Allergy Immunotherapy denied for missing prior authorization by Humana?

Humana's specific coverage criteria for allergy immunotherapy 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 Humana Requires Prior Authorization for Allergy Immunotherapy — and How to Appeal a Denial

Humana requires prior authorization for allergy immunotherapy to verify that clinical criteria are met before treatment begins. When a prior authorization request is denied — or when treatment was initiated without obtaining prior authorization — the claim may be denied. Prior authorization denials for allergy immunotherapy are among the more common and more successfully appealed denials, because the clinical evidence base is strong and the documentation requirements are well-defined.

## Federal Appeal Rights

• ACA Section 2719: most individual and employer-sponsored plans must offer an external review process; the window to file is approximately four months from the denial notice.
• ERISA Section 503 (employer plans): entitles you to a written explanation of the specific criteria the prior authorization failed to satisfy and the clinical basis for that determination.
• If the prior authorization was denied on an urgent basis (e.g., a patient with severe allergic asthma or venom hypersensitivity), expedited internal appeal and expedited external review are both available — decisions typically within 72 hours.
• Peer-to-peer review: in most states, Humana must offer your allergist the opportunity to speak directly with the reviewing medical officer before the final prior authorization decision is issued. Request this proactively.

## Concrete Appeal Steps and Timeline

1. Obtain the denial letter; identify the specific criteria not satisfied. 2. Request a peer-to-peer review between your allergist and Humana's medical reviewer — this single step reverses a substantial proportion of prior authorization denials without formal appeal. 3. If peer-to-peer does not resolve it, file a Level 1 internal appeal with complete documentation. 4. If upheld, file for external review. 5. For ongoing treatment series: ask whether Humana will grant a continuity-of-care authorization while the appeal is pending, particularly if the immunotherapy course is already underway.

## Documentation to Gather

• Allergy testing records confirming IgE-mediated sensitization to the specific allergens
• Diagnosis documentation: chart notes confirming allergic rhinitis, allergic asthma, stinging insect hypersensitivity, or other covered indication
• Prior treatment history: records of environmental controls, pharmacotherapy trials (with dates and documented outcomes), and reasons for pursuing immunotherapy
• Prescribing allergist's prior authorization support letter mapping the patient's clinical findings to each of Humana's prior authorization criteria
• Any relevant guideline reference from the American Academy of Allergy, Asthma & Immunology or the Joint Task Force on Practice Parameters

## Criteria-Mapping Structure

Locate Humana's prior authorization criteria for allergy immunotherapy (available through Humana's provider portal or published clinical policy library). Map each criterion directly:

| Humana Prior Auth Criterion | Supporting Chart Documentation | |---|---| | IgE-mediated sensitization confirmed | Skin-prick or specific IgE test results with date | | Covered diagnosis | Chart diagnosis + specialist evaluation note | | Adequate pharmacotherapy trial documented | Pharmacy records + progress notes with outcomes | | Prescribing provider is appropriate specialist | Allergist / immunologist credentials | | Treatment plan consistent with guidelines | Practice parameter reference |

Submit the criteria-mapping table as an exhibit to both the peer-to-peer request and any formal appeal. Reviewers approve requests most readily when each criterion is matched to a specific, dated chart fact — eliminating the need to infer.