01/16/2025
Mental Disqualifying Conditions
DOT disqualifying mental conditions include:
Depression. Including a history of psychosis – such as schizophrenia – suicidal ideation, homicidal ideation, or a su***de attempt. A certification determination is not based on diagnosis alone. Instead, the actual ability to drive a CMV safely should be determined by an evaluation focused on function and relevant history. Given that depression often goes undiagnosed, a medical examiner may also ask about an individual’s interest in daily activities and any feelings of depression or hopelessness.
Attention deficit hyperactivity disorder (ADHD). Adult ADHD or ADD may include co-morbid antisocial or borderline personality disorder and/or other disorders, side effects of medication, and a high incidence of substance abuse. However, a medical examiner may consider any treatment routine when making a qualification determination.
Bipolar mood disorder. The two major groups of mood disorders are bipolar and depressive disorders. Bipolar disorder is characterized by one or more manic episodes and is usually accompanied by one or more depressive episodes. Again, certification may be given based on the ability to drive a CMV safely.
Anti-personality disorder. FMCSA standards require that any personality disorder characterized by excessive, aggressive, or impulsive behaviors must warrant further assessment to establish whether such traits are serious enough that they are likely to interfere with the ability to drive a CMV safely.
Post-traumatic stress disorder (PTSD). The disorder can be associated with behavior changes, mood swings, and suicidal ideations.
Dementia. Driving a CMV requires memory, alertness, concentration, communication, organizational skills, attentiveness, performing simple and complicated tasks, and awareness of one’s surroundings. Therefore, a driver with dementia may not be capable of controlling a CMV safely due to cognitive deficits.