CPT code 65436 denotes a corneal epithelial removal procedure using a chelating agent (for example, EDTA) to debride injured or damaged corneal epithelium. Nationally, this code represents a specific ophthalmic therapeutic procedure performed in outpatient settings and is relevant for ophthalmologists, ambulatory surgical centers, and payers managing ocular surface disease care. Accurate coding affects clinical documentation, claims processing, and reimbursement for corneal surface interventions.

Key payers included in the scope are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical context for this procedure, the typical site of service, and which payers commonly cover or adjudicate claims for similar ophthalmic procedures. The publication summarizes common billing considerations, payer coverage patterns, and benchmarking references where available. It also highlights operational factors important for coding and claims submission, and outlines areas where additional policy clarification or clinical documentation often arises. Data not available in the input is noted where specific payer policies, associated taxonomies, ICD-10 diagnoses, and related codes would otherwise be detailed.