Filing a Medical Malpractice Claim in Alabama? Here’s What to Know About the Expert Affidavit Requirement


Executive Summary: Alabama law requires anyone filing a medical malpractice lawsuit to include an expert affidavit from a qualified medical professional. This affidavit must show that the provider violated the standard of care and caused harm. Without it, your case may be dismissed. The affidavit must be filed with the initial complaint, and the person signing it must work in the same field as the defendant.


You expected to get better, but something went wrong. A diagnosis was missed. A procedure didn’t go as planned. Now you’re looking into a medical malpractice lawsuit. But before you can even get started, Alabama law puts one key requirement in your path: an expert affidavit.

Without this document, your case likely won’t even get off the ground. Here’s what the law requires, who needs to provide it, and why it matters more than most people realize.

What Is an Expert Affidavit in a Medical Malpractice Case?

In Alabama, when you file a medical malpractice lawsuit, you’re required to include a sworn written statement from a qualified medical professional who believes the healthcare provider acted below the standard of care and that this caused harm.

This is known as an expert affidavit of merit, and it’s required under Alabama Code § 6-5-548. If you don’t include it or if it’s incomplete, your case may be dismissed before it even reaches discovery.

Why Does Alabama Require This?

Medical malpractice claims involve technical issues that judges and juries aren’t trained to evaluate without help. The law assumes that only a qualified medical professional can determine whether another provider made an avoidable mistake.

By requiring this affidavit up front, Alabama courts try to weed out weak or unfounded claims early, saving time and resources. But that also means the burden is on the injured patient to meet this requirement right away, even before full evidence is available.

What Must the Affidavit Include?

The affidavit must:

  • Be signed by a medical professional in the same field or specialty as the defendant
  • State that the provider breached the standard of care
  • Explain how that breach caused injury or harm to the patient
  • Be based on the expert’s knowledge, experience, and review of medical records

It doesn’t need to be long, but it must be clear, detailed, and specific. For example, if a surgeon left a surgical tool inside a patient, the affidavit must come from another qualified surgeon who can explain how that mistake wouldn’t happen under normal circumstances and how it led to complications.

Who Qualifies as an “Expert” Under Alabama Law?

Alabama courts follow the “similarly situated” rule, which means the affidavit must come from a medical professional who:

  • Practices in the same area of medicine
  • Has relevant training and experience
  • Is familiar with the applicable standard of care

A general practitioner can’t usually testify about a neurosurgeon’s mistake, and a nurse typically can’t provide an affidavit against a physician. The qualifications must match the defendant’s role and area of practice.

Are There Any Exceptions?

There are very few. In rare cases, courts may excuse the requirement if the issue is so obvious that no medical knowledge is needed, such as operating on the wrong limb or leaving a sponge inside a patient. But even in those situations, plaintiffs are still advised to submit an affidavit to strengthen the case.

When Must the Affidavit Be Filed?

The affidavit is usually required at the time the complaint is filed. In some cases, Alabama courts may allow a short extension if the statute of limitations is close to running out and the plaintiff can show good cause for the delay. Still, this is a deadline you can’t afford to miss.

What Happens If You Don’t File the Affidavit?

Without an affidavit, the court will likely dismiss the case with prejudice, which means you can’t refile it. Even if you have a strong claim, skipping this step can end it before it starts. Judges across Alabama have consistently enforced this rule, even in serious injury cases, when the affidavit was missing, incomplete, or came from someone in the wrong specialty.

If you’re thinking about filing a medical malpractice claim in Alabama, the expert affidavit is not just paperwork, it’s your case’s foundation. Without it, the court won’t hear your story. With it, you can move forward, demand accountability, and seek the recovery you deserve.

At John M. Totten, P.C., we help clients build strong malpractice cases from the ground up, including working with qualified professionals to meet affidavit requirements. If you think you were injured by a medical mistake, call us first. We’ll help you get it right from day one.

John M. Totten