Inspire HGNS denied as non-formulary by Blue Cross Blue Shield?

Blue Cross Blue Shield's specific coverage criteria for inspire hgns 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.

## Why BCBS Denied Inspire HGNS as "Non-Formulary" — and How to Appeal

Formulary structures are designed for pharmaceutical benefits, not implantable medical devices. A "non-formulary" denial for Inspire Upper Airway Stimulation (hypoglossal nerve stimulation, HGNS) almost always reflects a classification or administrative error: the device has been processed through the pharmacy benefit pathway rather than the medical/surgical benefit pathway, or it has been coded in a way that triggers a formulary exclusion that was never intended to apply to an implantable neurostimulator. This type of denial is typically resolved at the administrative level, but if not, it is appealable on the grounds that a formulary exclusion is not an appropriate basis for denying a surgical medical device.

## Federal Appeal Framework

ERISA §503 guarantees full-and-fair internal review. ACA §2719 adds external review rights. The external review window is approximately four months from the final internal denial. An expedited review path is available when delay would seriously jeopardize health. For a non-formulary denial involving a surgical device, it is also worth contacting the plan's member services line before filing a formal appeal, as administrative reclassification can sometimes resolve the issue without a full appeal.

## Your Concrete Appeal Steps

1. Determine how the claim was classified — ask BCBS and your provider's billing office whether the device was billed under the pharmacy benefit or the medical/surgical benefit. Inspire HGNS is a medical/surgical benefit — an implantable device placed in an operating room by a surgeon. 2. Request reclassification to the correct benefit category — if the claim was routed to the pharmacy benefit in error, request administrative reclassification and resubmission under the medical benefit. 3. If BCBS maintains the non-formulary exclusion applies, obtain the exact policy language and appeal on the grounds that a formulary exclusion designed for drugs does not apply to an FDA-approved implantable surgical device. 4. Obtain a letter from your surgeon confirming that Inspire HGNS is a surgically implanted medical device, not a pharmaceutical, and that it is the medically necessary treatment for your diagnosed condition. 5. File the formal internal appeal if administrative resolution fails. 6. Request external review if internal appeal is denied.

## Documentation to Gather

• Operative/surgical authorization records confirming the device was, or is to be, implanted in an operating room setting
• Surgeon's letter describing Inspire HGNS as a surgical medical device and stating it is not a pharmaceutical
• Claim and EOB showing how the device was coded and which benefit category processed it
• FDA device approval documentation confirming it is a Class III medical device (not a drug)
• Your sleep study and CPAP-intolerance records to support medical necessity in the background

## Criteria-Mapping Structure

In your appeal, address the threshold issue first: whether the non-formulary exclusion is even applicable to a surgical device. Copy the exact exclusion language from BCBS's policy, then set it alongside the FDA's device classification and the surgical implant context. Once you establish that the exclusion does not apply, BCBS must evaluate coverage under its medical policy for Inspire HGNS, which has its own criteria — map those the same way.