Ariz. Admin. Code § 17-4-501
In addition to the definitions provided under A.R.S. §§ 28-101, 28-3001, and 28-3005, in this Article, unless otherwise specified:
"Adaptation" means a modification of or addition to the standard operating controls or equipment of a motor vehicle.
"Applicant" means a person:
Applying for an Arizona driver license or driver license renewal, or
Required by the Department to complete an examination successfully or to obtain an evaluation.
"Application" means the Department form required to be completed by or for an applicant for a driver license or driver license renewal.
"Aura" means a sensation experienced before the onset of a neurological disorder.
"Commercial driver license physical qualifications" means driver medical qualification standards for a person licensed in class A, B, or C to operate a commercial vehicle as prescribed under 49 CFR 391, incorporated by reference under A.A.C. R17-5-202 and R17-5-204.
"Disqualifying medical condition" means a visual, physical, or psychological condition, including substance abuse, that impairs functional ability.
"Evaluation" means a medical assessment of an applicant or licensee by a specialist to determine whether a disqualifying medical condition exists.
"Examination" means testing or evaluating an applicant's or licensee's:
Ability to read and understand official traffic control devices,
Knowledge of safe driving practices and the traffic laws of this state, and
Functional ability.
"Functional ability" means the ability to operate safely a motor vehicle of the type permitted by an Arizona driver license class or endorsement.
"Licensee" means a person issued a driver license by this state.
"Licensing action" means an action by the Department to:
Issue, deny, suspend, revoke, cancel, or restrict a driver license or driving privileges; or
Require an examination or evaluation of an applicant or licensee.
"Medical alert code" means a system of numerals or letters indicating the licensee suffers from some type of adverse medical condition.
"Medical screening questions and certification" means the questions and certification on the application.
"Neurological disorder" means a malfunction or disease of the nervous system.
"Seizure" means a neurological disorder characterized by a sudden alteration in consciousness, sensation, motor control, or behavior, due to an abnormal electrical discharge in the brain.
"Specialist" means:
A physician who is a surgeon or a psychiatrist,
A physician whose practice is limited to a particular anatomical or physiological area or function of the human body or to patients with a specific age range, or
A psychologist.
"Substance abuse" means:
Use of alcohol in a manner that makes the user an alcoholic as defined in A.R.S. § 36-2021, or
Use of a controlled substance in a manner that makes the user a drug dependent person as defined in A.R.S. § 36-2501.
"Substance abuse evaluation" means an assessment by a physician, specialist, or certified substance abuse counselor to determine whether the use of alcohol or a drug impairs functional ability.
"Successful completion of an examination" means an applicant or licensee:
Establishes the visual, physical, and psychological ability to operate a motor vehicle safely, or
Achieves a score of at least 80% on any required tests.
Ariz. Admin. Code § R17-4-501