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Meniscus Tear: when insurers say no, reviewers often say yes

In 12 published external-review decisions involving meniscus tear, independent physician reviewers overturned the insurer’s denial 25% of the time.

Published decisions
12
2001–2026
Overturned
25%
3 denials reversed

What the insurer actually argued

Denials fall into different categories, and they don’t succeed equally — so the reason on your letter changes how you should answer it.
Reason givenDecisionsOverturned
Medical Necessity
The plan said the care wasn’t medically necessary. The most common fight, and the most winnable.
9
33.3%
Experimental/Investigational
The plan called the treatment unproven. These turn on published evidence, so the appeal is a literature argument.
3
0%
Typical time to a decision
19 days
Most land between 5 and 20 days
Handled as urgent
33.3%
Expedited when a delay would cause harm
What the reviewers wrote
Excerpts from the independent reviewers’ published findings — the actual reasoning, quoted, not summarised.

Where the denial was overturned

Nature of Statutory Criteria/Case Summary: An enrollee has requested authorization and coverage for magnetic resonance imaging (MRI). The Health Plan has denied this request indicating that the requested diagnostic procedure is not medically necessary for evaluation of the enrollee’s knee pain.Nationally recognized evidence based medical guidelines recommend MRI of the knee for patients with acute trauma to the knee or if suspected posterior knee dislocation or ligament or cartilage disruption. For children or adolescents with nontraumatic knee pain, MRI is the next study after nondiagnostic radiographs, if internal derangement is suspected. Medical literature reported an increasing number of individuals between the ages of 5-18 with a corresponding increase of acute and chronic injuries.
Medical Necessity · 2018 · IMR MN18-27989
The enrollee is requesting authorization and coverage for Synvisc-One injection in the left knee. The patient’s pertinent diagnoses are degenerative joint disease of the knee, synovitis, meniscus tear, primary osteoarthritis of the left knee, and chondromalacia. The patient has been treated in the past with rest, several non-steroidal anti-inflammatory drugs, cortisone injections, braces, physical therapy and lifestyle changes; with minimal improvements in the underlying degenerative joint disease. With established efficacy of hyaluronic acid injections, and failure of other conservative treatments, including oral medication and corticosteroid injections, a repeated Synvisc-One injection is appropriate and medically necessary for this patient’s degenerative joint disease of the knee.
Medical Necessity · 2020 · IMR MN20-33368

Where the denial was upheld

Worth reading too — these show what an appeal has to overcome.
Physician 1: The patient is a 55-year-old female who underwent reconstruction of her right anterior cruciate ligament (ACL) and torn menial meniscus. The patient’s provider recommended a continuous passive motion (CPM) device for rehabilitation. The Health Plan has denied coverage for the equipment at issue on the basis it is considered investigational.There is insufficient evidence supporting the use of a CPM device in this case. There is no class I data demonstrating superior ACL outcomes with use of a CPM device as opposed to standard rehabilitation modalities. The use of CPM in this case was excessive and not medically warranted. Accordingly, I have determined the equipment at issue was not likely to be more beneficial for treatment of the patient’s medical condition than any available standard therapy.
Experimental/Investigational · 2005 · IMR EI05-4281
Nature of Statutory Criteria/ Case Summary: The enrollee requested authorization and coverage for Euflexxa injections. Findings: The physician reviewer found that the enrollee has a history of bilateral knee pain and instability of the patella as well as subluxations and pain rated between 0/10 and 8/10. Patella grind and patella apprehension are both positive. Imaging is negative on x-rays for joint space narrowing. An MRI showed an anterior cruciate ligament (ACL) tear on the right knee, mild chondromalacia and patella alta. An MRI of the left knee showed a degenerative meniscus tear and mild cartilage loss. Treatments for her patella instability include activity modification, and steroid injections. She reports this has helped her, as has her physical therapy treatments.
Medical Necessity · 2019 · IMR MN19-31053

Figures and quotations on this page come from 42,749 published decisions in the California DMHC Independent Medical Review dataset. These are California outcomes — every state runs an equivalent external review, but the rates here are California’s. Excerpts are quoted verbatim from the public record and describe this condition generally, not any individual case.

How to use this in your appeal

These outcomes come from California’s external review program — an independent physician panel whose decision binds the insurer. Every state has an equivalent, and internal appeals succeed even more often. If your care for meniscus tear was denied, the published record says the denial is worth fighting.

SOURCE: CALIFORNIA DMHC INDEPENDENT MEDICAL REVIEW OUTCOMES (CHHS OPEN DATA) · DERIVED AGGREGATE STATISTICS ONLY · METHODOLOGY

Not legal or medical advice. Coverage Rights is a self-help tool that helps you prepare your own appeal. For advice about your specific situation, talk to a licensed attorney or your doctor.

Fighting a denial for meniscus tear? 25% won.

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