A CDL medical card is officially the Medical Examiner's Certificate (MEC), Form MCSA-5876. It records a medical examiner's determination that you meet the applicable commercial-driver physical qualification standards. Certification can last up to 24 months, but the examiner or an applicable rule may require earlier renewal.
For an Arizona CDL applicant preparing for ordinary freight driving, medical certification belongs near the start of the permit process. Use an examiner listed on FMCSA's National Registry. Arizona's CDL application instructions explain the state's requirements.
Which medical requirements apply?
CDL holders self-certify their intended operation as interstate or intrastate, and as excepted or non-excepted. Non-excepted interstate drivers must meet federal medical-certification requirements. Excepted interstate operations have different requirements, while intrastate qualification depends on state rules and any applicable exception. Confirm your category and Arizona requirements with MVD. See 49 CFR 383.71(b)(1).
This guide focuses on applicants and drivers whose intended operation requires medical certification.
What happens during a DOT physical?
The examiner reviews your health history, medications and physical condition. The examination includes vision, hearing, blood pressure, pulse, urinalysis and evaluation of relevant body systems.
The medical urinalysis checks measures such as sugar, protein and blood. It is not the separate DOT drug screen required for covered driving work. A clinic may provide both services, but FMCSA treats the examination and DOT drug collection as separate processes. The Medical Examiner's Handbook explains the examination and assessment process.
High blood pressure can affect certification length. A reading does not, by itself, guarantee a two-year certificate or establish permanent disqualification. The examiner considers the applicable guidance, treatment, side effects and your overall condition.
Medical conditions require the right assessment
The federal physical qualification standards address conditions that can impair safe driving. Some drivers may qualify under an alternative standard or medical variance. Others cannot be certified under the ordinary standard. A blog checklist cannot decide your individual eligibility.
Insulin use is not an automatic disqualification. 49 CFR 391.46 provides a qualification pathway involving the treating clinician's MCSA-5870 assessment and the certified examiner's evaluation. Drivers using that pathway must meet its monitoring and examination requirements.
Bring complete information about diagnoses and medications. Do not stop treatment or change medication to try to pass the examination. Ask the examiner what records or specialist reports are needed.
How Arizona receives medical results
For most Arizona CDL/CLP holders, the examiner reports results electronically to FMCSA, which forwards them to MVD. Arizona asks drivers to allow approximately 24 hours before visiting MVD and to check the result in AZ MVD Now → My Credential.
There is an important state exception: Arizona currently instructs drivers with a K restriction for intrastate operation to continue submitting the paper MEC and long-form medical report to MVD for review. Follow the instructions for your own credential. See Arizona's medical-certification instructions.
Electronic reporting does not remove the need to keep certification current. Arizona warns that failure to maintain the required current certificate results in suspension and revocation of commercial privileges. Check your status and resolve missing records with the examiner and MVD before driving.
Do you need to carry a paper card?
For CDL/CLP holders covered by the federal exception, the paper MEC no longer has to be carried as proof of medical qualification. Required medical-variance documentation must still be carried while on duty. The current federal rule distinguishes those obligations.
As of October 12, 2026, Arizona-licensed CDL/CLP holders and their employers may no longer use the temporary paper-MEC allowance as a substitute for the electronic medical-certification record. FMCSA renewed that temporary relief only for Alaska-issued credentials. See the current FMCSA notice.
Arizona's K-restriction paper submission process is a separate state review requirement. It does not extend the expired nationwide allowance for paper proof in interstate operation.
Prepare before your appointment
Bring identification, corrective lenses or hearing aids you use, a complete medication list with dosages, and contact details for treating clinicians. Ask the examination provider which condition-specific records or forms to bring and what the examination will cost.
Keep a copy of your examination documents for your records and verify that MVD has the required current information. For operations requiring medical certification, meeting the physical qualification requirements and keeping the correct licensing record are both necessary before driving.
