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Deformities: when insurers say no, reviewers often say yes

In 35 published external-review decisions involving deformities, independent physician reviewers overturned the insurer’s denial 57.1% of the time.

Published decisions
35
2001–2026
Overturned
57.1%
20 denials reversed

Most-fought treatments for deformities

What insurers denied — and how those fights ended.
CategoryDecisionsOverturned
Orthotics4
50%
Prosthesis3
0%
Jaw Surgery3
66.7%

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.
28
57.1%
Experimental/Investigational
The plan called the treatment unproven. These turn on published evidence, so the appeal is a literature argument.
7
57.1%
Typical time to a decision
20 days
Most land between 9 and 21 days
Handled as urgent
20%
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

Findings: The physician reviewer found that Nature of Statutory Criteria/Case Summary: A patient has requested authorization and coverage for surgical procedures performed to either or both thighs. One study states that, “The use of autologous grafted subcutaneous adipose tissue is increasing in popularity worldwide for soft tissue augmentation, especially on the face, breast, and buttocks. This is known as autologous fat transfer (AFT). Advantages of this technique include complete biocompatibility, natural feel of tissue, easy availability of donor tissue in most patients… and potentially permanent results.
Medical Necessity · 2024 · IMR MN24-42976
Nature of Statutory Criteria/Case Summary: The patient has been diagnosed with a left ring finger proximal interphalangeal (PIP) joint flexion contracture. Physical examination findings included mild swelling of the left ring finger. Left ring finger PIP joint range of motion was to 45 degrees in extension. The collateral ligaments were stable to stress testing, and the patient denied experiencing pain on stress testing. There was reasonable strength and intact sensation. In a letter, the provider noted the patient sustained trauma to his left ring finger. The patient has been treated with hand therapy with dynamic splinting and range of motion exercises. The provider noted that the patient developed a flexion contracture of the PIP joint, which was static.
Medical Necessity · 2020 · IMR MN20-32960

Where the denial was upheld

Worth reading too — these show what an appeal has to overcome.
Physician 1: The patient is a 62-year-old male who primarily has a metatarsophalangeal joint (MPJ) Dupuytren’s contracture. He has requested authorization and coverage for a needle aponeurotomy. The Health Plan has denied this request indicating that the efficacy of needle aponeurotomy has not yet been established.Needle aponeurotomy is a commonly used technique in France for the management of Dupuytren’s contracture. Currently, there are very few surgeons in the United States who use this approach to treat Dupuytren’s disease. The technique involves inserting needles underneath the skin to divide the cord that is contracting the digit. Because the procedure does not involve a skin incision, it is less morbid than a standard Dupuytren’s release.
Experimental/Investigational · 2006 · IMR EI06-5318
Nature of Statutory Criteria/Case Summary: An enrollee has requested authorization and coverage for morphine sulfate ER 45 mg two times daily. The Health Plan has denied this request indicating that the requested medication quantity is not medically necessary for treatment of the enrollee’s chronic pain syndrome. Findings: The submitted documentation fails to demonstrate the medical necessity of the requested medication quantity in this clinical setting. The step wise World Health Organization ladder for pain relief is considered a reasonable approach for pain control in the palliative and the non-palliative setting. However, in the documentation available for review, there are no objective treatment goals for pain and function noted for the requested medication.
Medical Necessity · 2018 · IMR MN18-28619

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 deformities 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 deformities? 57.1% won.

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