Trucking | 7 min read

Diabetes and Your CDL: Health Insurance That Keeps You Driving

Insulin no longer ends a trucking career, but it ties your medical card to your health plan every single year. Here is how to keep both working.

View from a truck cab on the highway

Part of our complete guide to health insurance for truck drivers.

Insulin no longer ends a trucking career

Until 2018, a driver who needed insulin had to apply for a federal exemption to keep a medical card. FMCSA's insulin-treated diabetes rule replaced that. Today a driver using insulin can be certified by a medical examiner like any other driver, as long as the treating clinician signs off first.

That makes health insurance part of keeping your CDL. The visits, the meter, the insulin and the eye exams that the rule depends on all run through your plan.

The short version

Insulin-treated drivers can hold a medical card for up to 12 months at a time. To get it, you need a treating clinician's signed form and 3 months of glucose records, and your insurance has to cover the care that produces both.

How the insulin rule works

  • The form. Your treating clinician, the doctor or nurse practitioner who manages your diabetes, completes the Insulin-Treated Diabetes Mellitus Assessment Form (MCSA-5870).
  • The timing. Your DOT exam has to happen within 45 days after the clinician signs that form.
  • The card length. Up to 12 months, so this is an every-year cycle, not every two years.
  • Hypoglycemia. After a severe low (one that needs someone else's help or causes loss of consciousness, a seizure or coma), you cannot drive until your clinician clears you and completes a new form.
  • Eyes. Severe non-proliferative or proliferative diabetic retinopathy is permanently disqualifying, which is why the annual dilated eye exam matters.

Drivers whose diabetes is managed without insulin are not covered by this rule; the medical examiner decides card length based on overall control. For blood pressure thresholds that often travel with diabetes, see blood pressure and your medical card.

The paperwork that keeps you certified

The clinician needs at least the preceding 3 months of blood glucose readings while you were on insulin, from an electronic meter that stores the date and time of every reading and can be downloaded. If you are newly started on insulin, expect to build those 3 months of records before you can get a full 12-month card; with missing records the examiner can only certify you for up to 3 months at a time.

Bring the meter, not a notebook. Handwritten logs do not meet the rule.

What an ACA-compliant plan has to do for you

  • It cannot turn you down or charge you more because you have diabetes. Pre-existing conditions are covered from day one on Marketplace and other ACA-compliant individual plans.
  • Preventive care is covered without a copay when you see an in-network provider, including diabetes screening for adults at risk. Treatment visits, the A1C tests and specialist care fall under your plan's normal cost sharing.
  • Prescriptions are an essential health benefit. Every compliant plan covers prescription drugs, though which insulins and which tier they sit on varies by plan. Many states also cap what state-regulated plans can charge for a month of insulin; ask us what applies in your state.

Picking a plan when you manage diabetes

  1. Check the formulary for your exact insulin and your test strips or CGM supplies, not just "insulin." Brand and tier change what you pay.
  2. Look at the out-of-pocket maximum before the premium. A driver with diabetes will use the plan every month; the cap is what a year really costs.
  3. Consider silver if your income qualifies for cost-sharing reductions. Those extra savings apply only to silver plans and can cut deductibles sharply for steady users of care.
  4. Keep your treating clinician in network. The MCSA-5870 comes from that person every year; losing them to a network change can cost you your card timeline.
  5. Think about the road. Emergencies are covered anywhere, but refills and follow-up visits out of state depend on your network. Our nationwide PPO guide covers when a national network is worth the price.

Insulin on the road

Most plans let you fill at national pharmacy chains in any state, and many offer 90-day mail order, which helps if you are out for weeks. Keep insulin in a temperature-controlled cooler in the cab, carry the prescription label, and carry fast sugar for lows. Our guide to filling prescriptions on the road covers refills away from home.

Coverage to be careful with

Short-term plans can exclude pre-existing conditions, so diabetes care may not be covered at all. Health sharing programs are not insurance and commonly limit sharing for pre-existing conditions. Accident-only and occupational accident policies do not cover illness. For a driver whose card depends on steady diabetes care, an ACA-compliant plan is the safe floor. More in health sharing vs health insurance for truck drivers.

Want help matching a plan to your insulin and your clinician? Send us the drug names and your doctor, and we will check every plan for your ZIP. It costs you nothing.

Frequently asked

Can a truck driver with insulin-treated diabetes get a medical card?

Yes. Since FMCSA's 2018 rule, drivers on insulin can be certified without an exemption. The treating clinician completes form MCSA-5870, the DOT exam must happen within 45 days after the clinician signs it, and the card lasts up to 12 months.

How many months of glucose records do I need for my DOT physical?

At least the preceding 3 months of electronic blood glucose records while on insulin, from a meter that stores the date and time of each reading. Without them, the examiner can certify you for no more than 3 months at a time.

Can health insurance deny me because I have diabetes?

Not an ACA-compliant plan. Marketplace and other ACA-compliant individual plans cannot deny you or charge you more for a pre-existing condition. Short-term plans and health sharing programs can exclude or limit it.

Does health insurance cover insulin?

Every ACA-compliant plan covers prescription drugs, but which insulin brands are covered and at what tier differs by plan. Many states also cap monthly insulin costs for state-regulated plans. Check the formulary for your exact insulin before you enroll.

Does diabetes disqualify me from driving a truck?

Diabetes alone does not. Insulin-treated drivers can be certified annually, and non-insulin diabetes is judged by the medical examiner. A severe hypoglycemic episode pauses driving until your clinician clears you, and severe diabetic retinopathy is permanently disqualifying.