Signing a consent form does not always mean you received the information you needed to make a decision about your medical care. If a procedure left you injured and you later learned about a risk or an alternative that was never explained, you may have questions about whether your consent was truly informed.
Lack of informed consent can support a medical malpractice claim in New York, even when the procedure itself was performed properly. However, an incomplete explanation alone is not enough. You must also show that a reasonably prudent person in your position would have declined the treatment if fully informed and that the procedure caused your injury.
Understanding these requirements can help you evaluate what happened and what evidence may support a claim.
Key Takeaways: Can Lack of Informed Consent Be Medical Malpractice in New York?
- New York recognizes lack of informed consent as a distinct basis for a medical malpractice claim.
- Providers must explain the reasonably foreseeable risks, benefits, and alternatives that a reasonable practitioner would disclose under similar circumstances.
- A patient must show that a reasonably prudent person in the same position would have declined the treatment if fully informed.
- The procedure performed without adequate informed consent must have caused the injury.
- A signed consent form does not automatically defeat a claim.
- The general filing deadline is two years and six months, but claims involving public hospitals can have much earlier deadlines.
What Does Informed Consent Require in New York?
Informed consent means receiving enough information to make a knowledgeable decision about proposed medical care. Under New York Public Health Law § 2805-d, providers must explain the alternatives and reasonably foreseeable risks and benefits that a reasonable practitioner would disclose under similar circumstances.
The explanation must also be presented in a way the patient can understand. Handing someone a form filled with unfamiliar medical terms may not resolve whether the provider adequately explained the procedure.
For patients in New York general hospitals, informed consent before non-emergency treatment includes information about:
- The proposed procedure or treatment
- Why it is recommended
- Its reasonably foreseeable risks and benefits
- Available alternatives, if any
Hospitals must document informed consent in the medical record. However, documentation is only part of the picture. What the provider actually explained, whether the patient could understand that explanation, and what questions were answered can all matter.
How Is Lack of Informed Consent Different From Medical Negligence?
Both can support a medical malpractice claim, but they address different failures.
A medical negligence claim asks whether the provider departed from accepted medical practice and caused an injury. For example, a surgeon may have damaged an organ by using an improper surgical technique.
An informed consent claim focuses on the information provided before treatment. A procedure may have been performed correctly, yet still cause an injury from a risk the provider should have explained.
The two claims can also arise from the same care. In Ford v. Litvak, a March 2026 appellate decision, a patient underwent gallbladder surgery, but the surgeon could not locate the organ. A later MRI showed that the patient did not have a gallbladder. The court allowed both the medical negligence and informed consent claims to continue because factual disputes remained.
That ruling did not establish that the surgeon was liable. It meant the claims could not be resolved before trial on the evidence presented.
When Can Lack of Informed Consent Support a Claim?
New York’s statute covers non-emergency treatment, procedures, and surgery, as well as diagnostic procedures that invade or disrupt the body. Courts generally require an affirmative treatment or procedure involving bodily invasion or disruption.
An informed consent claim ordinarily concerns something the patient actually underwent. It generally does not apply when the alleged injury resulted from a provider’s failure to recommend, perform, or timely provide needed treatment.
For example, if a doctor fails to recommend surgery and a condition worsens, that failure may support a medical negligence claim. It does not ordinarily become an informed consent claim simply because the doctor failed to explain the surgery as an option.
The distinction depends on what caused the injury. Was it a procedure the patient underwent without adequate information, or was it needed care the provider failed to provide?
What Must a Patient Prove in an Informed Consent Case?
A patient generally must establish three connected elements.
The provider failed to disclose required information. The question is whether a reasonable practitioner under similar circumstances would have explained the missing risks, benefits, or alternatives.
A reasonably prudent person would have declined the treatment. This is evaluated from the perspective of a reasonable person in the patient’s position. The patient’s condition, available alternatives, and the risks of proceeding or declining can affect that assessment. A later statement that “I would never have agreed” may not be enough by itself.
The procedure caused the injury. The disclosure failure must be connected to the harm. It is not enough to identify something the provider did not explain if it had no relationship to the injury being claimed.
For example, a claim may involve a patient who suffered permanent nerve damage from an undisclosed surgical risk. The evidence would need to address whether that risk should have been explained, whether a reasonable person in the patient’s circumstances would have declined the surgery, and whether the surgery caused the nerve damage.
Expert medical evidence generally plays a necessary role in establishing inadequate disclosure and explaining the medical connection between the procedure and the injury.
Does Signing a Consent Form Prevent a Lawsuit?
A signed consent form does not automatically prevent an informed consent claim. Courts consider the form alongside other evidence of the consent process.
In Delos-Santos v. Kaisman, the court found that a signed form and deposition testimony left a factual dispute about whether the patient had been informed of a spinal procedure’s risks, benefits, and alternatives in a language she could understand.
At the same time, a detailed consent form supported by medical records, testimony, and expert evidence can help establish that adequate information was provided. The outcome depends on the full record.
Evidence that may help show what was communicated includes:
- Procedure-specific consent forms
- Physician and nursing notes
- Patient instructions and educational materials
- Portal messages, letters, and other communications
- Interpreter records and documented language needs
- Records of questions about risks or alternatives
- Testimony from the patient and medical professionals
Evidence developed during the medical malpractice discovery process can also reveal differences between what the records say and what the parties remember.
What Exceptions and Defenses Can Affect an Informed Consent Claim?
New York law recognizes several defenses to an informed consent claim. A provider may argue that:
- The undisclosed risk was too commonly known to require an explanation.
- The patient said they would proceed regardless of the risk or did not want the information.
- Obtaining consent from the patient or someone authorized to act for them was not reasonably possible.
- The provider reasonably limited the manner or extent of disclosure because fuller disclosure could substantially harm the patient’s condition.
These defenses depend on the circumstances. They do not give providers unrestricted permission to withhold information or proceed without consent.
Emergency care also requires a careful distinction. New York law can permit treatment without consent when an emergency creates an immediate need for medical attention and attempting to obtain consent would delay treatment and increase the risk to the patient’s life or health. Simply receiving care in an emergency department does not mean every consent requirement disappears.
An emergency does not automatically override a capable adult’s right to refuse treatment. A known, legally effective prior refusal may also limit what providers can do.
If an injury resulted from negligent emergency treatment, a medical negligence claim may still be available even when the provider was legally permitted to proceed without consent.
What Deadline Applies to an Informed Consent Claim in New York?
An informed consent claim generally follows New York’s medical malpractice filing deadline: two years and six months from the act or omission at issue.
Learning later that a risk was not disclosed does not ordinarily start a new filing period.
The continuous treatment rule may extend the time when qualifying treatment continues for the same illness, injury, or condition involved in the alleged malpractice. However, later appointments with the same provider do not automatically qualify.
New York also has special rules for certain foreign-object and missed-cancer-diagnosis claims. Those rules do not automatically extend a separate informed consent claim simply because both claims arise from the same course of care.
Claims involving public hospitals require particular attention. For example, a claim against NYC Health + Hospitals generally requires a notice of claim within 90 days and commencement of the malpractice lawsuit within one year and 90 days, subject to applicable exceptions and tolls. Other public providers can have different requirements.
Because the correct deadline depends on the provider and the facts, it is best to have the dates reviewed promptly. You do not need to wait until you have collected every medical record before seeking legal guidance.
Does New York Require a Certificate of Merit?
When an attorney files a medical malpractice complaint in New York, the complaint generally must be accompanied by a certificate of merit under CPLR 3012-a.
The certificate states that the attorney reviewed the facts, consulted a physician licensed in New York or another state who is believed to be knowledgeable about the issues, and concluded that there is a reasonable basis for the lawsuit.
The certificate is prepared by the attorney. It is not a medical expert’s report, and it does not prove that malpractice occurred.
The law allows alternative procedures in certain circumstances. For example, when an approaching filing deadline prevents the required consultation, the attorney can submit an alternative certificate and generally must file the consultation-based certificate within 90 days after service of the complaint.
Requested medical records that have not been produced can also affect when the certificate must be served. That does not, by itself, extend the deadline for starting the lawsuit.
Expert review often begins before filing and continues as the case develops. Expert testimony and opinions used to prove the claim are separate from the attorney’s certificate of merit.
Frequently Asked Questions
Does New York’s informed consent law apply to dentists and podiatrists?
New York’s statute covers medical, dental, and podiatric malpractice. The same basic requirements concerning disclosure, the patient’s decision, and causation apply.
Can an elective or cosmetic procedure support an informed consent claim?
Elective and cosmetic procedures can fall within the law’s scope. The patient must still establish inadequate disclosure, that a reasonably prudent person in the same position would have declined the procedure, and that the procedure caused the injury.
Must a hospital provide an interpreter for the consent discussion?
New York general hospitals must provide skilled interpreter services for patients who need language assistance. These services are free.
A hospital generally cannot require a patient to rely on a friend or family member. Under the applicable rules, using that person as an interpreter requires the patient’s agreement after free interpreter services have been offered and refused.
What if the patient is unconscious or cannot make medical decisions?
Consent may need to come from someone legally authorized to act for the patient. The applicable rules depend on the patient’s circumstances, including age, decision-making ability, and whether the situation is an emergency.
A patient’s inability to consent personally does not automatically mean the provider can proceed without seeking authorization.
Must a provider explain the risks of refusing treatment?
New York hospital patients have a right to be told the reasonably foreseeable consequences of refusing treatment. However, a claim based on a failure to recommend or provide needed care is generally evaluated as medical negligence rather than lack of informed consent.
Can I request copies of my consent forms and hospital records?
Patients generally have a right to request their hospital records, including consent documents contained in the chart. Hospitals may charge a reasonable copying fee, but they cannot deny a copy solely because the patient cannot afford to pay.
Get Legal Help With Brandon J. Broderick, Attorney at Law
If you were injured after a procedure and believe important risks or alternatives were never explained, Brandon J. Broderick, Attorney at Law, can review the circumstances and help determine whether you may have a medical malpractice claim.
Our team can help obtain relevant medical records, evaluate what was disclosed, and identify the deadlines that apply to your case. You do not need to have all the answers before reaching out.
We offer a free consultation, and our team is available 24/7. Contact us today.