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Diagnostics Denial

Aetna Denied Your Lab Work / Diagnostic Testing?

According to federal data, Aetna (CVS Health) denies approximately 16.7% of claims. When patients appeal, about 49% are overturned. Your lab work / diagnostic testing denial may have grounds for a successful appeal.Sources: KFF ACA Marketplace Transparency Data, HHS OIG Reports, state insurance department filings. Rates are aggregate averages — individual results vary by plan type, denial reason, and documentation.

16.7%
Denial Rate
49%
Appeal Success
30-60 days
Typical Timeline
$200–$5,000
Typical Claim

Based on published government and industry research. Individual results vary based on denial type, insurer, and documentation.

Why Aetna Denies Lab Work / Diagnostic Testing

Test not indicated based on diagnosis code

Duplicate testing within coverage period

Experimental or investigational test classification

Aetna's Common Denial Tactics

Citing lack of medical necessity without reviewing full records

Applying step therapy requirements retroactively

Using internal guidelines stricter than Medicare standards

How to Win Your Lab Work / Diagnostic Testing Appeal

Physician order with specific clinical indication

Evidence test results changed treatment plan

Published clinical guidelines recommending the test for the diagnosis

Laws That Protect You

ACA — Preventive services coverage

CLIA standards for laboratory testing

State genetic testing protection laws

Tips for Appealing to Aetna

Request the specific clinical criteria used to deny your claim

Ask for a peer-to-peer review between your doctor and their medical director

File with your state insurance department if internal appeal fails

Ready to Review Your Lab Work / Diagnostic Testing Denial?

Upload your denial letter and get a clear analysis in minutes. We'll identify potential weaknesses in Aetna's reasoning and outline your appeal options.

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This information is for educational and informational purposes only. It does not constitute legal or medical advice. Statistics cited are from publicly available sources including KFF, HHS OIG, and state insurance department data. Individual results may vary. Consult a qualified professional before taking action on your specific situation.

Aetna Denied Your Lab Work / Diagnostic Testing? Here's How to Appeal | Lysco