A DOT physical exam is a structured medical visit, not a mystery test. The examiner reviews your paperwork and health history, checks blood pressure and pulse, tests vision and hearing, collects a urinalysis dipstick sample, and performs a hands-on exam of body systems [1][4]. The visit ends with a certification decision. It is recorded on MCSA-5875, and a qualified driver receives MCSA-5876, the medical examiner's certificate commonly called a DOT medical card or med card [2]. With your exam next week, preparation means bringing the right records, your glasses, and an honest medication list.
Who should perform the DOT physical exam?
The exam must be performed by a medical examiner listed on the FMCSA National Registry of Certified Medical Examiners [2]. Before you go, verify the examiner through the FMCSA National Registry search. That check matters if you had a bad experience before or found a clinic through a price-shopping search. A clinic's sign or booking page does not replace the registry listing.
The examiner completes Medical Examination Report Form MCSA-5875. If you qualify, the examiner issues Medical Examiner's Certificate Form MCSA-5876, the wallet card your carrier and dispatch usually call the med card [2]. The examiner is deciding whether your current health meets the federal physical qualification standards. Roadworthy does not perform DOT physicals, employ or certify medical examiners, or issue medical certificates. It helps you work on health between exams.
A licensed ophthalmologist or optometrist may perform the vision portion of the DOT exam [2]. That does not turn the whole visit into an eye appointment. The rest of the required examination still follows the medical examiner's process.
If you're still getting oriented, read what a DOT physical is, then use the DOT physical hub for related requirements. If you still need a location, find a DOT physical near you, then check the examiner's registry listing before booking.
What paperwork and health history will the examiner review?
The visit starts with your history, not the blood pressure cuff. The federal standards cover 13 qualification areas in 49 CFR 391.41(b), including limbs and limb impairment, insulin-treated diabetes, cardiovascular disease, respiratory dysfunction, high blood pressure, musculoskeletal disease, epilepsy or loss of consciousness, mental and psychiatric conditions, vision, hearing, drug use, and alcoholism [1]. Your answers help the examiner decide what records or follow-up may be needed.
Be ready to describe current conditions, past diagnoses, injuries, surgeries, fainting or loss of consciousness, breathing problems, heart problems, and medications. The goal is not to give the answer that sounds best. It is to give the answer that matches your medical record and your actual condition. A missing diagnosis on the form does not make the underlying condition disappear during the hands-on exam.
Bring a current medication list with medication names and the condition each one treats. Bring glasses, contact lenses, and hearing aids if you use them. If a condition has been evaluated recently, bring the relevant report rather than relying on memory from the sleeper. The examiner may use that documentation when applying clinical judgment.
If you use insulin for diabetes, the treating clinician who manages and prescribes insulin must complete and sign the Insulin-Treated Diabetes Mellitus Assessment Form MCSA-5870 [5]. The examiner must then examine you at least annually and no later than 45 days after the treating clinician signs the form [5]. Bring that form to the appointment if it applies.
What does the urine test check?
The urinalysis is a dipstick screen. It checks specific gravity, protein, blood, and glucose [4]. That makes it a kidney and sugar screen, not a full laboratory workup. The examiner looks at the result with your history and the rest of the exam.
Protein or blood in the urine can raise questions about your health history and whether more information is needed. Glucose can point the examiner back to diabetes history and related records. Specific gravity is part of the dipstick screen as well [4]. The result is one piece of the qualification decision, not a standalone diagnosis.
The standards include insulin-treated diabetes as its own qualification area. A driver currently treated with insulin qualifies only by meeting the requirements of 49 CFR 391.46 [1][5]. The qualification standards do not contain an A1C number [1]. That means you should not show up expecting a single A1C result to decide the entire visit. Bring the MCSA-5870 when required, and make sure the information in it matches the clinician managing your insulin.
The visit's urinalysis dipstick should not be confused with every possible workplace testing process. The exam components listed in the handbook are the health history, blood pressure and pulse, vision, hearing, urinalysis dipstick, and hands-on exam [4]. Those are the steps in the physical walkthrough.
How are vision, hearing, blood pressure, and pulse checked?
The vision portion checks distant visual acuity, field of vision, and recognition of standard traffic signal colors. The standard requires at least 20/40 in each eye, with or without corrective lenses, a field of vision of at least 70 degrees in the horizontal meridian in each eye, and recognition of red, green, and amber [1]. Bring the glasses or contacts you use for driving. If you normally need correction, testing without it does not give the examiner the information they need about your corrected vision.
For hearing, you must first perceive a forced whispered voice in the better ear at not less than 5 feet, or have average hearing loss in the better ear of 40 decibels or less at 500 Hz, 1,000 Hz, and 2,000 Hz. A hearing aid may be used to meet the standard [1]. Bring it and use it as you normally would.
Blood pressure and pulse are checked during the visit [4]. The regulation says you cannot have a current clinical diagnosis of high blood pressure likely to interfere with safely operating a CMV. The regulation itself contains no numeric blood pressure cutoff. The numbers used for certification staging come from examiner guidance [1][4].
Under that guidance, below 140/90 can support the full certification period, up to a 2-year card. A reading of 140-159 systolic or 90-99 diastolic supports a 1-year card. A reading of 160-179 systolic or 100-109 diastolic leads to a one-time 3-month certificate so treatment can start or be adjusted. Once blood pressure is at or below 140/90, the driver can be certified for 1 year from the original exam date. Readings at or above 180 systolic or 110 diastolic disqualify the driver until blood pressure is brought under control. After control is shown, certification continues on 6-month cards [4]. Either number alone can place you in a stage.
What happens during the hands-on exam and certificate decision?
The hands-on exam reviews body systems. It gives the examiner a chance to compare your history with your current condition and to look for a problem that could interfere with controlling and driving a CMV [4]. The federal standards include cardiovascular disease, respiratory dysfunction, musculoskeletal disease, neurological conditions, mental and psychiatric conditions, and limb impairment [1].
The standard does not say that every diagnosis automatically ends qualification. It asks whether the condition meets the applicable standard and affects safe CMV operation. For example, the seizure standard addresses an established medical history or clinical diagnosis of epilepsy or another condition likely to cause loss of consciousness or loss of ability to control a CMV [1]. The cardiovascular standard addresses specified disease known to be accompanied by syncope, dyspnea, collapse, or congestive cardiac failure [1]. The respiratory standard addresses dysfunction likely to interfere with safe control and driving [1].
A lost limb or limb impairment can still qualify through a Skill Performance Evaluation certificate under 49 CFR 391.49 [1]. Insulin-treated diabetes follows the separate MCSA-5870 process and annual examination rule [5]. Drug use and alcoholism are also listed standards. The rule addresses Schedule I drugs or other habit-forming drugs unless prescribed by a licensed practitioner familiar with your medical history, and it addresses current clinical diagnosis of alcoholism [1].
Then comes the certificate decision. The maximum certification interval is 24 months, or 2 years, when the driver is medically examined and certified within the rules [3]. That is a ceiling, not a personal entitlement. Examiners can certify for less when a condition needs monitoring, and the certificate length within the rules is examiner clinical judgment [3][4]. Insulin-treated diabetes and the alternative vision standard require examination and certification every 12 months, or 1 year [3][5].
The current medical certificate can also be interrupted by a new problem. If an injury or disease impairs your ability to perform normal duties, you must be re-examined and certified even if the existing certificate has not expired [3].
Here is the order you can rehearse before next week's appointment.
- Check that the medical examiner appears on the FMCSA National Registry.
- Complete the health history and list every current medication and relevant condition.
- Give the examiner MCSA-5870 if you use insulin and the treating clinician has completed it.
- Provide glasses, contact lenses, and hearing aids used for driving.
- Complete the urinalysis dipstick for specific gravity, protein, blood, and glucose.
- Complete the vision check for acuity, field of vision, and traffic signal colors.
- Complete the hearing check by forced whisper or audiometric testing.
- Sit for the blood pressure and pulse check.
- Complete the hands-on exam of body systems.
- Review the certificate decision and receive MCSA-5876 if qualified.
What should you do before next week's appointment?
Use the remaining week to make the visit accurate, not to stage a different version of your health. Get normal sleep before the appointment, take medication as prescribed, and bring the glasses or hearing aids you rely on. Do not leave the medication list in the truck. The examiner needs the actual names and conditions, especially when a prescription relates to blood pressure, diabetes, breathing, heart disease, seizures, or mental health.
If blood pressure has been running high, start a home cuff log and bring it. A log does not replace the reading at the exam, but it gives the examiner a pattern to consider. The staging guidance uses the exam reading and ties certificate length to the level shown [4]. There is no fixed blood pressure number in the regulation itself, so an examiner's decision may require clinical judgment [1][4].
Do not assume body weight alone decides the visit. There is no BMI number anywhere in the physical qualification standards of 49 CFR 391.41 [1]. The relevant question is whether a condition affects safe CMV operation or needs monitoring. The handbook also sets no BMI trigger and no sleep apnea screening requirement. Whether sleep testing is needed before certification is examiner clinical judgment under the respiratory standard [4]. FMCSA and FRA withdrew the sleep apnea rulemaking on August 8, 2017, and no FMCSA regulation names sleep apnea [4]. If sleep or breathing is part of your history, answer plainly and bring existing records.
If the examiner finds a condition that needs more information, ask which record is missing and where it should come from. If the issue is insulin-treated diabetes, the MCSA-5870 and its timing are specific [5]. If the issue is a limb impairment, the SPE path may apply [1]. A hands-on federal exam cannot be gamed. The useful work happens before recertification, with accurate records and health under control.
What to do next
Written for a driver with the exam booked next week.
- Verify the examiner's listing in the FMCSA National Registry.
- Put your medication list, glasses, contacts, and hearing aids in one folder.
- Pull recent condition records for blood pressure, diabetes, heart, breathing, seizure, or injury history.
- Start a home cuff log if blood pressure has been high and bring it to the exam.
- If you use insulin, get MCSA-5870 completed and signed by the treating clinician.
- Check that the MCSA-5870 signature date leaves no more than 45 days before the exam [5].
- Arrive rested, take medication as prescribed, and answer the health history accurately.
- Confirm whether you received MCSA-5876 before leaving if the examiner qualifies you [2].
- Save the certificate and note its expiration date for your next recert.
Sources
- Cornell Law School LII, 49 CFR 391.41, physical qualification standards and exam thresholds, accessed 2026-08-01, https://www.law.cornell.edu/cfr/text/49/391.41
- Cornell Law School LII, 49 CFR 391.43, medical examiner requirements and forms, accessed 2026-08-01, https://www.law.cornell.edu/cfr/text/49/391.43
- Cornell Law School LII, 49 CFR 391.45, examination timing and certification intervals, accessed 2026-08-01, https://www.law.cornell.edu/cfr/text/49/391.45
- FMCSA Medical Examiner's Handbook, 2024 edition, exam components, blood pressure staging, and sleep apnea guidance, accessed 2026-08-01, handbook-appendix
- Cornell Law School LII, 49 CFR 391.46, insulin-treated diabetes process and MCSA-5870 timing, accessed 2026-08-01, https://www.law.cornell.edu/cfr/text/49/391.46
- FMCSA National Registry of Certified Medical Examiners, examiner verification search, accessed 2026-08-01, https://nationalregistry.fmcsa.dot.gov/