Cataract Removal Surgery — CPB 0508 | AETNA Coverage Update

TL;DR: Aetna, a CVS Health company, modified CPB 0508 governing cataract removal surgery coverage policy, effective January 5, 2026. Billing teams need to review pre-operative testing documentation, visual acuity thresholds, and IOL upgrade billing rules before submitting claims.

Aetna's cataract surgery coverage policy under CPB 0508 Aetna system touches a wide range of codes — from pre-op diagnostic ultrasounds like CPT 76512 to the full suite of cataract removal codes in the 66820–66900 range. If your practice handles ophthalmic surgery billing, this update affects your charge capture, your pre-authorization workflows, and how you document medical necessity for both standard and complex cases. Here's what changed and what to do about it.

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Quick-Reference Table

Field	Detail Copy
Payer	Aetna, a CVS Health company
Policy	Cataract Removal Surgery — CPB 0508
Policy Code	CPB 0508
Change Type	Modified
Effective Date	January 5, 2026
Impact Level	High
Specialties Affected	Ophthalmology, Ophthalmic Surgery, Ambulatory Surgery Centers
Key Action	Audit pre-op documentation and IOL upgrade billing against updated medical necessity criteria before submitting claims dated on or after January 5, 2026

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Aetna Cataract Surgery Coverage Criteria and Medical Necessity Requirements 2026

The core structure of Aetna's cataract removal surgery coverage policy under CPB 0508 is built around three gates: pre-operative testing, visual acuity thresholds, and functional impairment. All three must be satisfied to support a medical necessity determination.

Pre-Operative Diagnostic Testing

Aetna covers specific pre-op tests as medically necessary before cataract surgery. The standard pathway requires either a comprehensive eye examination or a brief/intermediate examination, plus an A-scan (A-mode ultrasound) to calculate the appropriate intraocular lens (IOL) power.

The following specialized ophthalmologic services are covered for routine pre-op workup:

CPT 76512 (B-scan ultrasound) is covered when direct retinal visualization is difficult or impossible. That includes cases involving severe lid edema, corneal opacities, hyphema, hypopyon, dense cataracts, pupillary membranes, or vitreous hemorrhage. B-scan is also covered for pre-operative workup in Morgagnian cataract specifically.

One important billing point: contrast sensitivity testing, glare testing (BAT), and potential acuity meter (PAM) testing are considered integral to the eye exam. They are not separately reimbursed. If your team has been billing these separately, stop. You will not get paid, and repeated attempts generate claim denial exposure.

Visual Acuity and Medical Necessity Criteria

For members with a best correctable Snellen visual acuity of 20/50 or worse, Aetna requires all three of the following criteria to be met simultaneously.

Subjective: The member reports that their ability to carry out needed or desired activities is impaired. This includes driving, reading, occupational needs, or impact on independence and income. Document the patient's own statements. Validated instruments like the VF-14, activities of daily vision scale, or visual activities questionnaire satisfy this requirement.

Objective: Best correctable Snellen acuity in the affected eye is 20/50 or worse. The exam confirms the cataract — not another condition — is the limiting factor for visual function. The member's overall medical and mental health must permit safe surgery.

Educational: The member has been informed about the risks and benefits of cataract surgery. Document this conversation in the chart.

All three must be present. Missing even one creates a medical necessity gap that Aetna will use to deny the claim or recoup payment on audit.

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Aetna Cataract Surgery Exclusions and Non-Covered Indications

Aetna's coverage policy draws clear lines around what gets paid and what doesn't. Some of these are obvious. Others catch practices off guard.

Separately billed testing that's bundled into the exam is the most common billing mistake here. Glare testing, contrast sensitivity, and PAM testing are bundled. Billing them on separate lines results in automatic denial — not a medical necessity dispute, just a clean technical denial.

Premium IOL upgrades and femtosecond laser-assisted cataract surgery (FLACS) fall into a separate category. Aetna's CPB 0508 groups codes CPT 66820 through the high-numbered cataract removal codes (66821–66900 range) under the femtosecond laser and capsular tension ring category. The standard surgical benefit covers routine cataract removal. The incremental cost of premium technology — FLACS, toric IOLs for astigmatism correction, multifocal IOLs — is not covered under the medical benefit and cannot be billed as medically necessary unless specific criteria are met.

If your practice performs FLACS routinely, the medical benefit and out-of-pocket upgrade billing need to be clearly separated in your charge capture. Billing the laser component as part of the covered surgery is a reimbursement risk and a compliance risk.

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Coverage Indications at a Glance

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Aetna Cataract Surgery Billing Guidelines and Action Items 2026

These steps apply to any claim dated on or after January 5, 2026, the effective date of this CPB 0508 revision.

Copy Action Items

If your practice does high volume Aetna cataract billing and you're unsure how these criteria map to your current templates, bring in your billing consultant before submitting January 2026 claims. Getting this wrong on volume is expensive to fix retroactively.

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CPT, HCPCS, and ICD-10 Codes for Cataract Surgery Under CPB 0508

Covered CPT Codes (When Selection Criteria Are Met)

The table below lists the confirmed CPT codes from Aetna CPB 0508. The cataract removal codes span a wide range — from standard phacoemulsification to complex cases requiring capsular tension rings and femtosecond laser techniques.

The full policy at CPB 0508 Aetna lists 249 total CPT codes. The codes above represent the confirmed codes from the provided policy data. Access the full code list at app.payerpolicy.org/p/aetna/0508.

Key ICD-10-CM Diagnosis Codes

The policy data references 89 ICD-10-CM codes. The specific codes were not fully included in the provided policy extract. Pull the complete ICD-10 list directly from CPB 0508 at app.payerpolicy.org/p/aetna/0508 to confirm your diagnosis coding maps to covered indications. Common cataract diagnoses in the H25–H28 range (age-related cataract, combined forms, cataract in diseases classified elsewhere) should be your starting point for cross-referencing.

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