CPT® Code 0341T

Deleted

Quantitative pupillometry is a sophisticated, noninvasive diagnostic technique that assesses the autonomic nervous system (ANS) by measuring the size and dynamic variability of the pupils. The procedure involves the evaluation of the iris, which contains two opposing muscle rings: the sphincter muscles and the dilator muscles. The sphincter muscles encircle the pupil and are responsible for constricting it to limit the amount of light entering the eye, primarily under the control of the parasympathetic nervous system. Conversely, the dilator muscles, which extend outward like bicycle spokes, facilitate pupil dilation in low-light conditions and are regulated by the sympathetic nervous system. During the pupillometry procedure, measurements can be taken unilaterally (in one eye) or bilaterally (in both eyes) using advanced technologies such as infrared illumination or LED stimulators. The changes in pupil size are captured through a camera, and the resulting images are transferred to a computer program for analysis. A physician or trained technician interprets the data and generates a comprehensive written report detailing the findings. Quantitative pupillometry serves a critical role in the diagnosis and management of various medical conditions, including systemic lupus erythematosus, Sjogren's syndrome, rheumatoid arthritis, systemic sclerosis, omathropine-resistant non-cholinergic myosis, glaucoma, acute mountain sickness, hepatic encephalopathy, and congenital central hypoventilation syndrome. Additionally, it is utilized to assess and monitor patients experiencing severe head injuries or neurological deterioration due to intracranial issues, as well as to evaluate pain levels during anesthesia or medically induced coma.