Aetna · Acl Reconstruction · US health-plan appeal rights

Acl Reconstruction denied for failing step therapy by Aetna?

Q: How long do I have to appeal a Aetna Acl Reconstruction denial?

Internal appeal window: Typically 180 days from the denial date. External review window: Typically 60–120 days after the final internal denial. The clock starts from the date on the denial letter.

Step-therapy denials usually flip when the appeal documents that prior alternatives were tried and failed, or were contraindicated, or aren't safe for the patient.

By Michael John Ryan, Founder & Privacy Officer, DenialHelp, LLC

Last reviewed 2026-05-10

Policy data current as of 2026-04-26

US health-plan appeal rights

Cite: Most US health plans have appeal rights under either the ACA, ERISA, or Medicare/Medicaid rules

Most US health plans are required by federal law to give you both an internal appeal (where the insurer reconsiders) and an external review (where an independent reviewer decides). The exact timelines and processes depend on what kind of plan you have — marketplace / employer group, self-funded, Medicare Advantage, or Medicaid MCO — but in every case there's a window after the denial during which you have the right to fight it.

Internal appeal window

Typically 180 days from the denial date

External review window

Typically 60–120 days after the final internal denial

What Aetna typically requires

Aetna's specific coverage criteria for acl reconstruction are defined in its own published medical/coverage policy and the FDA-approved prescribing label. A successful appeal documents that your medical records satisfy each criterion those sources list — confirmed diagnosis, any required prior treatments (with dates and outcomes), and clinical severity. If the exact criteria weren't included with your denial, request them in writing; your appeal then maps each requirement to the matching fact in your chart.

Source policy: Aetna Clinical Policy Bulletin — ACL Reconstruction

The Aetna angle on Acl Reconstruction

## Why Aetna Denied ACL Reconstruction: Step Therapy

A step-therapy (also called "fail-first") denial means Aetna requires documented failure of one or more conservative treatments — typically physical therapy, bracing, or activity modification — before approving surgical reconstruction. This policy is intended to ensure that less-invasive options are tried first when clinically appropriate, but it is not a blanket prohibition on surgery.

## Why This Denial Is Appealable

Step-therapy protocols may be bypassed when conservative care is clinically contraindicated, has already been attempted and failed, or when the patient's clinical presentation makes non-surgical management inadequate. Many states have enacted step-therapy exception laws that require insurers to grant exceptions promptly when a prescribing clinician certifies that the required step is contraindicated, ineffective, or harmful. Even without state law, Aetna's own policy includes exception criteria — your appeal must address those directly.

## Federal Appeal Framework

Internal appeal: File under ERISA §503 or ACA §2719 within the deadline on your denial letter. A pre-service denial (before surgery) can be appealed on an expedited basis if delay would seriously jeopardize your health.
State step-therapy law: Many states require insurers to rule on step-therapy exception requests within a short, defined window (often 72 hours for urgent cases). Check whether your state's law applies to your plan type.
External review: If the internal appeal is denied, escalate to an accredited IRO. The standard external-review window is up to four months from final internal denial; expedited review is available for urgent cases.

## Documentation to Gather

1. Prior conservative-treatment records — Physical therapy notes, visit dates, duration of treatment, exercises performed, and objective outcomes (functional scores, range of motion, instability assessments). 2. Physician attestation of failure or contraindication — Your orthopedic surgeon's letter explaining why conservative management has failed, is unlikely to succeed, or is clinically inappropriate for your specific injury pattern. 3. Diagnosis and imaging — MRI report and clinical exam findings that characterize the injury severity and any factors (complete tear, associated injuries, high-demand activity requirements) that support earlier surgical intervention per AAOS guidance. 4. Aetna's step-therapy criteria — Download Aetna's current clinical policy bulletin for ACL reconstruction and identify the specific steps required and the exception criteria available. 5. Activity and occupation context — Documentation of your occupation, athletic participation, or daily functional demands if relevant to the surgeon's recommendation.

## Criteria-Mapping Structure

For each step Aetna requires, provide one of the following: (a) documentation that the step was completed and failed, with dates and outcomes; or (b) your surgeon's clinical explanation of why that step is contraindicated or inappropriate. Pair each explanation with the specific chart note or letter that supports it. Unaddressed steps are the most common reason step-therapy appeals are denied.

Next steps

Find the date on the denial letter — your appeal window starts there.
Read your plan's Summary of Benefits and Coverage (SBC) for the specific deadlines.
Request the insurer's claim file in writing — they must provide it.
Submit your appeal in writing with new clinical evidence and a physician statement.

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Related appeal guides

Other Aetna appeals

Other denial reasons for Aetna Acl Reconstruction

denied as not medically necessary denied as non-formulary denied for missing prior authorization denied as experimental or investigational denied as not FDA-approved for this use

This guide describes general US federal appeal rights based on Most US health plans have appeal rights under either the ACA, ERISA, or Medicare/Medicaid rules. Your specific plan documents (Summary of Benefits and Coverage, Evidence of Coverage) override anything here. DenialHelp is not your lawyer and not your physician — we draft appeal letters that your physician signs. Outcomes depend on your insurer's decision and factors outside our control. Reviewed by Michael John Ryan on 2026-05-10. Editorial standards: denialhelp.com/authors.