Summary & Overview

CPT 92499: Unlisted Ophthalmological Procedure

CPT code 92499 is an unlisted ophthalmological procedure code used to report eye-related services that lack a specific CPT descriptor. Nationally, it matters because unlisted procedure codes require additional documentation and justification for claim review and payment, increasing administrative burden and variability in reimbursement across payers. Key payers considered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

Readers will learn the clinical context for using an unlisted ophthalmology code, how payers typically approach coverage and documentation requirements, and what benchmarks and policy considerations influence claims handling. The content outlines common places where CPT code 92499 is billed — such as eye clinics, ambulatory surgical centers, and hospital outpatient departments — and explains that use of an unlisted code generally triggers requests for operative reports, procedure descriptions, and rationale for why no specific code applies. The publication summarizes typical review pathways, documentation expectations, and implications for billing workflow and revenue cycle management. Data not available in the input for specific payer policies, utilization rates, and associated ICD-10 diagnoses.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareCPT 92499ophthalmologyunlisted procedureambulatory surgeryhospital outpatientbilling documentationrevenue cycleclinical coding

Billing Code Overview

CPT code 92499 is an unlisted ophthalmological procedure code used to report eye-related procedures that do not have a specific CPT code. This code is intended for reporting distinct ophthalmic services or procedures that fall outside established, described CPT entries.

Service type: Ophthalmological procedures without a specific CPT descriptor
Typical site of service: Eye clinic, ambulatory surgical center, hospital outpatient department

Clinical & Coding Specifications

Clinical Context

A patient presents to an ophthalmology clinic for an eye procedure that does not have a specific CPT code and therefore is billed with 92499. Typical scenarios include a novel or uncommon diagnostic or therapeutic ophthalmic intervention such as an experimental imaging technique, a custom-fit ocular prosthesis adjustment, an atypical anterior segment irrigation/medication delivery that is not described by existing codes, or a unique service provided during a clinical trial. The clinical workflow begins with evaluation by an ophthalmologist or optometrist, documentation of the indication and informed consent, performance of the atypical procedure in a procedure room or ambulatory surgery center, and documentation of the technique, time, and any devices used. Billing staff append the appropriate modifier(s) to 92499 to indicate professional vs technical components, laterality, unusual circumstances, or payer-required attestations. Typical sites of service include the ophthalmology office procedure room, ambulatory surgery center, or hospital outpatient department. Payers commonly involved in adjudication include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, and Medicare.

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component

Taxonomy Code	Specialty	Notes
207P00000X	Ophthalmology	Physicians who diagnose and perform ophthalmic procedures that may require `92499`.
174400000X	Optometry	Optometrists may perform certain office procedures or diagnostic services billed with `92499` under scope of practice.
261QP2300X	Ocularist	Specialists who fabricate and fit ocular prostheses and related custom procedures.
207L00000X	Ophthalmic Plastic and Reconstructive Surgery	Surgeons performing atypical periocular or adnexal procedures without specific CPT codes.
363A00000X	Ambulatory Surgery Facility	Facility taxonomy representing sites where atypical ophthalmic procedures are performed.

ICD-10 Code	Description	Clinical Relevance
`H11.30`	Unspecified conjunctival degenerations	May prompt an atypical diagnostic or therapeutic procedure not described by existing ophthalmic CPT codes.
`H18.89`	Other corneal disorders	Complex or uncommon corneal conditions may require custom procedures billed with `92499`.
`H44.9`	Unspecified disorder of globe	Rare globe disorders sometimes require nonstandard interventions reported with an unlisted ophthalmology code.
`H59.8`	Other intraoperative and postprocedural complications and disorders of eye and adnexa	Use when managing complications that require atypical procedures billed with `92499`.
`Z51.89`	Encounter for other specified aftercare	Postoperative or unique aftercare services related to an uncommon ophthalmic procedure may be reported with `92499`.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`67028`	Intravitreal injection of a pharmacologic agent (separate procedure)	Commonly performed before or after novel ocular procedures when medical therapy is delivered; may be part of combined visit documentation.
`92250`	Fundus photography with interpretation and report	May be performed as a diagnostic adjunct to an atypical ophthalmic procedure billed with `92499`.
`92083`	Extended visual function testing (visual field exam)	Visual function testing often precedes or follows specialized procedures to establish baseline or outcomes.
`65778`	Corneal transplantation, lamellar (partial thickness)	When an unusual adjunctive procedure or modification not described by existing codes occurs, `92499` may capture the atypical component alongside definitive surgery codes.
`99024`	Postoperative follow-up visit global period, related to surgical procedure	Used for routine postoperative visits; documentation must separate any additional distinct services billed with `92499`.
`97140`	Manual therapy techniques (used rarely in periocular rehabilitation)	Occasionally used in multidisciplinary workflows where unusual therapeutic manipulation or rehabilitation adjuncts are needed with ophthalmic care.

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