Appealing a Medicaid Denial for a Service or Treatment

If you receive a notice of action that you’re being denied Medicaid, you can appeal. Here's how.

By Elizabeth Dickey , J.D. University of Virginia School of Law
Updated by Bethany K. Laurence , Attorney UC Law San Francisco

Updated 3/08/2024

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If you're a Medicaid recipient and your state Medicaid agency or managed care organization won't approve payment for a medical treatment, you have the right to appeal the denial. Every state's Medicaid program is different, but each state is required to follow federal Medicaid rules—including those about fair hearings for Medicaid recipients denied services. (If you were applying for Medicaid coverage for the first time and were denied, see Nolo's article on appealing a denial of Medicaid for ineligibility.) In this article, we'll discuss why Medicaid denies some claims, your right to appeal a Medicaid denial, and how you might get Medicaid to continue paying for medical care during your appeal.

What Types of Claims Does Medicaid Commonly Deny?

Medicaid can deny services for various reasons. Sometimes, it's a simple billing error—your health care provider used the wrong code or billed related services separately instead of bundling them under one code. Medicaid can also deny a claim if you see a provider or try to fill a prescription not covered by your state or managed care plan.

State Medicaid programs are permitted to implement cost-saving measures. So, Medicaid won't pay for treatment that isn't considered "medically necessary." And each state can define medical necessity for its Medicaid program and base its claims approval on that definition and the state's utilization control (money-saving) procedures. (42 CFR 440.230(d).)

So, although federal law requires states to cover things like children's immunizations and prenatal care and delivery, some medical care is optional, and what's covered varies from state to state. Most state Medicaid programs will typically deny claims for elective procedures, including services and treatments, such as: