If you’re a commercial driver, staying compliant with Department of Transportation (DOT) medical requirements is not optional, it's essential for keeping your Commercial Driver’s License (CDL) active. One of the most common questions drivers ask is: How long is a DOT physical test valid? Understanding the validity period, requirements, and reasons for expiration can help you avoid last-minute stress and interruptions to your driving career.
At NYUCC, we regularly perform DOT physical exams and help drivers understand what the results mean for their CDL medical card. This guide breaks down everything you need to know about the DOT physical test, how long it lasts, and when you should schedule your next exam.
What Is a DOT Physical Test?
A DOT physical test is a medical examination required by the Federal Motor Carrier Safety Administration (FMCSA). Its purpose is to ensure that commercial drivers are physically and mentally fit to operate large vehicles safely.
This exam must be completed by a DOT-certified medical examiner, and once passed, the driver receives a Medical Examiner’s Certificate, commonly called a CDL medical card.
The test evaluates several key areas, including:
- Vision and hearing
- Blood pressure and heart health
- Respiratory health
- Neurological function
- Musculoskeletal strength and mobility
- Overall physical and mental fitness
The goal is not to disqualify drivers unnecessarily, but to identify medical conditions that could affect road safety.
How Long Is a DOT Physical Test Valid?
In most cases, a DOT physical test is valid for up to 24 months (2 years). This is the maximum certification period allowed by the FMCSA.
However, not every driver qualifies for the full two-year medical card. The actual validity depends on your health status at the time of the exam.
Why Some DOT Medical Cards Are Valid for Less Than Two Years
Many drivers receive shorter certification periods, often ranging from 3 months to 1 year. This does not automatically mean you failed the exam. Shorter validity is commonly issued when a medical condition requires monitoring.
Common reasons for reduced validity include:
- High blood pressure
- Diabetes requiring medication
- Heart conditions
- Sleep apnea
- Vision or hearing concerns
- Recent surgery or injury
For example, a driver with elevated blood pressure may receive a 1-year medical card instead of 2 years. This allows medical examiners to reassess the condition and ensure it remains controlled.
What Happens If Your DOT Physical Test Expires?
If your DOT physical test expires, your CDL may be downgraded or temporarily invalid, depending on state regulations. This can prevent you from legally operating a commercial vehicle.
Driving with an expired medical card can lead to:
- Fines or penalties
- Employer issues
- Loss of driving privileges
- Delays in work or income
That’s why it’s strongly recommended to schedule your DOT physical before your current medical card expires.
When Should You Renew Your DOT Physical Test?
Most drivers should plan to renew their DOT physical test at least 30–60 days before expiration. This provides enough time to address any unexpected findings, such as elevated blood pressure or required follow-up documentation.
Early renewal also helps avoid gaps in certification, especially for drivers who travel frequently or have demanding schedules.
What to Bring to Your DOT Physical Appointment
Being prepared can make your DOT exam quicker and smoother. Drivers should bring:
- A valid photo ID
- Glasses or contact lenses (if required for driving)
- Hearing aids (if applicable)
- A list of current medications
- Medical records related to chronic conditions
- Any required specialist clearance forms
Providing accurate medical information helps ensure your DOT physical test results are processed correctly.
What If You Don’t Pass the DOT Physical Test?
Not passing a DOT exam does not always mean permanent disqualification. In many cases, drivers may receive:
- A temporary certification
- A shortened medical card
- Instructions for follow-up testing or treatment
Conditions such as uncontrolled blood pressure or untreated sleep apnea can often be managed. Once properly treated, drivers may qualify for certification during a re-evaluation.
Medical examiners focus on safety while also supporting drivers in maintaining their certification whenever possible.
Why Choose an Urgent Care Clinic for Your DOT Physical Test?
Many drivers prefer urgent care clinics for DOT exams due to convenience and accessibility. At NYUCC, DOT physicals are performed by certified medical examiners who understand FMCSA regulations and commercial driver needs.
Benefits include:
- Walk-in or same-day availability
- Efficient exam process
- Clear explanations of results
- Guidance on certification length and renewal timing
Urgent care settings make it easier for drivers to stay compliant without long wait times.
Final Thoughts
A DOT physical test plays a critical role in protecting both drivers and the public. While most medical cards are valid for up to two years, individual health conditions can affect certification length. Knowing how long your medical card lasts and planning ahead helps you stay on the road without interruptions.
If your DOT medical card is nearing expiration or you’re unsure about your certification status, scheduling a DOT physical exam at a trusted clinic like NYUCC can help ensure you remain compliant, confident, and ready to drive safely.

