How to Appeal a Aetna Claim Coding Error Denial
Aetna denied your claim for claim coding error. This guide combines Aetna-specific appeal procedures with the strongest arguments for claim coding error denials.
71% of coding error denials are resolved successfully — the highest rate of any denial type.
Aetna Appeal Details
Send Appeal To
Aetna Appeals, P.O. Box 14463, Lexington, KY 40512-4463
Deadline
180 days from denial date
Why This Denial May Be Wrong
A coding error denial means your claim was rejected because the procedure code (CPT), diagnosis code (ICD-10), or modifier was incorrect, incomplete, or inconsistent. These are often administrative errors made by the billing office, not a judgment about whether you should receive the care.
Coding errors are the most correctable type of denial. Common issues include mismatched diagnosis and procedure codes, missing modifiers, and incorrect place-of-service codes.
Your Legal Rights
Under HIPAA and state insurance regulations, insurers must process claims based on the corrected information once errors are fixed. You have the right to resubmit corrected claims and appeal any denial that resulted from a billing error.
How to Appeal: Step by Step
- 1Request an itemized bill from your provider showing all codes submitted.
- 2Compare the denied codes with the actual services you received.
- 3Contact your provider's billing department to identify and correct the error.
- 4Have your provider resubmit the claim with corrected codes.
- 5If the insurer still denies, file a formal appeal with documentation of the correct coding.
Aetna's Known Patterns
- ⚠Frequently downcodes E&M visit levels without chart review
- ⚠Bundles chiropractic and physical therapy services aggressively
- ⚠Requires AT modifier on chiropractic claims
- ⚠Known for applying UCR reductions below contracted rates
Appeal your Aetna claim coding error denial
We'll show you the specific regulation Aetna violated — free. Complete appeal letter for $39.
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FAQ
Is a coding error my fault?
No. Coding errors are typically made by the provider's billing office. You should not be held responsible for administrative billing mistakes.
Can I fix a coding error myself?
You'll need your provider to correct and resubmit the claim. Contact their billing department and explain the issue.