CPT® Code 83861

Microfluidic analysis of tear osmolarity is a specialized diagnostic procedure aimed at assessing dry eye disease. This analysis focuses on the osmolarity of tears, which refers to the concentration of solutes in the tear film. Hyperosmolarity indicates a disruption in the quantity or quality of tears produced, serving as a primary marker for dry eye disease. Tears are crucial for maintaining the integrity of the eye's surface, providing protection against infections, and ensuring clear vision. When the production of tears is inadequate or their quality is compromised, it can lead to significant ocular surface damage. This damage may manifest as eye infections, dryness of the corneal epithelium, and even severe complications such as corneal ulceration or perforation. During the procedure, a sample of tear film is collected from each eye using an integrated collection and analysis device. The collected sample from one eye is analyzed to evaluate specific criteria related to the tear film, and the osmolarity measurement is displayed on a panel. This process is then repeated for the second eye. The eye exhibiting the highest osmolarity level is used to assess whether the patient has normal tear osmolarity or is experiencing dry eye disease. The results of this measurement help classify the severity of dry eye disease into categories of mild, moderate, or severe, guiding further management and treatment options.