What happens during a DOT physical?

A DOT physical consists of multiple sections that evaluate a driver’s overall health, including medical history, vision, hearing, blood pressure, and physical examination to determine if the driver meets FMCSA requirements.

Is a drug test included in a DOT physical?

No. A drug test is not part of the DOT physical itself, but it is often performed at the same time for pre-employment or return-to-duty testing.

What medical conditions can affect DOT certification?

Conditions that may affect certification include cardiovascular diseases such as high blood pressure or heart disease, sleep apnea requiring treatment, and mental health disorders such as depression, anxiety, or bipolar disorder.

Can you still pass a DOT physical with a medical condition?

Yes. Drivers with certain medical conditions may still be certified, but they may receive a shorter certification period and require regular monitoring or documentation from their healthcare provider.

Who is authorized to perform a DOT physical?

A DOT physical must be performed by a licensed medical professional such as a doctor, nurse practitioner, physician assistant, or chiropractor who is listed on the National Registry of Certified Medical Examiners (NRCME).

Why must the examiner be NRCME certified?

NRCME certification ensures that the medical examiner has completed specialized training and passed an exam to properly evaluate drivers according to FMCSA medical standards.

Where can drivers get a DOT physical?

Drivers can get a DOT physical at certified clinics and medical providers listed on the National Registry of Certified Medical Examiners, including locations offered through networks like TeamCME.

How long does a DOT physical take?

A DOT physical typically takes about 10 to 30 minutes, depending on the driver’s health status and whether additional evaluation or documentation is required.

DOT Physical Overview for Drivers

Q: Who needs a DOT physical?

Drivers involved in intrastate and interstate commerce, including commercial motor vehicle (CMV) drivers, school bus or commercial bus drivers, and drivers transporting hazardous materials that require placards, must undergo a DOT physical.

Q: How long is a DOT medical card valid?

A DOT medical card is typically valid for up to 24 months if the driver is in good health. However, it may be issued for a shorter period if the driver has medical conditions that require monitoring.

Gain clarity on DOT physicals with a comprehensive overview. Discover the requirements and key considerations for commercial drivers.

Quick Summary

What a DOT physical is and why it’s required
Who needs a DOT physical (and when)
How to prepare and what to bring
What happens during the exam (step-by-step)
Vision, hearing, and urine testing requirements
How medications and health conditions affect certification
How long is your medical card good for
What happens if you don’t pass

Introduction

If you’re a commercial driver, your livelihood depends on staying medically qualified to operate safely. But for many drivers, the DOT physical can feel stressful, especially if you’re unsure what to expect or worried about passing.

The good news? The process is straightforward when you’re prepared.

This guide breaks down everything you need to know about DOT physicals, from who needs one to what happens during the exam, so you can walk in confident, prepared, and ready to pass.

What is a DOT Physical?

A DOT physical is a medical exam designed to ensure that you are physically and mentally fit to operate a commercial motor vehicle safely.

During the exam, a certified medical examiner will:

Review your medical history
Evaluate medications and treatments
Perform a full physical assessment
Determine whether you meet federal safety standards

Who Needs a DOT Physical?

You are required to complete a DOT physical if you operate a commercial vehicle in a safety-sensitive role, including if you:

Transport hazardous materials requiring placards
Drive a vehicle carrying more than 8 passengers (for compensation)
Operate a vehicle designed to carry 15+ passengers
Drive interstate with a gross vehicle weight or combination weight over 10,000 lbs

Note: Specific requirements can vary slightly based on vehicle weight and passenger capacity.

How to Prepare for Your DOT Physical

Being prepared can make the difference between passing and delays.

What to Bring

Medical records and provider contact information
A complete list of medications (including over-the-counter and supplements)
Glasses, contacts, or hearing aids (if applicable)

Additional Documentation (If Applicable)

Cardiologist clearance for heart conditions
Neurologist documentation for seizures, stroke, or brain conditions
CPAP compliance reports (minimum 90 days) for sleep apnea
Insulin-treated diabetes assessment form
Documentation for physical limitations or limb loss

Important: Always be honest on your medical history form. Omissions can result in disqualification or loss of your certification.

Get more information about preparing for your DOT physical.

What Happens During the Exam

Medical History Review

You’ll be asked about:

Past surgeries
Substance use (tobacco, alcohol, drugs)
Drug test history
Current symptoms or conditions

Physical Examination

The examiner will check:

Height, weight, and blood pressure (must be below 140/90)
Heart, lungs, and overall cardiovascular health
Neurological function and reflexes
Spine, joints, and range of motion
Balance and coordination

Learn about medical conditions affecting your DOT physical.

Vision and Hearing Requirements

Vision Standards

At least 20/40 vision in each eye (with or without correction)
Minimum 70-degree field of vision in each eye
Ability to distinguish red, amber, and green

If corrective lenses are required to pass, you must wear them while driving.

Hearing Standards

Ability to hear a whisper at 5 feet or more in at least one ear; OR
Demonstrate less than 40dB of hearing loss in at least one ear on an audiometric test

Sleep Apnea and Fatigue Risks

You may be referred for further evaluation if you experience:

Loud snoring
Gasping during sleep
Morning headaches
Daytime fatigue

Drivers diagnosed with sleep apnea must show proof of treatment compliance (such as CPAP usage).

Urinalysis

A urine sample is required during the DOT physical to screen for underlying medical conditions—not drugs (unless separately required by your employer).

What It Checks

Protein: Possible kidney issues
Glucose: May indicate diabetes
Specific Gravity: Kidney function
Blood: Potential infections or other conditions

Are Drug Tests Included?

DOT physicals do not include drug testing.

However, drug tests are often conducted at the same time for:

Pre-employment
Return-to-duty
Employer-required testing

Medications and DOT Certification

Taking medication does not automatically disqualify you.

What Matters

Whether the medication causes drowsiness or impairment
Whether your condition is safely controlled

Many drivers safely operate while taking medications for:

High blood pressure
Cholesterol
Anxiety or depression

Always disclose all medications and discuss them with the examiner.

View our article “CDL Medication Use: Don’t be Disqualified!” to learn more about medication use for CDL drivers.

How Long is a DOT Medical Card Valid?

Up to 24 months for healthy drivers
Shorter certification may be issued for monitoring conditions

Common Reasons for Shorter Certification

High blood pressure or heart conditions
Sleep apnea requiring treatment
Mental health conditions

Nearly 50% of drivers require certification periods shorter than 24 months.

Who Can Perform a DOT Physical?

Only medical professionals listed in the National Registry of Certified Medical Examiners (NRCME) can perform DOT physicals.

Qualified Providers

Medical doctors (MD/DO)
Nurse practitioners
Physician assistants
Chiropractors

These providers must complete specialized training and certification.

Cost and Insurance Coverage

DOT physicals are considered fitness-for-duty exams, which means:

They are not covered by health insurance
Costs are paid out-of-pocket or by your employer

What Happens if You Fail?

Failing a DOT physical doesn’t always mean the end of your driving career.

If the issue is correctable, you can:

Address the medical concern
Return for re-evaluation

Your examiner can guide you on what steps are needed to qualify.

For more information and guidance on your options if you fail your exam, view our article “Can You Get a New DOT Physical After Failing the First One?”.

Conclusion

A DOT physical isn’t something to fear. It’s a tool designed to keep you, and everyone on the road, safe.

When you understand what’s required and come prepared, the process becomes much more manageable. Whether it’s bringing the right documentation, managing a health condition, or simply knowing what to expect, a little preparation goes a long way.

At the end of the day, staying medically certified isn’t just about compliance, it’s about protecting your career, your safety, and the safety of others on the road.

Medical Review & Authorship

Written by: Dr. Jeffrey Carlson – Chief Medical Officer
Dr. Carlson leads TeamCME’s medical training programs and publishes regularly on DOT medical compliance and examiner best practices.

Reviewed by: Dr. Michael Megehee, DC, NRCME – Founder & Senior Advisor
FMCSA subject matter expert selected to help design the original NRCME educational curriculum and first exam questions.