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Medical misdiagnosis claims

A missed or delayed diagnosis can change your life. If you've experienced harm because of a medical misdiagnosis, we can help you understand your rights and pursue compensation where appropriate.

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What is medical misdiagnosis?

Medical misdiagnosis occurs when a doctor, specialist, or other healthcare professional:

  • fails to diagnose a condition altogether
  • diagnoses the wrong condition
  • delays diagnosis, causing treatment to be delayed
  • misinterprets symptoms, test results, or medical history, leading to incorrect treatment

Diagnostic errors can occur in a range of healthcare settings, including hospitals, emergency departments, specialist clinics, and GP practices.

A misdiagnosis does not automatically mean medical negligence has occurred. However, if the standard of care provided fell below what would reasonably be expected and caused harm, you may have grounds for a claim.

How to make a medical misdiagnosis compensation claim

If a misdiagnosis has caused additional injury, complications, pain and suffering, financial loss, or a poorer health outcome, you may be entitled to seek compensation. To make a successful claim, it is generally necessary to establish:

A healthcare professional failed to provide an appropriate standard of care when diagnosing or treating your condition.

The failure to diagnose, incorrect diagnosis, or delayed diagnosis resulted in avoidable harm or a worsening of your condition.

Medical negligence claims can be complex and often require specialist medical evidence. Seeking legal advice early can help you understand whether you may have a claim and what steps to take next.


How do you prove medical negligence?

Not every diagnostic mistake amounts to negligence. Healthcare professionals are expected to provide care that meets accepted professional standards.

To establish negligence, it must generally be shown that the diagnosis or treatment provided fell below the standard expected of a reasonably competent healthcare professional in similar circumstances. For example, negligence may arise where:

  • symptoms were not properly investigated
  • appropriate testing was not ordered
  • test results were incorrectly interpreted
  • important clinical information was overlooked
  • a diagnosis was delayed when earlier intervention may have prevented further harm.

Independent medical experts are often required to assess whether the care provided met accepted standards and whether the outcome could have been avoided.

Our experienced medical negligence lawyers can help assess the circumstances of your case and explain whether a claim may be available.

What evidence do you need?

Evidence plays an important role in establishing medical negligence and understanding how a misdiagnosis has affected your life. Depending on your circumstances, evidence may include:

Medical notes, hospital records, referral letters, pathology reports, imaging results, and treatment records can help establish what occurred and when.

Medical experts may provide evidence regarding the standard of care expected in the circumstances and whether that standard was met.

Documentation showing loss of income, medical expenses, rehabilitation costs, and future care requirements may be relevant to your claim.

Information about the impact the misdiagnosis has had on your daily life, relationships, and ability to work can help demonstrate the consequences of the negligence.

Our lawyers can assist with obtaining and reviewing the evidence needed to investigate your potential claim.

Common examples of medical misdiagnosis

Medical misdiagnosis can occur across many areas of healthcare. Some of the most common examples include:

Early cancer diagnosis can be critical for treatment outcomes.

A failure to recognise symptoms, investigate concerns appropriately, or correctly interpret test results may delay diagnosis and treatment, allowing the cancer to progress.

Delayed diagnosis can affect treatment options, recovery outcomes and quality of life.

The symptoms of a stroke or heart attack can sometimes be mistaken for less serious conditions.

When stroke or heart attack symptoms are missed, opportunities for early intervention may be lost, potentially leading to permanent disability, ongoing health complications, or sometimes death.

Serious infections such as sepsis, meningitis, and other bacterial infections require urgent diagnosis and treatment.

When warning signs are missed, or symptoms are attributed to another condition, patients may experience severe complications, long-term injury, or life-threatening outcomes.

Impact on your quality of life

Compensation may also consider pain and suffering and the effect the injury has had on your ability to participate in work, family life and daily activities.

Every case is different. Speaking with an experienced medical negligence lawyer can help you understand what compensation may be available in your circumstances.

search Any questions? Check out our FAQs.

Jono’s Story: How a serious infection misdiagnosed as a muscle strain changed my life

Jono had spent much of his life working with horses as a trainer, musterer, and farrier.

While attending a camp drafting event, he felt what he described as a "pop" in his thigh. Initially, he believed he had suffered a muscle injury. When he sought medical attention, he was repeatedly reassured that the problem was simply a strain.

However, Jono knew something wasn't right.

By the following evening, his condition had deteriorated significantly, and he was taken back to hospital by ambulance. Doctors finally identified what had previously been missed: a serious flesh-eating infection requiring urgent treatment.

The delay in diagnosis meant Jono faced a medical emergency that required extensive medical intervention.

As a result of the delayed diagnosis, Jono now lives with significant scarring, ongoing pain, and restricted movement in his leg.

When he realised the impact the misdiagnosis would have on his future, Jono turned to Maurice Blackburn for advice about his rights and options.

Taking legal action after a medical misdiagnosis

Depending on the circumstances, a claim may arise against:

  • general practitioners
  • specialists
  • hospitals
  • emergency departments
  • medical clinics
  • other healthcare providers involved in your care

Medical negligence claims often involve reviewing extensive medical records and obtaining independent expert evidence.

Our team can explain the legal process, investigate what happened, and help you understand whether pursuing a claim is the right option for you.

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Our lawyers will work with you through every step of the process

Medical misdiagnosis can leave you facing uncertainty about your health, your future, and your rights.

Our medical negligence lawyers have extensive experience helping people harmed by delayed, missed, or incorrect diagnoses. We understand how difficult this experience can be and provide clear, practical advice.

We offer No Win, No Fee arrangements for many of our legal services.

Our goal is to make it easier for people to access legal support when they need it most, while keeping costs as low as possible.

Frequently asked questions about medical misdiagnosis

If you believe your condition was incorrectly diagnosed or your diagnosis was delayed, there are practical steps you can take.

  • Seek a second opinion: another healthcare professional may be able to confirm whether the diagnosis was incorrect or delayed
  • Obtain your medical records: medical records can provide important information about your diagnosis, treatment and care
  • Keep records of your experience: document your symptoms, treatment, appointments, expenses, and the impact the misdiagnosis has had on your life
  • Seek legal advice: an experienced medical negligence lawyer can assess your situation and explain your rights and options.

You don't need to navigate the process alone. We're here to help you understand what happened and what steps may be available to you.

Strict time limits apply to medical negligence claims. The applicable limitation period will depend on factors such as:

  • where the negligence occurred
  • when the injury was discovered
  • your age at the time of the negligence
  • whether any special circumstances apply

Missing a time limit can affect your ability to pursue a claim, so it's important to seek legal advice as soon as possible if you believe you've been harmed by a medical misdiagnosis.

  • The amount of compensation available depends on the individual circumstances of each case. Factors that may influence compensation include:
  • The extent of your injuries: the severity of the injury or complications caused by the misdiagnosis will be a key consideration
  • Financial losses: compensation may take into account loss of income and future earning capacity, medical and treatment expenses, rehabilitation costs, as well as care and assistance requirements

Our lawyers will work with you through every step of the process

Take the first step towards justice and support. Our team of dedicated medical negligence lawyers are here to listen to your story and provide expert legal assistance and support.

Contact us today for a confidential, no-obligation consultation.

Need to speak to us sooner? Call us on 1800 111 222


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We have lawyers who specialise in a range of legal claims who travel to Australian Capital Territory. If you need a lawyer in Canberra or elsewhere in Australian Capital Territory, please call us on 1800 675 346.

We have lawyers who specialise in a range of legal claims who travel to Tasmania. If you need a lawyer in Hobart, Launceston or elsewhere in Tasmania, please call us on 1800 675 346.