Can You Get a CDL With Diabetes?
Yes — diabetes, including insulin-treated diabetes, is not automatically disqualifying. Under the current federal rule (49 CFR §391.46), a certified medical examiner can certify an insulin-treated driver directly for up to 12 months, using your treating clinician's MCSA-5870 form documenting a stable regimen, adequate control, and at least three months of electronic glucose logs.
| Requirement | Standard |
|---|---|
| Old Federal Diabetes Exemption Program | No longer required — replaced by direct examiner certification (rule effective Nov 19, 2018; program formally withdrawn Feb 21, 2019) |
| Who certifies you | A certified medical examiner, directly |
| Form from your treating clinician | MCSA-5870 (stable regimen, adequate control) |
| Glucose history required | At least 3 months of electronic glucose logs for the full 12-month certification — without them, certification is capped at 3 months |
| Maximum certification length | Up to 12 months |
| Permanent disqualifier | Severe non-proliferative or proliferative diabetic retinopathy |
Why — the full reasoning
Insulin used to be treated as a near-automatic barrier, and a lot of outdated advice online still says so. That changed. The old Federal Diabetes Exemption Program ended — the final rule was effective November 19, 2018 and the program was formally withdrawn February 21, 2019.
Under the current rule, 49 CFR §391.46, a certified medical examiner can certify an insulin-treated driver directly, without a separate federal exemption. The examiner relies on the MCSA-5870 form completed by your treating clinician, which documents a stable insulin regimen, adequate control, and at least three months of electronic blood-glucose logs. Certification can run for up to 12 months.
One caveat that does remain a hard stop: severe non-proliferative or proliferative diabetic retinopathy is permanently disqualifying. If your diabetes is well-managed and your eyes are healthy, insulin itself is not the barrier people assume it is.
What to do next
- 1
Get your paperwork in order before the DOT physical
Ask your treating clinician to complete the MCSA-5870 and gather at least three months of electronic glucose logs. Walking into the exam with this ready is the difference between a smooth certification and a delay.
- 2
Manage control ahead of time
The examiner is looking for a stable regimen and adequate control. Work with your doctor to be in a good, documented range before you schedule the physical.
- 3
Have your eyes checked
Because advanced diabetic retinopathy is a permanent disqualifier, an eye exam ahead of time tells you where you stand and gives you time to treat anything treatable.
Written by Travis Stuckert, a 15-year Class A CDL driver. This is educational information, not legal advice — federal rules are administered by the states and your exact situation can differ. Confirm anything that affects your license with your state licensing agency, the primary source linked above, or a qualified professional.