How to Submit a Superbill to Aetna: Step-by-Step

Aetna is one of the largest health insurers in the United States, and submitting an out-of-network superbill to them is straightforward once you know exactly which steps to follow. This guide walks you through the entire Aetna OON claim process — from gathering your documents to tracking your reimbursement.

Overview: Aetna and Out-of-Network Mental Health Benefits

Aetna offers both commercial (employer-sponsored) and individual/marketplace plans. Most commercial plans include out-of-network mental health benefits, subject to an OON deductible and coinsurance. Before submitting, confirm your specific plan covers OON therapy by calling the Member Services number on the back of your ID card or logging in to aetna.com.

Aetna processes OON behavioral health claims through its standard claims department. You do not need a referral to submit a superbill, but some plans require prior authorization for ongoing therapy — check your plan documents or call member services before your first session.

For more context on the general superbill submission process, see our step-by-step superbill submission guide. For a full overview of what Aetna covers for OON therapy, visit our Aetna insurance guide.

Step-by-Step Process for Submitting to Aetna

1. Get your superbill from your therapist. Request a superbill that covers all sessions you want to submit. Aetna accepts batch submissions covering multiple dates of service on one claim.
2. Log in to your Aetna member account. Go to aetna.com and sign in. Navigate to Claims & EOBs and then select Submit a Claim. This is the fastest and most reliable method.
3. Complete the online claim form. Aetna will ask for basic service information — provider name, dates of service, CPT codes, and amounts charged. Upload the superbill PDF as supporting documentation.
4. Alternative: mail your claim. If you prefer paper, download the Aetna OON claim form from aetna.com and mail it, along with your superbill, to the claims address printed on your ID card. Use certified mail for your records.
5. Note your confirmation number. After online submission, screenshot the confirmation page. After mailing, keep the certified mail receipt.

What to Include With Your Aetna Claim

Aetna requires the superbill to contain all required superbill fields. Specifically for Aetna, confirm your superbill includes:

• Provider full name, NPI (Type 1), and practice address
• Provider Tax ID (EIN or SSN) and professional license number
• Your name, date of birth, and Aetna member ID number
• Date(s) of service
• CPT procedure code (e.g., 90837 for 60-minute therapy) and description
• ICD-10 diagnosis code (e.g., F41.1 for generalized anxiety)
• Place of service code (11 for office; 10 for telehealth)
• Fee charged per session and amount you have already paid

Aetna's Processing Timeline

Aetna typically processes OON mental health claims within 15–30 business days of receipt. Online submissions are received immediately; mailed claims add several days for postal transit. You will receive an Explanation of Benefits (EOB) in your member portal before any payment is issued. Payment arrives by check or, if you have set it up, direct deposit.

Aetna's filing deadline for most commercial plans is 180 days from the date of service, though some plans allow up to 365 days. Submit promptly to avoid hitting the deadline.

Common Issues When Submitting to Aetna

• Missing NPI: Aetna will reject claims without a valid provider NPI. Confirm your therapist's NPI is Type 1 (individual) and matches the NPI Registry.
• Wrong claims address: Aetna has separate addresses for medical and behavioral health claims in some regions. Your ID card should specify the behavioral health claims address.
• Duplicate submission: If you submit online and by mail for the same dates of service, Aetna may flag it as a duplicate and delay processing. Pick one method.
• Plan exclusions: Some Aetna plans, particularly HMOs, do not cover out-of-network services at all except in emergencies. Confirm OON benefits before submitting.

Tips for a Smooth Aetna Claim

• Call member services before your first claim to verify OON deductible, coinsurance rate, and whether Aetna requires their own claim form in addition to the superbill.
• Use the Aetna member portal to track claim status. Claims show up within a few business days of submission.
• If your claim is denied, you have the right to a formal appeal. First-level internal appeals resolve the majority of clerical denials.
• Submit monthly in batches rather than weekly — it reduces administrative overhead and keeps submission dates easy to track.

Superbilled makes it easy to generate Aetna-ready superbills with all required fields pre-filled. Once your therapist sends you the superbill, you can submit directly to Aetna through the portal or by mail using the steps above.