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Court-Ordered Blood Tests and Medical Discovery in NY Personal Injury Cases
Discovery

Court-Ordered Blood Tests and Medical Discovery in NY Personal Injury Cases

By Jason Tenenbaum 8 min read

Key Takeaway

Learn when NY courts can compel blood tests and medical exams in personal injury litigation. Expert guidance on CPLR 3121 & medical discovery. Call 516-750-0595

Understanding Court-Ordered Medical Testing in New York Personal Injury Litigation

In the complex world of personal injury litigation on Long Island and throughout New York City, parties sometimes face requests for invasive medical testing as part of the discovery process. Understanding when courts can compel such testing—and when they cannot—is crucial for both plaintiffs and defendants navigating these challenging legal waters.

Medical testing ordered by the court during litigation raises important questions about privacy rights, the physician-patient privilege, and the balance between a party’s right to discovery and an individual’s right to bodily autonomy. Recent court decisions continue to shape the boundaries of what testing can be compelled and under what circumstances.

The Landmark Case: When Blood Tests Can Be Compelled

We see here an interesting case where a defendant is forced to undergo a somewhat invasive test. The Court was steadfast in its holding in Welter v Feigenbaum , 2010 NY Slip Op 00012 (1st Dept 2010) that a test ordered during litigation is exempt from the 3121 privilege. This is a very interesting case when dealing with certain issues involving no-fault’s big sister, 5102(d) litigation.

“A plaintiff, in an action for negligent transmittal of genital herpes simplex II, may demand that the defendant submit to a blood test to determine if the latter indeed has the virus (see CPLR 3121). Since the test was ordered in conjunction with the litigation, it is not subject to the physician-patient privilege (see Connors, McKinney’s CPLR Practice Commentary C3121:2). Even were the privilege to apply, defendant waived it by asserting the affirmative defense that he was asymptomatic (see e.g. Dillenbeck v Hess, 73 NY2d 278, 287-288 ).”

CPLR 3121 provides the statutory framework for compelling physical examinations in New York civil litigation. This rule allows courts to order medical examinations when a party’s physical or mental condition is in controversy. The Welter case demonstrates how this rule applies even when the requested testing is invasive or uncomfortable.

Key elements of CPLR 3121 include:

  • The condition must be in controversy in the action
  • Good cause must be shown for the examination
  • The examination must be conducted by a qualified professional
  • The scope must be reasonable and related to the issues in the case
  • Proper notice must be given to all parties

Long Island and NYC Context: When Medical Testing Becomes Evidence

In personal injury cases throughout Nassau County, Suffolk County, and the five boroughs, compelled medical testing often becomes a crucial battleground. Local hospitals and medical facilities frequently become involved in litigation where the results of medical tests can determine liability and damages.

Common Scenarios for Compelled Testing in Local Practice

Courts in the New York metropolitan area regularly encounter requests for compelled medical testing in cases involving:

  • Sexually transmitted disease transmission claims
  • Drug and alcohol testing in motor vehicle accidents
  • DNA testing in paternity-related personal injury cases
  • Blood work to determine pre-existing medical conditions
  • Psychological evaluations in emotional distress claims
  • Independent medical examinations (IMEs) for disability claims

The Physician-Patient Privilege Exception

One of the most significant aspects of the Welter decision is its clarification of when the physician-patient privilege does not apply to court-ordered testing. This has important implications for personal injury practice throughout New York State.

When the Privilege Is Waived

The court identified several circumstances where the physician-patient privilege may be waived:

  • When a party asserts an affirmative defense related to their medical condition
  • When the testing is ordered specifically for litigation purposes
  • When a party places their medical condition directly in controversy
  • When the party seeks damages for medical conditions or treatments

Strategic Implications for Defense

The Welter ruling demonstrates why defendants must be careful about the affirmative defenses they assert. By claiming he was asymptomatic, the defendant in Welter essentially waived his right to refuse the blood test, as his medical condition became directly relevant to his defense strategy.

Balancing Privacy Rights with Discovery Needs

While courts have broad authority to order medical examinations, they must still balance this power against individual privacy rights and the potential for abuse. This balance is particularly important in cases involving sensitive medical information or invasive testing procedures.

Protective Measures Courts May Impose

To protect parties undergoing compelled medical testing, courts often impose protective measures such as:

  • Limiting the scope of the examination to relevant issues
  • Requiring qualified medical professionals to conduct tests
  • Restricting the disclosure of test results
  • Allowing the presence of the party’s attorney during examinations
  • Ordering that examinations be videotaped for protection

Impact on No-Fault and Personal Injury Protection (PIP) Cases

The decision also references the relationship between these discovery rules and no-fault insurance litigation under Insurance Law § 5102(d). This connection is particularly relevant for personal injury attorneys practicing in New York, where no-fault coverage intersects with traditional tort litigation.

Implications for Insurance Coverage Disputes

In cases involving disputes over no-fault benefits or PIP coverage, compelled medical testing can become crucial evidence for:

  • Establishing the extent of injuries
  • Determining whether injuries are related to the accident
  • Evaluating pre-existing medical conditions
  • Assessing the need for ongoing medical treatment
  • Calculating appropriate compensation for medical expenses

Practical Considerations for Personal Injury Attorneys

The Welter decision provides important guidance for personal injury attorneys representing both plaintiffs and defendants in cases where medical testing may be requested or compelled.

For Plaintiff’s Attorneys

When representing plaintiffs, attorneys should:

  • Carefully consider what medical information to put in controversy
  • Anticipate potential requests for compelled testing
  • Prepare clients for the possibility of invasive examinations
  • Seek protective orders when appropriate to limit the scope of testing
  • Ensure proper notice and procedural protections are followed

For Defense Attorneys

When representing defendants, attorneys should:

  • Be strategic about affirmative defenses that might waive privileges
  • Consider whether compelled testing will support or undermine their client’s position
  • Ensure compliance with all procedural requirements for requesting examinations
  • Work with qualified medical professionals for examinations
  • Respect the privacy and dignity of the opposing party during testing

Frequently Asked Questions

Can a court force me to undergo a blood test in a personal injury case?

Yes, if your medical condition is in controversy and the test is relevant to the case. However, the court must find good cause and the testing must be reasonable in scope.

What happens if I refuse to undergo court-ordered medical testing?

Refusing to comply with a court order for medical testing can result in sanctions, including dismissal of claims or defenses, adverse inferences, or contempt of court.

Are the results of compelled medical testing confidential?

While test results become part of the litigation record, courts often impose protective orders to limit their disclosure beyond the parties and their attorneys.

Can I have my attorney present during a court-ordered medical examination?

This depends on the specific circumstances and court order. Some courts allow attorney presence, while others may permit video recording instead.

Does asserting a medical defense waive my privacy rights?

Potentially yes. As the Welter case shows, asserting defenses related to your medical condition can waive physician-patient privilege and open you to compelled testing.

Protecting Your Rights in Complex Medical Discovery

Whether you’re facing a personal injury claim or defending against one, understanding the rules around compelled medical testing is crucial for protecting your rights and interests. The intersection of medical privacy, discovery rules, and personal injury law requires experienced legal counsel who understands these complex issues.

At the Law Office of Jason Tenenbaum, we have extensive experience handling cases involving complex medical discovery issues throughout Nassau County, Suffolk County, and New York City. We understand how to protect our clients’ privacy rights while ensuring they receive the compensation they deserve or mounting effective defenses when appropriate.

From negotiating the scope of medical examinations to challenging unreasonable discovery requests, we know how to navigate the complex intersection of medical and legal issues in personal injury cases. Our experience includes working with qualified medical experts and understanding the procedural requirements that protect all parties’ rights.

Don’t face complex medical discovery issues alone. Call 516-750-0595 today for a free consultation with an experienced Long Island personal injury attorney who will protect your rights throughout the litigation process.


Legal Update (February 2026): The court-ordered medical testing procedures and standards discussed in this 2010 post may have been modified through subsequent court rules amendments, CPLR revisions, or evolving case law regarding medical privacy and discovery scope. Practitioners should verify current provisions of CPLR 3121 and recent appellate decisions governing compelled medical testing in personal injury cases, as judicial standards for balancing discovery rights against bodily autonomy may have shifted over the past sixteen years.

Filed under: Discovery
Jason Tenenbaum, Personal Injury Attorney serving Long Island, Nassau County and Suffolk County

About the Author

Jason Tenenbaum

Jason Tenenbaum is a personal injury attorney serving Long Island, Nassau & Suffolk Counties, and New York City. Admitted to practice in NY, NJ, FL, TX, GA, MI, and Federal courts, Jason is one of the few attorneys who writes his own appeals and tries his own cases. Since 2002, he has authored over 2,353 articles on no-fault insurance law, personal injury, and employment law — a resource other attorneys rely on to stay current on New York appellate decisions.

Education
Syracuse University College of Law
Experience
24+ Years
Articles
2,353+ Published
Licensed In
7 States + Federal

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