Summary & Overview
CPT 92317: Corneoscleral Contact Lens Fitting, Provider Supervision
CPT code 92317 covers the provider-prescribed and supervised fitting of a corneoscleral contact lens by an independent technician. Corneoscleral lenses are specialized rigid lenses used in niche ophthalmic care—most often for severe ocular surface injury such as conjunctival burns or to prevent symblepharon. This service reflects a focused, clinically driven intervention that supports vision preservation and ocular surface protection when standard soft lenses are unsuitable. Nationally, the code is relevant to specialty eye care providers, outpatient ophthalmology clinics, and payers with coverage policies for advanced contact lens fittings.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find information on clinical context and typical sites of service, guidance on where the code is used in practice, and an overview of benchmarking and policy considerations that commonly apply to specialty lens fittings. The publication summarizes coding intent, clinical indications, and operational settings, and highlights areas where payers often define medical necessity and documentation expectations. Data not available in the input is noted where applicable, and the piece focuses on national implications rather than state-specific rules.
Billing Code Overview
CPT code 92317 describes the provider-prescribed and supervised fitting of a corneoscleral contact lens by an independent technician. Corneoscleral lenses are typically rigid (not soft) and are used primarily in specialized clinical situations such as management of conjunctival burns or to prevent symblepharon (adhesions between the conjunctiva and eyelid).
Service type: Contact lens fitting and supervision
Typical site of service: Ophthalmology or optometry clinic with specialty lens fitting capability, or an outpatient specialty eye care setting where rigid corneoscleral lenses are fitted and adjusted.
Clinical & Coding Specifications
Clinical Context
A 45-year-old patient with a history of severe chemical burn to the eye presents for specialty contact lens management to protect the corneal surface and prevent conjunctival adhesions (symblepharon). The ophthalmologist evaluates the ocular surface, documents scarring and adnexal involvement, prescribes a corneoscleral lens, and supervises an independent contact lens technician fitting the device. The workflow includes initial diagnostic evaluation, trial lens selection by the technician under the providers prescription, in-office fitting and adjustment sessions, and follow-up visits to assess fit, comfort, epithelial health, and prevention of symblepharon. The typical site of service is an ophthalmology clinic or ambulatory surgery/office setting equipped for specialty contact lens fitting and ocular surface evaluation.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
11 | Normal or typical procedural service | Use when this service is performed under usual circumstances without unusual complexity. |
22 | Increased procedural services | Use when the fitting and supervision require substantially greater work than typical (document justification). |