Pneumatic Vest for Respiratory System: 52.9% of denials overturned
In 17 California IMR decisions from 2003 to 2025, reviewers overturned 9 (52.9%). In the last five years: 66.7% of 6. 12 were medical-necessity disputes, 5 experimental/investigational.
By year (last five)
| Year | Decisions | Overturned |
|---|---|---|
| 2022 | 1 | 0.0% |
| 2023 | 1 | 100.0% |
| 2024 | 3 | 66.7% |
| 2025 | 1 | 100.0% |
What the findings mention
| What the findings mention | Decisions | Overturned | All decisions here |
|---|---|---|---|
| Published evidence citedThe findings refer to peer-reviewed or published evidence. | 4 | 50.0% | 52.9% |
Keyword matches on the reviewer’s findings, not causes. A tag that appears mostly in overturned decisions is worth documenting in an appeal; it is not a guarantee.
From recent overturned decisions
“The physician reviewer found that a patient has requested reimbursement for an AffloVest device. High-frequency chest wall oscillation therapy with a device such as AffloVest has been shown to improve sputum volume production in patients with bronchiectasis. In this case, the patient continued to have increased cough and sputum production despite antibiotics, bronchodilator therapy daily, inhaled steroid therapy daily, saline …”
“The physician reviewer found that Nature of Statutory Criteria/Case Summary: The patient’s parent has requested authorization and coverage for a high-frequency chest compression device. Primary ciliary dyskinesia (PCD) is usually an autosomal recessive genetic condition in which the cilia in the respiratory system have defective function. Ciliary dysfunction prevents the clearance of mucous from the lungs, paranasal sinuses, and middle …”
“Nature of Statutory Criteria/Case Summary: The patient has requested authorization and coverage for a high frequency chest compression device. Airway clearance aids in the reduction of bronchiectasis exacerbations and infections with the risk of resistant organisms. In this case, the patient has chronic bronchiectasis and requires assistance with secretion management. She has failed therapy with an acapella valve. Given that …”
And one the reviewer upheld
“Nature of Statutory Criteria/Case Summary: A patient has requested authorization and coverage for durable medical equipment (DME) - The Vest® Airway Clearance System. Recent guidelines found that there is a lack of high-quality evidence supporting the use of airway clearance devices for treating cough due to non‐cystic fibrosis bronchiectasis. The guidelines recommend education and utilization of active cycle of breathing …”
- California only: these are decisions by independent reviewers under California's IMR program (plans regulated by the Department of Managed Health Care). Other states and self-funded employer plans use different reviewers and rules.
- Selection: only denials that a member took all the way to IMR appear. Most denials are never appealed, and the ones that reach an external reviewer are not a random sample.
- Overturned means the reviewer disagreed with the plan; it does not mean the treatment worked or that a similar request will be approved.
- Argument tags are keyword matches on the reviewer's findings. They describe what the findings mention, not why the case was decided.
- Categories are DMHC's own labels (treatment sub-category and diagnosis category); 'Other' is a catch-all and is excluded from rankings.
Source: California Department of Managed Health Care, Independent Medical Review (IMR) Determinations, Trend (CHHS Open Data). Public California government data; Apellica's aggregates and tags are CC BY 4.0.
Questions
How often were Pneumatic Vest denials for Respiratory System overturned?
In 17 California IMR decisions from 2003 to 2025, reviewers overturned 9 (52.9%). In the last five years: 66.7% of 6. 12 were medical-necessity disputes, 5 experimental/investigational.
What should an appeal document, based on these findings?
Whatever the plan's criteria ask for, shown in the record: the treatments already tried and their results, contraindications to the plan's preferred option, the guideline or evidence that supports the request, and the treating clinician's reasoning written to the criteria. The tag table shows which of these the reviewers mentioned most in overturned cases.
Does a California IMR result apply to my plan?
Only California plans regulated by the Department of Managed Health Care go to IMR. Other states and self-funded employer plans use different reviewers, but they weigh the same things.
Independent reviewers reverse plans when the record answers the criteria. Upload the denial letter; a senior reviewer reads it within 24 hours and tells you in writing whether it can be appealed and how. $0 upfront, 10% of what is recovered, nothing if we do not recover. Not a law firm.