
When you undergo a medical test, you depend on your physician to review the results carefully and communicate the findings. Whether the test is a blood panel, MRI, or biopsy, these results often determine the next step in your care. If a doctor fails to review or respond to important results, the consequences can be severe.
Many patients ask: Can I sue a doctor for ignoring test results? In Missouri, the answer may be yes. When a healthcare provider neglects to review, interpret, or communicate diagnostic information and that failure causes harm, the conduct may constitute medical negligence under state law.
What Happens When Doctors Ignore Test Results
Each diagnostic test a healthcare provider orders carries a duty to follow up. Physicians must review and interpret results correctly and share relevant information with patients and other treating professionals. Ignoring this duty can lead to preventable harm or delayed treatment.
Some common scenarios include:
- Overlooking or minimizing abnormal blood test results,
- Failing to follow up on scans or imaging reports,
- Ignoring pathology findings indicating cancer or infection,
- Misplacing or failing to review results before a condition worsens, or
- Failing to notify a patient about urgent or time-sensitive findings.
When a doctor’s oversight causes an illness to progress or prevents timely treatment, that neglect may give rise to a doctor’s missed diagnosis lawsuit.
When Ignoring Test Results Becomes Negligence
Not every delay or oversight amounts to malpractice. To establish liability, the evidence must show that the doctor’s actions fell below the recognized standard of care. In Missouri, this standard is defined as the level of care a reasonably skilled physician would have provided under similar circumstances.
Negligence may occur when a provider:
- Receives test results but fails to review them promptly,
- Misinterprets findings or dismisses abnormal indicators,
- Neglects to communicate critical results to the patient or other physicians,
- Disregards recommendations from the testing laboratory, or
- Omits necessary follow-up tests or treatment despite known abnormalities.
When these errors lead to measurable harm, the injured patient may have grounds to sue a doctor for ignoring test results and seek compensation for damages.
The Consequences of Ignored Test Results
Missed or unreviewed test results can have far-reaching consequences. Many conditions, especially cancers, infections, and cardiovascular diseases, require quick action to prevent deterioration. When communication breaks down, patients often lose that opportunity.
Consequences of a delayed diagnosis due to ignored tests may include:
- Progression of an otherwise treatable condition,
- Need for more aggressive or invasive procedures,
- Permanent disability or loss of function,
- Prolonged pain or emotional trauma, and
- Increased healthcare costs or extended hospitalization.
A simple oversight can turn a manageable medical issue into a life-altering injury, and when that happens, a medical malpractice lawsuit may be possible.
How to Prove Medical Negligence in Missouri
Missouri law requires proof that a healthcare provider’s inaction caused direct harm. These claims often depend on expert testimony from medical professionals who can establish what a competent provider should have done.
The essential elements of a medical negligence claim include:
- Duty of care—the doctor had a legal obligation to review or act on the results;
- Breach of duty—the physician failed to meet professional standards by ignoring or mishandling the results;
- Causation—the inaction directly led to injury or worsened health; and
- Damages—the patient experienced measurable losses, including medical expenses or reduced quality of life.
At Dempsey Kingsland & Osteen, our attorneys partner with in-house medical experts to identify where the breakdown occurred. This collaboration between legal and medical professionals allows us to present well-supported claims demonstrating the factual and clinical aspects of negligence.
Failure to Follow Up on Lab Results
Failing to follow up on lab results is one of the most frequent forms of diagnostic negligence. Even with modern electronic systems, results can still be overlooked when staff are overextended or communication channels fail.
When abnormal test data, such as infection markers or cancer indicators, go unaddressed, patients may lose critical time for intervention. Missouri courts recognize that physicians must not only order tests but also interpret and communicate results within a reasonable timeframe.
Hospitals and clinics should maintain reliable systems for managing diagnostic information. When those systems fail and a patient suffers harm, the facility and the provider may share liability.
What to Do If You Suspect Negligence
If you suspect your doctor ignored or mishandled your test results, take action immediately.
- Obtain your medical records—request full copies of test orders, results, and provider notes;
- Seek another medical opinion—a new physician can evaluate whether earlier treatment might have altered your outcome;
- Keep detailed documentation—record dates, communications, and any worsening symptoms; and
- Consult a medical malpractice attorney—a lawyer experienced in Missouri malpractice claims can determine whether the failure meets the legal standard for negligence.
The attorneys and medical professionals at Dempsey Kingsland & Osteen thoroughly investigate every case to determine how medical communication failed and whether that failure violated state law.
Compensation Available for Victims
Patients who succeed in a malpractice claim may recover compensation for financial and non-financial losses, including:
- Past and future medical costs,
- Lost wages and reduced earning capacity,
- Physical pain and emotional suffering,
- Loss of enjoyment of life, and
- Funeral and burial expenses in wrongful death cases.
Missouri generally requires victims to file medical malpractice claims within two years of the injury or discovery of negligence. Because exceptions and deadlines vary, consulting an attorney early ensures your rights are protected.
Protecting Your Health and Your Rights
When a physician ignores crucial test results, the consequences can reshape your health and future. You deserve clarity, accountability, and the opportunity to hold negligent professionals responsible.
At Dempsey Kingsland & Osteen, we combine medical insight with trial experience to uncover how errors occur and how they affect our clients’ lives. Our team works with leading specialists, evaluates complex medical data, and builds strong cases that pursue full compensation.
If you suspect your test results were ignored or mishandled. Contact Dempsey Kingsland & Osteen today at (816) 421-6868 for a confidential consultation. Our Kansas City-based firm is recognized throughout Missouri for excellence in medical malpractice litigation and a deep commitment to clients harmed by preventable medical errors.

