Summary & Overview
CPT 65770: Artificial Cornea Implantation (Keratoprosthesis)
CPT code 65770 denotes implantation of an artificial cornea (keratoprosthesis) to replace a damaged or severely diseased cornea and restore vision. This high-complexity ophthalmic surgery is used when conventional corneal transplantation is unsuitable or has failed. Nationally, the procedure is significant for patients with severe corneal disease, with implications for surgical capacity, specialty referral patterns, and payer coverage determinations.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication outlines what these payers typically consider when adjudicating claims for complex ophthalmic surgeries and highlights areas where coverage policy language can affect access and reimbursement.
Readers will find benchmarks for utilization and reimbursement patterns, clinical context on when a keratoprosthesis is indicated versus standard corneal transplant, and summaries of common payer policy features relevant to authorization and coding. The report also flags areas where coding clarity and documentation affect claims processing. Data not available in the input is noted where applicable.
Billing Code Overview
CPT code 65770 describes the surgical replacement of a damaged or severely diseased cornea with an artificial cornea to restore sight. This procedure is an advanced ophthalmic surgical service addressing corneal failure when native tissue repair is not feasible.
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Service type: Surgical implantation of an artificial cornea (keratoprosthesis)
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Typical site of service: Hospital operating room or ambulatory surgical center
Clinical & Coding Specifications
Clinical Context
A typical patient is a 60-year-old with end-stage corneal disease (e.g., multiple failed penetrating keratoplasties, severe corneal scarring, or advanced limbal stem cell deficiency) who has poor visual acuity, pain, or risk of globe perforation despite medical and conventional surgical therapies. The ophthalmic surgeon evaluates the patient in the clinic with slit-lamp biomicroscopy, corneal topography, and anterior segment OCT. When standard donor corneal transplantation is contraindicated or expected to fail (for example, severe ocular surface disease, multiple graft failures, or stromal vascularization), the team discusses artificial corneal implantation (keratoprosthesis) as an option.
Preoperative workflow includes medical clearance, informed consent detailing risks (device extrusion, retroprosthetic membrane, glaucoma, endophthalmitis), baseline visual acuity and intraocular pressure measurement, and coordination with anesthesia for an operating room procedure. Intraoperative steps involve explant of diseased cornea as needed, implantation of the keratoprosthesis device, possible concurrent procedures (e.g., glaucoma drainage device placement, eyelid surgery), and placement of a bandage contact lens or tarsorrhaphy for ocular surface protection. Postoperative care includes topical antibiotics and steroids, frequent clinic visits for monitoring device position, ocular surface integrity, intraocular pressure, and management of complications. Typical site of service is an ambulatory surgical center or hospital operating room specializing in ophthalmic procedures.
Coding Specifications
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