Uninsured Motorist Accidents in California: How to Get Prescriptions

Amar Lunagaria — Co-Founder & Chief Pharmacist, LienScripts | September 5, 2024 | 7 min read

Hit by an uninsured or underinsured driver in California? You still need prescription medications to recover. Learn how UM/UIM claims affect medication access and how to get prescriptions filled at zero upfront cost while your claim is pending.

Uninsured Motorist Accidents in California: How to Get Prescriptions

California requires all drivers to carry auto insurance, but the reality is that a significant percentage of drivers on California roads are uninsured. The Insurance Research Council estimates that roughly 16% of California motorists lack insurance — that's approximately one in six drivers. If one of them hits you, getting the medical care you need becomes significantly more complicated.

This guide focuses on a specific piece of that puzzle: how to access prescription medications after an uninsured or underinsured motorist accident in California.

[!KEY] After a California uninsured motorist accident, UM/UIM coverage only pays when the claim resolves — a lien-based pharmacy benefit program is the most effective way to fill prescriptions at zero upfront cost while the claim is pending, with no formulary restrictions.

Understanding UM/UIM Coverage in California

California law requires insurance companies to offer uninsured motorist (UM) and underinsured motorist (UIM) coverage to all policyholders. While you can reject this coverage in writing, many Californians carry it — and if you're hit by an uninsured driver, it may be your primary path to compensation.

Uninsured Motorist (UM) Coverage

UM coverage applies when the at-fault driver has no insurance at all. Your own insurance company steps into the shoes of the at-fault driver and pays your claim, up to your policy limits.

Underinsured Motorist (UIM) Coverage

UIM coverage applies when the at-fault driver has insurance, but not enough to cover your damages. If the at-fault driver has California's minimum liability limits ($15,000 per person) and your medical bills alone exceed that, your UIM coverage fills the gap.

The Medication Access Problem

Here's the challenge: UM/UIM claims are made against your own insurance company, and your insurer has every incentive to minimize the payout. Unlike a straightforward third-party claim where you're negotiating with someone else's insurer, a UM/UIM claim creates an adversarial relationship with your own carrier.

This dynamic affects medication access because:

• Your insurer may dispute medical necessity of certain medications
• There's no separate medical payments stream from the at-fault driver's policy
• The claim timeline may be extended as your insurer investigates and potentially disputes coverage
• Policy limits may be lower than what you'd recover in a standard third-party claim

Your Options for Prescription Coverage

After an uninsured motorist accident in California, you have several potential paths to medication access:

1. Medical Payments Coverage (MedPay)

If your auto insurance policy includes Medical Payments Coverage, it can pay for injury-related medical expenses — including prescriptions — regardless of who was at fault. MedPay typically ranges from $1,000 to $10,000 and pays immediately without waiting for the UM/UIM claim to resolve.

MedPay is a first-party benefit, meaning you can use it right away. But the limits are usually modest and can be exhausted quickly if your injuries are significant. Learn more about MedPay and medications.

2. Health Insurance

If you have private health insurance, Covered California, or employer-provided coverage, you can use it for injury-related prescriptions. However, be aware that:

• You may face copays, deductibles, and formulary restrictions
• Your health insurer may assert a lien or subrogation right against your UM/UIM recovery
• Some medications your doctor prescribes may not be on your health plan's formulary

3. Medi-Cal

California's Medicaid program covers prescriptions for eligible patients. If you qualify for Medi-Cal, it can cover injury-related medications. However, Medi-Cal has its own formulary and may require prior authorization for certain drugs. See our guide on Medi-Cal vs. pharmacy liens.

4. Pharmacy Benefit Program (Lien-Based)

A pharmacy benefit program like LienScripts provides prescription coverage on a lien basis — you pay nothing upfront, and the medication costs are resolved from your eventual UM/UIM settlement or arbitration award.

This option is particularly valuable in UM/UIM cases because:

• No formulary restrictions — your doctor's clinical judgment controls
• No copays or deductibles — every prescription is filled at zero upfront cost
• Immediate access — you can start filling prescriptions as soon as your attorney enrolls you
• Comprehensive documentation — detailed pharmacy records support your UM/UIM damages claim
• Works at 70,000+ pharmacies across California and nationwide

[!NOTE] In a California UM/UIM case, your own insurer evaluates damages with a financial incentive to minimize the payout — continuous, timestamped pharmacy records showing consistent medication compliance are especially powerful evidence against treatment-gap arguments.

Why Medication Documentation Matters More in UM/UIM Cases

In a standard third-party personal injury claim, your damages are evaluated by the other driver's insurance adjuster. In a UM/UIM claim, your damages are evaluated by your own insurance company — which has a financial incentive to minimize your claim.

This makes thorough medication documentation even more critical. Your insurer's adjuster (or arbitrator, if the claim goes to arbitration) will scrutinize:

[!KEY] In a California UM/UIM claim your own insurer evaluates and disputes damages — every prescription fill date and dosage in the pharmacy record is objective, timestamped evidence of injury severity that directly counters the insurer's financial incentive to minimize treatment costs.

• Consistency of treatment: Were prescriptions filled regularly, or are there gaps? Treatment gaps can be used to argue your injuries weren't severe.
• Medical necessity: Did the prescribing physician document why each medication was needed? Were there objective findings supporting the prescriptions?
• Reasonableness of costs: Are the medication costs in line with market rates? This is where MERIT reports provide essential benchmarking.
• Causation: Are the prescribed medications directly related to the accident injuries, or could they be for pre-existing conditions?

A pharmacy benefit program that maintains detailed records from day one gives your attorney powerful documentation to counter these challenges.

The UM/UIM Arbitration Process

When UM/UIM claims can't be resolved through negotiation, California law provides for binding arbitration. Under California Insurance Code Section 11580.2, either party can demand arbitration.

During arbitration, medication costs are evaluated as part of your total damages. Having organized pharmacy records — including detailed dispensing histories, pricing documentation, and clinical narratives supporting medical necessity — strengthens your position significantly.

[!KEY] California UM/UIM arbitration evaluates medication costs the same way as settlement — organized pharmacy records with MERIT benchmarking data and clinical necessity narratives give the arbitrator objective standards for upholding medication costs against insurer challenges.

Practical Steps After an Uninsured Motorist Accident

If you've been hit by an uninsured or underinsured driver in California, here's what to do regarding your prescriptions:

1. See a doctor immediately and follow their treatment recommendations, including all prescribed medications
2. Contact a personal injury attorney who handles UM/UIM claims — these cases are complex and benefit from experienced representation
3. Ask your attorney about pharmacy benefit enrollment through a program like LienScripts so cost doesn't prevent you from filling prescriptions
4. Use MedPay if available for immediate expenses while the lien program is being set up
5. Fill every prescription your doctor writes — do not skip or delay medications because of cost concerns
6. Keep all pharmacy receipts and records as part of your case file
7. Attend all follow-up appointments so your doctor can adjust your medication regimen as your recovery progresses

Don't Let an Uninsured Driver Derail Your Recovery

Being hit by an uninsured motorist is frustrating enough without the added stress of wondering how you'll afford your medications. California law provides pathways to compensation through UM/UIM coverage, and pharmacy benefit programs ensure you don't have to wait for that compensation to arrive before starting treatment.

If you're a California patient dealing with a UM/UIM claim, learn how LienScripts can help. If you're an attorney handling UM/UIM cases, see how our program supports your practice.

Your recovery shouldn't depend on whether the other driver followed the law.

Related Resources

• How It Works
• Patient Resources
• California Pharmacy Lien Laws