Summary & Overview
CPT 92136: Ocular Biometry for IOL Power Calculation
CPT code 92136 represents noninvasive ocular biometry used to measure the eye and calculate the appropriate power for an intraocular lens (IOL) implanted after cataract removal. Accurate IOL power calculation is central to achieving targeted postoperative visual acuity and reducing the need for corrective procedures. This code is widely used in ophthalmology practices and ambulatory surgical settings where preoperative IOL planning is performed.
Key national payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Coverage and payment policies for 92136 affect access to preoperative planning services and can influence surgical outcomes and downstream costs for lens exchange or refractive correction.
Readers will find a concise overview of the clinical purpose of the code, typical sites of service, and the payer landscape. The publication summarizes common billing modifiers associated with ophthalmic diagnostic services, highlights areas where policy updates or documentation requirements commonly arise, and provides benchmark-oriented context for clinicians and billing professionals. Data not available in the input for specific fee schedules, payer-specific coverage criteria, or related ICD-10 diagnoses are noted as such.
Billing Code Overview
CPT code 92136 describes a noninvasive biometry measurement performed to determine the appropriate power for an intraocular lens (IOL) implanted after cataract removal. The service obtains ocular measurements that the provider uses to calculate IOL power to help achieve desired postoperative visual outcomes.
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Service type: Diagnostic ocular biometry for IOL power calculation
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Typical site of service: Ophthalmology clinic or ambulatory surgical center where preoperative ocular measurements are obtained
Clinical & Coding Specifications
Clinical Context
A 72-year-old patient with progressive cataract presents to an outpatient ophthalmology clinic for preoperative evaluation prior to cataract extraction with intraocular lens (IOL) implantation. The clinician performs a noninvasive ocular biometry measurement using an optical biometer to obtain axial length, keratometry, and anterior chamber depth. These measurements are used to calculate the IOL power that will achieve the desired postoperative refractive target. Typical workflow: history and focused ocular exam, confirmation of cataract as the cause of visual decline, review of prior refractive history (including previous corneal surgery), performance of 92136 biometry for one or both eyes, documentation of measurements and chosen IOL formula, and coordination of scheduling for cataract surgery. Typical site of service is an outpatient ophthalmology clinic or ambulatory surgical center where preoperative planning occurs.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when reporting only the physician's interpretation of the measurement when the technical component is billed separately. |
TC |