DOT Medical Card
A certificate proving you meet the physical requirements to operate a commercial vehicle.
Definition
A DOT medical card (officially a Medical Examiner's Certificate) is required for all CDL holders. You must pass a DOT physical examination by a certified medical examiner listed in the FMCSA National Registry. The exam checks vision, hearing, blood pressure, urinalysis, and overall physical fitness. Cards are valid for up to 2 years, though drivers with certain conditions (like diabetes or hypertension) may receive cards valid for 1 year.
Why it matters to you
No valid medical card, no driving — the certificate is a condition of the licence, not a formality. Conditions like sleep apnoea, high blood pressure and diabetes usually mean a shorter certification period rather than a disqualification. Diarise the expiry well ahead: letting it lapse downgrades your CDL until you recertify and your state processes it, and carriers will pull you off dispatch immediately.
FAQ
What does DOT Medical Card mean?
A certificate proving you meet the physical requirements to operate a commercial vehicle.
Why does DOT Medical Card matter to a driver?
No valid medical card, no driving — the certificate is a condition of the licence, not a formality. Conditions like sleep apnoea, high blood pressure and diabetes usually mean a shorter certification period rather than a disqualification. Diarise the expiry well ahead: letting it lapse downgrades your CDL until you recertify and your state processes it, and carriers will pull you off dispatch immediately.
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