Cgm Dexcom denied for failing step therapy by UnitedHealthcare?

UnitedHealthcare's specific coverage criteria for cgm dexcom 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 UnitedHealthcare Denied Your Dexcom CGM — Step Therapy

UnitedHealthcare sometimes applies a step-therapy (also called "fail-first") requirement to CGM coverage, meaning the plan expects you to have first used — and failed to achieve adequate control with — a less intensive or less costly monitoring approach before it will authorize a Dexcom CGM. If your prescriber submitted the request without sufficient documentation of that prior-treatment history, the plan will deny coverage until the step is satisfied or you qualify for an exception.

## Why This Denial Is Appealable

Step-therapy requirements are subject to medical exception. If you have already tried and failed conventional monitoring, or if your clinical situation makes the required step medically inappropriate or dangerous (for example, a history of severe hypoglycemia unawareness that makes fingerstick-only monitoring inadequate), your prescriber can document that exception. Many states also have step-therapy protection laws that limit when insurers can impose or enforce fail-first requirements; check whether your state's law applies to your plan type.

## Federal Appeal Framework

• Internal appeal: File under ACA §2719 / ERISA §503. Your appeal should specifically argue either (a) you have already completed the required step or (b) a medical exception applies. Include the timeframe from your denial letter.
• State step-therapy protections: If your plan is subject to your state's insurance laws, cite any applicable step-therapy override statute in your appeal letter.
• External review: If internal appeal is denied, escalate to independent external review within approximately four months of the final internal denial.
• Expedited review: Available if delay poses an immediate health risk.

## Documentation to Gather

1. Prior monitoring records — dates and duration of any previous glucose monitoring methods (fingerstick logs, earlier CGM trials if applicable), with outcomes and reasons for transition. 2. Clinical failure documentation — chart notes describing inadequate glycemic control, hypoglycemic events, or other clinical outcomes while using prior monitoring methods. 3. Prescriber medical-necessity letter — addresses the step-therapy criteria directly: either confirms the step was completed with dates and outcomes, or argues a medical exception with clinical rationale. 4. UHC step-therapy policy — obtain the exact step-therapy criteria from UHC's published coverage or PA policy for CGM; map each required step to the chart evidence. 5. Clinical severity evidence — hypoglycemia logs, A1C history, ER or urgent care records, or specialist notes that support medical exception if the step was not completed.

## Criteria-Mapping Structure

| Step-Therapy Requirement (per UHC policy) | How It Is Satisfied or Why Exception Applies | |---|---| | Prior monitoring method used | [Method, duration, start/end dates from pharmacy/chart] | | Outcome or reason for transition | [Chart note date, provider, documented outcome] | | Medical exception basis (if applicable) | [Specific clinical circumstances, prescriber attestation] |

A clear criteria-mapping table paired with the prescriber's letter gives the reviewer everything needed to approve the exception in a single pass.