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Diastasis Recti: when insurers say no, reviewers often say yes

In 18 published external-review decisions involving diastasis recti, independent physician reviewers overturned the insurer’s denial 16.7% of the time.

Published decisions
18
2001–2026
Overturned
16.7%
3 denials reversed

Most-fought treatments for diastasis recti

What insurers denied — and how those fights ended.
CategoryDecisionsOverturned
Abdominoplasty11
0%
Panniculectomy3
0%
Typical time to a decision
21 days
Most land between 20 and 23 days
Handled as urgent
16.7%
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 reconstructive abdominoplasty for treatment of the enrollee’s diastasis recti. Findings: The physician reviewer found that this patient presents with an abdominal bulge, abdominal pain, weakness and back pain attributed to a documented large diastasis recti of the abdomen. Work-up of other potential causes of her abdominal condition have not been able to identify a cause other than the diastasis recti. This has included multiple CT scans and plain radiographs. In addition, her condition has appeared to have worsened as the most recent CT evaluation noted the presence of the transverse colon within her protuberance. The repair of diastasis recti is not generally considered to be a functional treatment but can be an integral part to cosmetic procedures, namely abdominoplasty.
Medical Necessity · 2017 · IMR MN17-26299
A 50-year-old female enrollee has requested surgical correction of diastasis recti for treatment of her medical condition. Findings: The physician reviewer found that the patient’s records describe the patient to have abdominal pain, which may constitute an abnormal state from some structure or disease process that has not yet been fully diagnosed. Umbilical hernias can cause abdominal pain as suggested by the patient’s primary care physician but a thorough abdominal examination has not been well documented. The patient’s weight and height could be considered an overweight condition. Thus, there could be an abdominal pannus contributing to the patient’s pain and referral to a plastic surgeon may help diagnose this patient’s condition.
Medical Necessity · 2011 · IMR MN11-12422

Where the denial was upheld

Worth reading too — these show what an appeal has to overcome.
Findings: The physician reviewer found that Nature of Statutory Criteria/Case Summary: The patient has requested authorization and coverage for surgical procedures. According to medical study guidelines, when surgery to remove extensive skin redundancy and fat folds is performed solely to enhance a patient’s appearance in the absence of any signs or symptoms of functional abnormalities, the procedure should be considered cosmetic in nature. Similarly, in the case of skin laxity requiring resection with a panniculectomy, the authors reported that “A panniculectomy must meet specific criteria to be medically necessary. The pannus must hang below the level of the pubis and be confirmed with photography. Patients must fail medical treatment of intertrigo for three months. Medical treatment includes good hygiene, topical antifungals, corticosteroids, and antibiotics.
Medical Necessity · 2024 · IMR MN24-42110
Nature of Statutory Criteria/Case Summary: A patient has requested authorization and coverage for muscle, myocutaneous, or fasciocutaneous flap trunk; excision, excessive skin and subcutaneous tissue (includes lipectomy); other area; insertion, drug-delivery implant (i.e., bioresorbable, biodegradable, non biodegradable). A muscle, myocutaneous, or fasciocutaneous flap trunk procedure is used for rectus diastasis repair to narrow a fascial gap between the rectus abdominus muscles. One study reports that diastasis recti abdominis is characterized by the lateral deviation of the two abdominal rectus muscles. The authors note that patients with diastasis recti abdominis report several symptoms including lumbopelvic pain, abdominal weakness, urinary incontinence, and issues with self-esteem.
Medical Necessity · 2025 · IMR MN25-44104

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 diastasis recti 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 diastasis recti? 16.7% won.

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