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DOT Medical
Standards
(a) A person shall not drive a commercial motor vehicle unless he/she is
physically qualified to do so and, except as provided in Sec. 391.67, has
on his/her person the original, or a photographic copy, of a medical
examiner's certificate that he/she is physically qualified to drive a
commercial motor vehicle.
(b) A person is physically qualified to drive a commercial motor vehicle
if that person--
(1) Has no loss of a foot, a leg, a hand, or an arm, or has been granted a
skill performance evaluation certificate pursuant to Sec. 391.49;
(2) Has no impairment of:
(i) A hand or finger which interferes with prehension or power grasping;
or
(ii) An arm, foot, or leg which interferes with the ability to perform
normal tasks associated with operating a commercial motor vehicle; or any
other significant limb defect or limitation which interferes with the
ability to perform normal tasks associated with operating a commercial
motor vehicle; or has been granted a skill
performance evaluation certificate pursuant to Sec. 391.49.
(3) Has no established medical history or clinical diagnosis of diabetes
mellitus currently requiring insulin for control.
EXEMPTIONS AVAILABLE
(4) Has no current clinical diagnosis of myocardial infarction, angina
pectoris, coronary insufficiency, thrombosis, or any other cardiovascular
disease of a variety known to be accompanied by syncope, dyspnea,
collapse, or congestive cardiac failure.
(5) Has no established medical history or clinical diagnosis of a
respiratory dysfunction likely to interfere with his/her ability to
control and drive a commercial motor vehicle safely;
(6) Has no current clinical diagnosis of high blood pressure likely to
interfere with his/her ability to operate a commercial motor vehicle
safely;
(7) Has no established medical history or clinical diagnosis of rheumatic,
arthritic, orthopedic, muscular, neuromuscular, or vascular disease which
interferes with his/her ability to control and operate a commercial motor
vehicle safely;
(8) Has no established medical history or clinical diagnosis of epilepsy
or any other condition which is likely to cause loss of consciousness or
any loss of ability to control a commercial motor vehicle;
(9) Has no mental, nervous, organic, or functional disease or psychiatric
disorder likely to interfere with his/her ability to drive a commercial
motor vehicle safely;
(10) Has distant visual acuity of at least 20/40 (Snellen) in each eye
without corrective lenses or visual acuity separately corrected to 20/40 (Snellen)
or better with corrective lenses, distant binocular acuity of at least
20/40 (Snellen) in both eyes with or without
corrective lenses, field of vision of at least 70 deg. in the horizontal
Meridian in each eye, and the ability to recognize the colors of traffic
signals and devices showing standard red, green, and amber;
(11) First perceives a forced whispered voice in the better ear at not
less than 5 feet with or without the use of a hearing aid or, if tested by
use of an audiometric device, does not have an average hearing loss in the
better ear greater than 40 decibels at 500 Hz, 1,000 Hz, and 2,000 Hz with
or without a hearing aid when the audiometric device is calibrated to
American National Standard (formerly ASA Standard) Z24.5--1951.
(12)(i) Does not use a controlled substance identified in 21 CFR 1308.11
Schedule I, an amphetamine, a narcotic, or any other habit- forming drug.
(ii) Exception. A driver may use such a substance or drug, if the
substance or drug is prescribed by a licensed medical practitioner who:
(A) Is familiar with the driver's medical history and assigned duties; and
(B) Has advised the driver that the prescribed substance or drug will not
adversely affect the driver's ability to safely operate a commercial motor
vehicle; and
(13) Has no current clinical diagnosis of alcoholism.
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