it may cover medical bills, a share of lost wages and some household expenses. Medical payments coverage, usually called MedPay, is separate and generally smaller. It pays medical expenses for the policyholder and passengers regardless of fault, up to its policy limit. A car crash lawyer will check whether these benefits require prompt notice or a written claim.
When the other driver has little or no insurance
Uninsured motorist (UM) coverage pays for injuries caused by a driver who has no insurance, and many states extend it to hit-and-run crashes. Underinsured motorist (UIM) coverage applies when the at-fault driver's limits are too low to cover the loss. Some states require UM coverage, while others allow it to be rejected in writing. Rules for stacking coverage from several vehicles or policies also vary by state. A relative's policy in the same household may also provide UM coverage in some states.
How a UM claim works
The UM claim goes to the injured https://caraccidentlawyers.wiki/reference/drunk-driving/ person's own insurance company, but in that claim the insurer takes the position of the uninsured driver, so it may dispute fault and the amount of damages. Many policies require prompt notice, and a hit-and-run claim may require a timely police report. In some states, the UM insurer must be served with a copy of any lawsuit against the at-fault driver. A car crash attorney will check these requirements early, because missing one can affect the coverage.
Repairs and rentals
Collision coverage pays for repairs to the policyholder's car regardless of fault, less the deductible. The insurer may then seek repayment from the at-fault driver's insurer through subrogation, which can sometimes recover the deductible as well. Rental reimbursement and gap insurance are optional coverages that can matter after a total loss.
Health insurance and liens
Health insurance, Medicare or Medicaid may pay medical bills first and later claim repayment from a settlement. A car accident lawyer usually resolves these liens before funds are distributed. Coverage rules vary by state and by policy, and this article is general information, not legal advice.