A Florida doctor’s failure to order a diagnostic test may support a medical malpractice claim when a reasonably prudent similar health care provider would have ordered the test under the same circumstances and the delay caused additional harm. A missed test by itself does not prove negligence.
If you are trying to understand whether a failure to order diagnostic tests in Florida may be malpractice, the central questions are:
- What symptoms, examination findings, risk factors, and prior results were available to the doctor?
- Would a reasonably prudent similar provider have ordered additional testing?
- Would the test probably have identified the condition sooner?
- Would earlier diagnosis and treatment probably have changed the medical outcome?
Faiella & Gulden, P.A. represents patients and families in Orlando, Florida, Winter Park, Florida, and communities throughout the state in medical malpractice matters involving delayed diagnosis and diagnostic errors.
Why a Doctor’s Failure to Order a Test Can Become a Legal Issue 
A doctor is not required to order every available test before making a diagnosis, choosing treatment, or sending a patient home. Testing decisions are based on the information reasonably available at the time, including the patient’s history, reported symptoms, examination findings, vital signs, risk factors, prior records, and test results.
Florida Statutes section 766.102 defines the prevailing professional standard of care as the level of care, skill, and treatment that reasonably prudent similar health care providers would recognize as acceptable and appropriate under similar circumstances. The statute also states that a failure to order, perform, or administer supplemental diagnostic tests is not actionable when the health care provider acted in good faith and with due regard for the prevailing professional standard of care.
The legal question is not simply whether a test was missed. The question is whether a reasonably prudent similar provider should have ordered the test based on the information available at that point in the patient’s care.
When the evidence shows that further testing should have been ordered and the delay caused additional injury, the facts may support a Florida diagnostic error claim.
More information about diagnostic error claims is available here:
https://faiellagulden.com/orlando-diagnostic-error-attorneys/
Warning Signs That May Call for Further Testing
No single symptom automatically requires a specific scan, laboratory panel, cardiac study, biopsy, or specialist referral. The medical context controls the decision. The same symptom can have very different significance depending on your age, medical history, risk factors, vital signs, physical findings, and whether the problem is new, persistent, recurring, or getting worse.
Questions that may matter when a missed diagnostic test is reviewed include:
- Did you report symptoms associated with a potentially serious condition?
- Were your vital signs, laboratory values, imaging findings, or physical examination results abnormal?
- Did you have risk factors that raised concern for a specific condition?
- Did your symptoms persist, return, or worsen after an earlier visit?
- Did a prior test produce an abnormal, incomplete, or unclear result that called for follow-up?
- Did another provider recommend testing or a specialist evaluation that did not occur?
- Were you discharged without reasonable follow-up instructions or return precautions?
- Did later records show that the condition was already developing when you first sought care?
A missed diagnostic test can involve imaging, blood work, cultures, cardiac testing, pathology, prenatal testing, or other diagnostic tools. When the concern involves testing, processing, or reporting by a laboratory, this page may also be relevant:
https://faiellagulden.com/orlando-laboratory-error-lawyers/
Elizabeth has represented plaintiffs in numerous jury trials since 1976. A member of the exclusive Inner Circle of Advocates, Elizabeth is a legal powerhouse who has been given numerous awards and honors--and she's not done yet. The son of a doctor and an attorney, Peter has a unique and in-depth understanding of all the complicated medical and legal issues involved in a malpractice claim. He has won many 7-figure verdicts for clients since joining his mother's firm in 2004. Allison C. McMillen is proud to be a second-generation plaintiffs’ attorney representing victims of medical malpractice, having practiced with her father, attorney Scott R. McMillen, for over a decade before joining the team at Faiella & Gulden, P.A.
Elizabeth H. Faiella
Peter J. "Tres" Gulden, III
Allison C. McMillen
Common Examples of Failure to Order the Right Diagnostic Tests
A failure-to-test claim can arise in many medical settings. The facts must be reviewed individually because the correct diagnostic approach depends on the patient’s condition and the information available to the provider.
Repeated Visits for Worsening Symptoms
One common scenario involves a patient who seeks care more than once for the same problem. A first visit may not clearly point to a serious diagnosis. A later visit may present a different clinical picture if symptoms have progressed, new findings have appeared, or treatment has not helped.
If a patient returns with worsening or persistent symptoms, continuing the same plan without further evaluation may raise questions about whether the diagnostic approach should have changed.
Abnormal Findings That Are Not Investigated
An abnormal finding may call for follow-up testing, repeat testing, referral, or another form of evaluation. Examples can include a suspicious imaging finding, an abnormal laboratory value, unexplained weight loss, persistent bleeding, a new mass, or a result that does not fit the patient’s symptoms.
If follow-up does not occur and a serious condition is diagnosed later, attorneys and medical experts may review whether earlier testing was indicated and whether the delay changed the outcome.
Shannon McLin
Connie Ashley
Cancer Testing and Follow-Up
Cancer cases often involve close review of timing because earlier detection can affect staging, available treatment, and prognosis in some circumstances. A physician may fail to order imaging, a biopsy, repeat testing, or a specialist referral after symptoms or abnormal findings raise concern.
More information about cancer misdiagnosis claims is available here:
https://faiellagulden.com/orlando-cancer-misdiagnosis-attorneys/
Emergency Room Testing Decisions
Emergency departments often make diagnostic decisions under time-sensitive conditions. A patient with symptoms that may suggest a stroke, heart attack, pulmonary embolism, internal bleeding, sepsis, or another urgent condition may require prompt evaluation and testing.
Whether a particular test should have been ordered depends on the clinical circumstances. Emergency room records can be especially useful because they often document arrival time, triage information, vital signs, physician assessments, test orders, test results, treatment, reassessments, and discharge decisions.
More information about emergency room error claims is available here:
https://faiellagulden.com/orlando-emergency-room-error-lawyers/
Why Causation Matters as Much as the Missed Test
Even if a doctor should have ordered a test, a medical malpractice claim generally requires proof that the failure caused injury. Florida law does not create a presumption of negligence merely because a patient suffered a medical injury. The claimant must prove that a breach of the prevailing professional standard of care proximately caused the harm.
This part of a missed diagnostic test malpractice claim often requires detailed medical expert review.
Consider a patient whose cancer is diagnosed several months after an earlier visit. An expert may need to assess:
- Whether the appropriate test probably would have detected the disease at the earlier visit
- Whether the patient probably would have received treatment sooner
- Whether earlier treatment probably would have changed the disease course, treatment options, or outcome
- What additional harm can reasonably be attributed to the delay
The same analysis can apply to infections, cardiac conditions, neurological emergencies, internal injuries, and other illnesses. If timely testing probably would not have changed the outcome, causation may be difficult to establish. If the delay allowed a treatable condition to progress and caused measurable additional harm, the evidence may better support causation.
A missed test becomes a stronger legal issue when the evidence supports both a departure from the professional standard of care and additional harm caused by the delay.
What Evidence Can Show Whether Testing Should Have Been Ordered?
Failure-to-test cases often depend on a detailed timeline. Records created during the patient’s care can show what symptoms were reported, what findings were documented, what diagnoses were considered, what testing occurred, and when the final diagnosis was made.
Relevant evidence may include:
- Primary care, urgent care, specialist, and emergency department notes
- Triage records and vital signs
- Laboratory results and changes over time
- Imaging orders, radiology reports, and available images
- Pathology records
- Prior diagnoses and medical history
- Medication records
- Referral requests and specialist notes
- Patient portal messages
- Telephone records
- Discharge instructions
- Follow-up recommendations
- Records from the provider who eventually made the diagnosis
- Records showing additional treatment, hospitalization, procedures, or complications after the delay
The timeline may show that you reported the same symptom several times, that an abnormal value changed over time, that a provider documented a concerning possible diagnosis, or that follow-up testing was recommended but never completed.
How Florida Medical Malpractice Claims Are Reviewed Before Filing
Florida medical malpractice claims are subject to presuit requirements. Before a medical negligence lawsuit is filed, the claim must be investigated to determine whether reasonable grounds exist to believe that a prospective defendant was negligent and that the negligence resulted in injury.
Florida Statutes section 766.203 requires corroboration of reasonable grounds through a verified written medical expert opinion at the time the notice of intent to initiate medical negligence litigation is mailed.
Florida Statutes section 766.106 also requires presuit notice to prospective defendants before suit is filed. After notice is delivered, the statute provides a 90-day presuit investigation period during which a lawsuit generally may not be filed.
These requirements make early record review valuable. An attorney may need time to obtain complete medical records, identify the health care providers involved, determine which records or images are missing, consult an appropriate medical expert, evaluate causation, and complete the required presuit steps.
If your concern involves delayed care after a condition should have been identified or treated, this page may also help:
https://faiellagulden.com/orlando-delayed-medical-treatment-attorneys/
What Should You Do If You Suspect a Doctor Missed an Important Test?
Your current medical needs should come first. If your symptoms are continuing, worsening, or unexplained, seek appropriate medical evaluation. A second medical opinion may help identify the condition and document what was eventually found.
You can also take practical steps to preserve information that may matter later:
- Request copies of your medical records from every provider and facility involved.
- Keep test results, imaging reports, discharge instructions, medication lists, referral documents, and patient portal messages.
- Write a factual timeline of appointments, symptoms, calls, tests, diagnoses, and major changes in your condition.
- Keep records showing additional treatment, procedures, hospital stays, missed work, or other effects of the delayed diagnosis.
- Preserve original documents without writing on or altering them.
- Avoid assuming that a missing test automatically proves medical malpractice.
- Speak with a medical malpractice attorney before a legal deadline becomes an issue.
An Orlando medical malpractice lawyer reviewing a possible failure-to-test case may compare the medical timeline with the applicable professional standard of care and consult qualified medical experts about whether earlier testing probably would have changed the outcome.
More information about Florida medical malpractice claims is available here:
https://faiellagulden.com/orlando-medical-malpractice-lawyers/
Speak With an Orlando Medical Malpractice Lawyer About a Diagnostic Testing Error
If you or a family member suffered additional harm after a Florida doctor failed to order a diagnostic test, Faiella & Gulden, P.A. can review the medical timeline and discuss whether the facts may support a medical malpractice claim.
The firm centers its practice on medical malpractice matters and represents patients and families in Orlando, Florida, Winter Park, Florida, and communities throughout the state.
Call (407) 470-1225
Request a consultation:
https://faiellagulden.com/contact/
This article is for general informational purposes only. It is not legal advice and does not create an attorney-client relationship. Consult an attorney about your specific situation.
