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CPT 65800: Anterior Chamber Drainage and Aqueous Removal
CPT code 65800 represents an ophthalmic surgical procedure to drain the anterior chamber and remove aqueous humor, commonly used when the central retinal artery is occluded or when acute intraocular decompression is needed to prevent permanent vision loss. Nationally, this code is important because it captures urgent, vision-preserving interventions performed by ophthalmic surgeons in hospital operating rooms or ambulatory surgical centers. Reimbursement and policy decisions for this code affect access to timely care for vision-threatening events.
Key payers covered in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical context for the procedure, benchmarks and utilization patterns (where available), common billing modifiers, and practical notes about typical sites of service. The publication outlines coding considerations relevant to payers and billing teams and summarizes policy updates that commonly influence coverage and prior authorization practices. Clinical context explains indications and urgency tied to central retinal artery occlusion and similar acute ocular conditions.
This summary equips billing managers, revenue cycle teams, and clinical leaders with the essential information needed to locate the code in fee schedules, align claims with clinical documentation, and anticipate payer policies that influence approval and reimbursement for urgent ophthalmic surgical care.
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Billing Code Overview
CPT code 65800 describes a surgical procedure to drain fluid from the anterior chamber of the eye and to remove aqueous humor, the thin, watery fluid that fills the space between the cornea and the iris. The procedure is typically performed when the central retinal artery is blocked or when rapid decompression of intraocular pressure is required to prevent permanent vision loss.
Service type: Ophthalmic surgical procedure — anterior chamber drainage / aqueous removal
Typical site of service: Hospital operating room or ambulatory surgical center