Aetna denied claim appeal
Aetna · updated for 2026 · Verified against Aetna (2026-06-16)
Appeal in 4 steps
- 1Read the Aetna denial letter (EOB) and identify the cited medical policy.
- 2Request the full clinical policy bulletin from Aetna; ERISA plans must provide it free of charge.
- 3Gather office notes, imaging, prior therapy history, and a letter of medical necessity from your treating physician.
- 4Submit the appeal in writing to the address on the denial letter, by certified mail and through aetna.com if available, within 180 days.
Key facts
| Internal appeal window | 180 days from denial |
|---|---|
| External review window | 120 days after final internal denial |
| Expedited appeal | Decision within 72 hours |
| Appeals address | Address is printed on the Explanation of Benefits and on the Aetna Member Complaint and Appeal Form (form 68192). Submit by mail, fax, or through the secure member portal. |
| Phone | Member Services number on the back of your ID card |
| Member portal | aetna.com |
Aetna's published Claim Denials page sets the 180-day filing window unless the Summary Plan Description grants longer. Commercial plans typically offer two levels of internal appeal before external review.
Primary source: Aetna — official appeals pageAetna: 'You have 180 days from when you get the notice of the denied claim, unless your plan brochure (or Summary Plan Description) gives you a longer period of time.' Last verified: 2026-06-16.
Upload the denial letter. Get the cited policy identified, the evidence checklist, and a finished appeal letter you can sign.
Common Aetna denial reasons
- Not medically necessary
- Experimental or investigational
- Prior authorization not obtained
- Out of network
- Service excluded from plan
Evidence checklist
- ✓Denial letter (EOB)
- ✓Member ID and claim number
- ✓Treating physician letter of medical necessity
- ✓Office notes from the last 12 months
- ✓Imaging or lab reports
- ✓Aetna clinical policy bulletin (cited in denial)
- ✓Prior therapy history
- ✓Specialty guideline citation
Drug-specific Aetna appeals
Verified prior-authorization criteria and override strategy per medication.
- Wegovy (semaglutide)GLP-1 for weight management→
- Zepbound (tirzepatide)GIP/GLP-1 for weight management→
- Humira (adalimumab)TNF inhibitor→
- Dupixent (dupilumab)IL-4/13 inhibitor→
- Ozempic (semaglutide)GLP-1 for type 2 diabetes→
- Mounjaro (tirzepatide)GIP/GLP-1 for type 2 diabetes→
- Stelara (ustekinumab)IL-12/23 inhibitor→
- Enbrel (etanercept)TNF inhibitor→
- Skyrizi (risankizumab)IL-23 inhibitor→
- Trikafta (elexacaftor/tezacaftor/ivacaftor)CFTR modulator→
Aetna appeal by denial reason
Verified policy basis and override strategy for each common reason Aetna cites.
- Not medically necessaryOverturn: High→
- Experimental or investigationalOverturn: High→
- Prior authorization requiredOverturn: Medium→
- Step therapy requiredOverturn: High→
- Out of networkOverturn: High→
FAQ
How long do I have to appeal a Aetna denial?+
180 days from the date of the denial to file an internal appeal. Expedited (urgent) appeals must be decided within 72 hours.
Where do I send a Aetna appeal?+
Use the address on your denial letter (the EOB). Addresses vary by plan and region; the denial letter is authoritative.
Can I appeal a Aetna denial without a lawyer?+
Yes. Most internal appeals are filed by the member or the treating physician. The appeal should cite the insurer's clinical policy and include a letter of medical necessity.
What happens after the internal appeal?+
If the final internal appeal is denied, you have 120 days to request external review by an Independent Review Organization. External review is binding on the insurer.