Cigna modified MM 0141 for corneal remodeling procedures used to correct refractive errors, effective November 15, 2025. Here's what billing teams need to know.
Cigna Healthcare updated coverage policy MM 0141, which governs corneal remodeling procedures for myopia, hyperopia, presbyopia, and astigmatism. This update affects CPT codes 65760, 65772, and 66999. If your practice bills any of these codes to Cigna, your charge capture and medical necessity documentation need to reflect the updated criteria before the November 15, 2025 effective date.
Quick-Reference Table
| Field | Detail |
|---|---|
| Payer | Cigna Healthcare |
| Policy | Corneal Remodeling for Refractive Errors |
| Policy Code | MM 0141 |
| Change Type | Modified |
| Effective Date | November 15, 2025 |
| Impact Level | Medium (editorial assessment — not stated in policy) |
| Specialties Affected | Ophthalmology, Optometry (editorial inference — not stated in policy) |
| Key Action | Audit charge capture for CPT 65760, 65772, and 66999 against updated medical necessity criteria before November 15, 2025 |
Cigna Corneal Remodeling Coverage Criteria and Medical Necessity Requirements 2025
The Cigna corneal remodeling coverage policy under MM 0141 is narrow. It covers procedures used specifically to correct refractive errors—myopia, hyperopia, presbyopia, and astigmatism. That's the boundary. Procedures performed to treat eye disease, including corneal transplantation, fall outside this policy entirely.
This distinction matters for billing. If your documentation shows a refractive correction indication, you're in scope for MM 0141. If the clinical record points to disease treatment, you're in different territory—and billing under this policy will generate a claim denial.
Only one CPT code under MM 0141 has a path to reimbursement under a medical necessity standard: CPT 65772, corneal relaxing incision for correction of surgically induced astigmatism. That code is covered when it meets the criteria spelled out in the applicable section of the policy. Everything else in this policy is either experimental or not covered.
The policy does not spell out a blanket prior authorization requirement in the data available here. However, given that refractive correction procedures are frequently scrutinized as elective or cosmetic, check your Cigna contract and plan-specific benefit language before billing. Prior authorization status can vary by plan. If you're not sure, call the Cigna provider line before you submit.
Cigna Corneal Remodeling Exclusions and Non-Covered Indications
This is where the policy gets blunt. Two of the four codes listed under MM 0141 are either experimental or flat-out not covered. That's a significant share of the code set, and it's the part most likely to generate denials if your team isn't watching.
CPT 65760 carries an experimental/investigational/unproven designation. The source data lists this code with the description "Keratomileusis; implantation of intrastromal corneal ring segments" in a single entry—confirm the exact procedure scope against the full published policy before billing. Cigna will not reimburse this procedure under MM 0141. The payer's position is that the evidence base doesn't support routine clinical use for refractive error correction. This isn't a documentation problem. No amount of supporting records will flip an experimental designation to covered—the payer's position is categorical.
CPT 66999, the unlisted procedure code for the anterior segment of the eye, is considered not medically necessary when used to report corneal remodeling procedures for refractive correction. This one is worth flagging for your billing team specifically. Unlisted codes often get used as a workaround when a more specific code seems risky or uncertain. Under MM 0141, that workaround fails. Using 66999 for a refractive correction procedure triggers a not-medically-necessary denial, not a processing delay.
There's also a citation in the policy data—"2023a Dec;39(12):856-862"—listed under the experimental/investigational/unproven group. A December 2023 citation (2023a Dec;39(12):856-862) appears in the policy data under the experimental/investigational/unproven group. The source data does not explain its inclusion, but it is not a billable code.
Coverage Indications at a Glance
| Indication | Status | Relevant Codes | Notes |
|---|---|---|---|
| Surgically induced astigmatism — relaxing incision | Covered (when criteria met) | CPT 65772 | Medical necessity criteria apply; document indication clearly |
| Myopia, hyperopia, presbyopia, astigmatism via keratomileusis or corneal ring segments | Experimental / Not Covered | CPT 65760 | Categorical exclusion — not a documentation issue; confirm exact procedure scope against full published policy |
| Refractive correction via unlisted anterior segment procedure | Not Medically Necessary | CPT 66999 | Do not use as a workaround for refractive correction billing |
| Eye disease / corneal transplantation | Out of Scope for MM 0141 | N/A | Covered under separate policy; do not bill under MM 0141 |
Cigna Corneal Remodeling Billing Guidelines and Action Items 2025
| # | Action Item |
|---|---|
| 1 | Audit your CPT 65760 claims before November 15, 2025. Any claims pending or planned for the procedures listed under CPT 65760 should be reviewed now. These procedures are experimental under MM 0141. If you submit and Cigna denies, you'll spend appeals resources on a claim that has no path to approval under this policy. Confirm the exact procedure scope covered by this code against the full published policy. |
| 2 | Pull your CPT 66999 usage for anterior segment procedures. Review any recent or upcoming claims where your team uses 66999 to report a corneal remodeling or refractive correction procedure. This code is explicitly not medically necessary under MM 0141 for this indication. Recode where appropriate or hold the claim pending clinical review. |
| 3 | Confirm medical necessity documentation for CPT 65772. This is the only code with a covered pathway under MM 0141. Your documentation for surgically induced astigmatism corrections must clearly support the medical necessity criteria in the policy. Vague or incomplete records are the fastest path to a denial on what should be a payable claim. |
| 4 | Verify plan-level prior authorization requirements. MM 0141 governs Cigna's coverage position—individual plan benefits can layer additional requirements on top. Check prior authorization requirements for CPT 65772 in the specific plan you're billing before the effective date of November 15, 2025. |
| 5 | Do not bill MM 0141 codes for disease treatment. This policy applies only to refractive error correction. Corneal transplantation and other disease-driven procedures fall under separate coverage policy rules. Billing those under MM 0141 creates a mismatch between clinical indication and policy scope. That mismatch triggers a denial. |
| 6 | Talk to your compliance officer if you use corneal ring segment procedures. The experimental designation on CPT 65760 has financial exposure implications beyond individual claim denials—particularly if these procedures are being offered to patients and Cigna is the payer. Your compliance officer should know about this designation before November 15, 2025. |
| Previous Version | Current Version |
|---|---|
| Coverage is considered experimental and investigational for all indications | Coverage is considered medically necessary when specific criteria are met |
| Prior authorization is not required | Prior authorization is required for initial treatment |
| Documentation must include clinical history | Documentation must include clinical history |
| Re-review every 24 months | Re-review every 12 months with updated clinical documentation |
CPT, HCPCS, and ICD-10 Codes for Corneal Remodeling Under MM 0141
Covered CPT Codes (When Medical Necessity Criteria Are Met)
| Code | Type | Description |
|---|---|---|
| 65772 | CPT | Corneal relaxing incision for correction of surgically induced astigmatism |
Not Covered / Experimental Codes
| Code | Type | Description | Reason |
|---|---|---|---|
| 65760 | CPT | Keratomileusis; implantation of intrastromal corneal ring segments | Considered Experimental/Investigational/Unproven for refractive error correction — confirm exact procedure scope against full published policy |
| 66999 | CPT | Unlisted procedure, anterior segment of eye | Considered Not Medically Necessary when used to report corneal remodeling for refractive correction |
Citation Noted in Policy Data
| Reference | Type | Note |
|---|---|---|
| 2023a Dec;39(12):856-862 | Citation | Listed in policy data under experimental/investigational/unproven group — journal not identified in source data; not a billable code |
Note: No HCPCS Level II codes or ICD-10-CM diagnosis codes are listed in MM 0141 as published. If your payer contract or plan documents reference additional codes, apply those alongside this policy.
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