When a workplace policy conflicts with an employee’s medical condition, a properly written medical exemption letter can be the difference between keeping a job and losing it. Whether the issue involves a vaccine requirement, a physical task, a dress code, or any other workplace standard, employees in New York have real legal protections, and understanding how to document a medical need correctly matters enormously.
This guide walks through what a valid medical exemption letter must include, what employers in Brooklyn and across New York can legally ask for, and when it makes sense to consult an employment attorney.
What Is a Medical Exemption Letter for Work?
A medical exemption letter is a written statement from a licensed healthcare provider explaining why an employee cannot comply with a specific workplace requirement due to a medical condition.
Employers routinely implement policies that affect the physical or operational demands placed on workers. When a legitimate health condition prevents an employee from meeting one of those requirements, federal and state law may require the employer to consider a reasonable accommodation.
The medical exemption letter is the starting point for that process. It formally notifies the employer that a condition exists and that the employee is requesting an adjustment to the policy in question.
What Federal and New York Law Say
Under the ADA and New York State Human Rights Law, employers must engage in an interactive process and consider reasonable accommodations for qualifying medical conditions.
At the federal level, the Americans with Disabilities Act (ADA), enforced by the U.S. Equal Employment Opportunity Commission (EEOC), prohibits covered employers from discriminating against employees with qualifying disabilities. Covered employers include those with 15 or more employees. The law requires them to provide reasonable accommodations unless doing so would cause undue hardship.
New York State goes further. The New York State Human Rights Law (NYSHRL), enforced by the New York State Division of Human Rights, generally applies to all employers in New York, regardless of size, for claims of employment discrimination. New York City’s Human Rights Law extends protections even further, covering employers with four or more employees and applying a liberal construction standard that favors employee protections.
These laws create the legal framework within which a medical exemption letter operates.
What a Valid Medical Exemption Letter Must Include
A valid letter must identify the provider, describe the functional limitation, connect it to the specific workplace policy, and be signed by a licensed medical professional.
A letter missing key elements is easy for an employer to dismiss. To give the request a strong foundation, the letter should include:
- The healthcare provider’s full name, license number, specialty, and contact information
- A description of the employee’s functional limitation (not necessarily the diagnosis itself)
- A clear connection between the limitation and the specific workplace policy at issue
- The recommended accommodation or exemption being requested
- The expected duration of the limitation, whether temporary or indefinite
In many cases, the letter does not need to disclose the employee’s specific diagnosis. Instead, it should explain the functional limitations caused by the medical condition and how those limitations relate to the requested accommodation. Depending on the circumstances, however, an employer may request additional medical information if it is job-related and consistent with business necessity. Under EEOC guidance, employers are entitled to know the nature of the limitation and its connection to the job requirement, not necessarily the specific condition causing it. The provider should focus on what the employee cannot do and why, rather than leading with a diagnosis.
What Employers Can and Cannot Ask For
Employers may request reasonable medical documentation supporting an accommodation request but generally cannot require employees to obtain documentation only from a company-designated physician as a condition of considering a reasonable accommodation.
New York employers engaging in the accommodation process are permitted to ask for medical documentation. They may ask clarifying questions and, in some situations, request additional information if the initial letter is insufficient. What they cannot do is ignore the request, retaliate against the employee for making it, or impose a blanket denial without engaging in the interactive process.
Employees who are asked to provide medical information beyond what is reasonably necessary to evaluate an accommodation request, who are improperly required to use a specific physician, or who are denied an accommodation without a meaningful interactive process may have grounds for a legal claim, depending on the circumstances.
Common Scenarios Where Medical Exemption Letters Apply
Medical exemption letters are used in situations ranging from vaccine mandates and lifting restrictions to chemical sensitivities and schedule accommodations.
In Brooklyn workplaces, common situations include employees seeking exemptions from physical lifting requirements after surgery, requesting remote work due to immune system conditions, asking to avoid certain chemicals or materials that trigger medical reactions, or seeking modified schedules due to treatment regimens.
Each scenario requires a tailored letter. A one-size-fits-all document rarely serves the employee well because employers and courts look closely at whether the requested accommodation is tied to a real, documented functional limitation specific to that job.
What to Do If Your Employer Denies the Request
If an employer denies a reasonable accommodation request without engaging in the interactive process or otherwise violates applicable disability discrimination laws, the employee may have grounds to file a complaint with the EEOC or the New York State Division of Human Rights.
Denial is not the end of the road. Employees may file a charge with the EEOC at eeoc.gov or a complaint with the New York State Division of Human Rights at dhr.ny.gov. New York City employees can also file with the NYC Commission on Human Rights at nyc.gov/cchr. Each agency has its own filing deadlines, and missing those deadlines can forfeit a claim entirely.
Consulting an employment attorney before or immediately after a denial gives employees the clearest picture of their options.
How We Can Help
At the Law Office of Vincent Miletti, Esq., we work with employees across Brooklyn and the greater New York area who are facing workplace accommodation disputes and related employment law matters. Our firm takes these situations seriously and focuses on cutting through the confusion so clients understand exactly where they stand and what steps they can take.
If you are dealing with an employer who has denied or ignored your medical exemption request, we encourage you to reach out. Call us at 609-293-5928 or contact us to discuss your situation.
Last updated: July 2026
