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Phoenix Personal Injury Lawyers
2700 N Central Ave Suite 320, Phoenix, AZ 85004, United States
Phone: (602) 905-7766
Call us at (855) 855-8910
Call us at (855) 855-8910
In Phoenix, a wrong or delayed diagnosis turns a treatable condition into a life-threatening one. It happens more than you'd think. Research from Johns Hopkins [1] estimates that nearly 800,000 Americans die or suffer permanent disability from diagnostic errors every year. Our misdiagnosis lawyers at The Simon Law Group hold Phoenix doctors and hospitals accountable when diagnostic failures cause harm. Call (602) 905-7766 for a free case review. You pay nothing unless we win.
Medical misdiagnosis happens when a doctor fails to correctly identify your condition, and that failure falls below the accepted standard of care. It's not just getting the diagnosis wrong. It includes missing the diagnosis entirely or catching it too late.
Three types of diagnostic errors lead to malpractice claims:
Each one causes different harm. All three are grounds for a malpractice claim when they fall below the standard of care.
Not all diagnostic mistakes look the same. The type of error that happened to you affects how your case is built and what you need to prove.
Your doctor told you it was acid reflux. Prescribed antacids. Months later, a different doctor finds esophageal cancer. Meanwhile, you've been taking medication for a condition you never had while the real problem grew unchecked.
That's misdiagnosis. The wrong label leads to the wrong treatment, and the right condition goes unaddressed.
You went to a Phoenix ER with chest pain. They ran a basic EKG, said you were fine, and sent you home. Two days later, you had a heart attack. The signs were there. Nobody followed up.
Failure to diagnose means the doctor missed it completely. You walked out thinking you were healthy.
Your doctor eventually figured out it was cancer. But only after six months of "let's wait and see." By then, a Stage 1 tumor had progressed to Stage 3, and your treatment options had narrowed.
The distinction matters for your legal claim. A delayed diagnosis case hinges on proving that earlier detection would have changed your outcome.
A missed diagnosis often leads to unnecessary procedures, and the downstream harm frequently becomes one of our surgical malpractice cases against the same hospital system.
Some conditions get missed or misidentified far more than others. Three categories account for over 75% of serious diagnostic injuries [1].
Lung, breast, and colorectal cancers top the list. Early symptoms mimic common complaints. A persistent cough gets written off as allergies. A lump gets called a cyst. By the time someone orders the right imaging or biopsy, the cancer has spread.
Vascular events are the second biggest category. Heart attacks in women get dismissed as anxiety or stress. Strokes get mistaken for migraines or vertigo. These conditions have narrow treatment windows. Every hour of delay causes more damage.
Sepsis, meningitis, and pneumonia kill quickly when missed. The early symptoms, fever, fatigue, body aches, look like the flu. A doctor who stops there and doesn't dig deeper puts you at serious risk. By the time the infection is caught, it's often spread.
Pulmonary embolism, appendicitis, and diabetes round out the list. These share a pattern: early symptoms that overlap with less dangerous conditions. When doctors don't run through a proper differential diagnosis, checking and eliminating each possibility, these conditions slip through.
Missed preeclampsia and gestational diabetes diagnoses are among the most damaging misreads we see, and they frequently evolve into obstetric negligence cases when the mother or newborn suffers permanent harm.
You don't need a medical degree to sense something isn't right. These red flags suggest your doctor got it wrong.
Your treatment isn't working. You've been following the prescribed plan for weeks or months, and your symptoms haven't improved. They're actually getting worse. That's a sign the underlying problem hasn't been identified.
Your doctor dismissed your complaints. You described your symptoms. Your doctor waved them off without ordering tests or imaging. "It's probably stress" is not a diagnosis.
No referral to a specialist. Your symptoms are persistent and worsening, but your primary care doctor hasn't sent you to someone with specialized training. For conditions like cancer or cardiac issues, a generalist's assessment isn't enough.
Test results fell through the cracks. Blood work or imaging was ordered, but nobody called you with results. Or worse, abnormal results were filed without follow-up. This happens more than it should, especially in busy Phoenix medical offices.
A second doctor finds something different. You see a new provider, and within one visit they identify a condition your original doctor missed entirely. That contrast tells you a lot.
The diagnosis doesn't match your symptoms. You were told it's one thing, but the symptoms you're experiencing don't line up. Your body is giving you information. Pay attention to it.
You just found out your doctor got it wrong. Here's what we tell clients to do right away.
Find a different doctor. Not someone in the same practice, not a referral from the doctor who missed it. Go to a separate medical group or hospital. An independent physician reviewing your case gives you an honest assessment and creates a medical record outside the original provider's control.
Every test, every note, every referral request, you have a legal right to all of it under Arizona law. Submit a written request to every provider who saw you. Keep copies of everything.
Write down what you're feeling, when it started, and how it's progressed. Include dates of every doctor visit and what you were told. This timeline becomes evidence if you file a claim.
If the hospital or doctor's office contacts you with paperwork, hold off. Don't give recorded statements to their risk management team or any insurance company. What you say gets used against you.
Arizona gives you two years from the date you discovered the error. That clock is ticking. Medical malpractice cases require expert review, record analysis, and careful preparation. The earlier you start, the stronger the case. Call our Phoenix office at (602) 905-7766.
Medical malpractice claims are harder to win than standard injury cases. Arizona law sets a high bar, and there are procedural hoops you have to clear before your case even gets to a jury.
Every misdiagnosis claim in Arizona requires proof of:
All four. Drop one and the case doesn't move.
Before your lawsuit proceeds, Arizona law (A.R.S. 12-2603) [2] requires a preliminary expert opinion. A qualified physician must review your case and certify in writing that the doctor breached the standard of care. No affidavit, no lawsuit. We handle the expert retention process.
Your case lives or dies on expert testimony. A physician in the same specialty as the doctor who misdiagnosed you has to explain what should have been done differently, and how that failure caused your injury. We work with medical experts who testify regularly in Maricopa County Superior Court.
Two years from when you discovered, or should have discovered, the diagnostic error. That's your window under A.R.S. 12-542. The discovery rule matters here because misdiagnosis harm often shows up months or years after the original appointment. A cancer that went undetected for a year doesn't reveal itself until symptoms escalate. The clock starts when you learn the diagnosis was wrong, not when the original appointment happened.
Don't wait to find out if the discovery rule covers you. Call sooner.
The proof burden in misdiagnosis cases follows the same blueprint as every other category of Arizona medical malpractice claims — duty, breach, causation, damages, all supported by a qualified medical expert.
Arizona is one of the best states for injured patients when it comes to damages. The Arizona Constitution (Article 2, Section 31) [3] bans caps on personal injury damages. No limits on what a jury awards.
These are the numbers you can calculate:
These cover the personal cost:
Arizona recognizes loss of chance claims. Even if the misdiagnosis didn't eliminate your chance of survival, reducing that chance is enough. A cancer caught at Stage 1 has a very different prognosis than one caught at Stage 3. If the delayed diagnosis took away treatment options or reduced your odds, that's compensable.
When a missed or wrong diagnosis proves fatal, Arizona lets surviving spouses, children, and parents file a wrongful death claim. Funeral costs, lost financial support, and loss of companionship are all recoverable.
We take misdiagnosis cases on contingency. No retainer. No hourly billing. No out-of-pocket costs. Our fee comes from the recovery. If we don't win, you owe us nothing.
Misdiagnosis cases are among the hardest medical malpractice claims to prove. You need expert physicians willing to testify, detailed record analysis, and attorneys who understand both the medicine and the law.
Our team brings over 250 years of combined legal experience and has recovered more than $250 million for injury clients. We front every cost, from expert witness fees to court filings. You pay nothing out of pocket.
Our Phoenix office is at 2700 N Central Ave, Suite 320, in downtown Phoenix. We're available 24 hours a day, 7 days a week because diagnostic emergencies don't wait for business hours.
Call (602) 905-7766 any time.
Sources:
[1] Johns Hopkins Medicine - Diagnostic Error Harms in the U.S. (2023)
[2] Arizona Revised Statutes 12-2603 - Preliminary Expert Opinion Affidavit
[3] Arizona Constitution, Article 2, Section 31 - No Damage Caps
Misdiagnosis cases demand the same institutional firepower we bring to serious injury claims throughout Phoenix — deep expert rosters, early evidence preservation, and the willingness to try the case.
Our attorneys have handled personal injury cases across Arizona and California. We know how Phoenix insurance companies operate, and we know how to push back.
That number reflects real results for real families — medical bills paid, lost wages recovered, and futures protected.
You pay nothing upfront. Our fee comes out of your settlement or verdict. If we do not win your case, you owe us nothing.
Accidents do not follow business hours. Neither do we. Call (602) 905-7766 any time — nights, weekends, and holidays.
Our Phoenix team works out of 2700 N Central Ave, Suite 320. We know the roads, the courts, and the insurance adjusters you are up against.
“After a crash, you need a team that answers the phone, explains your options, and fights for every dollar you are owed. That is what we do at The Simon Law Group.”
Over 250 years of combined attorney experience
Phoenix office at 2700 N Central Ave, Suite 320 |
Licensed in Arizona and California
Yes. If the doctor's diagnostic error fell below the accepted standard of care and it directly caused you harm, you have a valid malpractice claim. Not every wrong diagnosis is malpractice, but preventable errors that cause injury are actionable under Arizona law.
Two years from when you discovered or should have discovered the diagnostic error. The discovery rule is important because misdiagnosis harm often isn't apparent right away. A cancer missed during a routine screening might not surface for months or years.
Misdiagnosis means the doctor identified the wrong condition. Failure to diagnose means the doctor missed it entirely. Both support a malpractice claim if they fall below the standard of care and cause harm.
Yes. Arizona requires a preliminary expert opinion, called an affidavit of merit, confirming the doctor breached the standard of care. A physician in the same specialty must review your case and certify the breach in writing. We handle this for you.
Arizona recognizes loss of chance claims. If the diagnostic delay reduced your chance of recovery or survival, even without eliminating it completely, you have grounds for a claim.
No. The Arizona Constitution prohibits caps on personal injury damages. There's no ceiling on economic or non-economic damages, including pain and suffering.
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