# Diabetes mellitus currently treated with insulin — Medical conditions that disqualify a commercial driver under 49 CFR 391.41

For Diabetes mellitus currently treated with insulin, standard, as the regulation states it is (3) Has no established medical history or clinical diagnosis of diabetes mellitus currently treated with insulin for control, unless the person meets the requirements in § 391.46 ;; paragraph is (b)(3); regulation section is 49 CFR 391.41, recorded from its source on 2026-08-31; source re-checked 2026-09-15.

- **Disqualifying condition or standard:** Diabetes mellitus currently treated with insulin _(our reading, not quoted from the source)_
- **Standard, as the regulation states it:** (3) Has no established medical history or clinical diagnosis of diabetes mellitus currently treated with insulin for control, unless the person meets the requirements in § 391.46 ; _(verified: appears in the quote below)_
- **Paragraph:** (b)(3) _(our reading, not quoted from the source)_
- **Regulation section:** 49 CFR 391.41

## What the source says

> (3) Has no established medical history or clinical diagnosis of diabetes mellitus currently treated with insulin for control, unless the person meets the requirements in § 391.46 ;

## Source

- https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-391/subpart-E/section-391.41

Last verified: 2026-09-15. Review by: 2027-08-31.
Part of [Medical conditions that disqualify a commercial driver under 49 CFR 391.41](https://referencesource.org/dot-cdl-medical-disqualifying-conditions/).