Glossary · Operating Authority & Compliance
Medical Examiner's Certificate (MEDC).
DOT-required medical certification verifying a commercial driver's physical fitness to operate; issued by a National Registry medical examiner.
What it is
The Medical Examiner's Certificate — MEC, commonly called the "DOT med card" or "MEDC card" — is the DOT-required certification verifying a commercial driver's physical fitness to operate. It is required for all CDL holders and many non-CDL commercial operators above the GVWR threshold.
The certificate can only be issued by an examiner listed in the FMCSA National Registry of Certified Medical Examiners (NRCME). Typical validity is 24 months for healthy drivers, but the examiner can issue a shorter certificate — 3, 6, or 12 months — for drivers with managed conditions like diabetes or hypertension that require ongoing monitoring.
The exam itself covers vision, hearing, blood pressure, urinalysis, range of motion, and cardiovascular and pulmonary health. Cost typically runs $80–$150 at urgent care or a trucker-specialty clinic. After the exam, the driver must self-submit the card to the state DMV — though in some states the examiner submits automatically through an electronic interface with the state licensing system.
Why it matters for trucking finance
An expired MEDC card triggers an immediate CDL downgrade in most states, meaning the driver legally can't operate commercial vehicles until the card is renewed and the state processes it. This stops revenue overnight. Renewal-cycle awareness is critical — calendar a 60-day advance notice.
Lenders rarely verify MEDC directly, but factoring companies sometimes flag operators with expired CDL or MEDC during compliance audits. Conditions requiring shorter MEDC cycles (under 12 months) signal underlying health risk that some lenders factor into longer-term-loan risk assessments.
Related terms
- CDL Class A (CDL-A) — Commercial Driver's License Class A — required for combination vehicles over 26,001 lbs GCWR with a towed unit over 10,000 lbs; the standard CDL for OTR trucking.
- ELDT — Entry-Level Driver Training — federal training standard required since February 2022 for new CDL applicants, upgrades, or hazmat endorsements.
- Hours of Service (HOS) — FMCSA rules limiting daily and weekly driving time for commercial drivers, designed to prevent fatigue-related crashes.
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