Humana Preventive Care Denied: ACA Compliance, Colonoscopy Loophole, and Wellness Denials

Preventive care is supposed to be free under the Affordable Care Act — but Humana members regularly receive bills for services they believed were fully covered. The reasons range from preventive services being reclassified as diagnostic mid-appointment, to wellness program claim disputes, to the notorious colonoscopy-polyp-removal billing trap. Here is what Humana is required to cover for preventive services, and how to challenge a preventive care denial.

What the ACA Requires Humana to Cover at No Cost

Under the Affordable Care Act (Section 2713), Humana's ACA-compliant commercial plans — individual marketplace plans and fully insured employer group plans — must cover the following at no cost-sharing (no copay, no deductible):

USPSTF A and B Grade Recommendations: Services recommended by the U.S. Preventive Services Task Force with an A or B rating, including:

• Blood pressure screening
• Cholesterol screening (for certain age/risk groups)
• Colorectal cancer screening (colonoscopy, stool-based tests, flexible sigmoidoscopy)
• Mammogram screening (breast cancer)
• Cervical cancer screening (Pap smear, HPV testing)
• Lung cancer screening (low-dose CT for current/recent heavy smokers)
• Depression and anxiety screening
• Tobacco use counseling
• Obesity counseling
• Pre-exposure prophylaxis (PrEP) for HIV prevention

ACIP Immunization Recommendations: Vaccines recommended by the Advisory Committee on Immunization Practices.

HRSA Women's Preventive Services: Including contraceptive coverage, breastfeeding support, gestational diabetes screening, and well-woman visits.

HRSA Bright Futures Recommendations: Preventive care for children and adolescents.

Note: The Supreme Court's 2024 decision in Braidwood Management v. Becerra created uncertainty around certain USPSTF recommendations. Check current CMS guidance on which preventive services remain mandated.

Important limitation: These zero-cost preventive coverage requirements apply to fully insured ACA-compliant plans. ERISA self-funded employer plans are not required by the ACA to cover these services at no cost (though many do). Check your plan documents.

The Colonoscopy Polyp Removal Problem

This is one of the most widespread and frustrating preventive care billing issues. Here's what happens:

1. You schedule a screening colonoscopy — a preventive service covered at no cost under the ACA
2. During the colonoscopy, your physician finds and removes a polyp
3. Because a polyp was removed, the procedure is reclassified from screening (preventive) to diagnostic/therapeutic by the facility or insurer
4. Humana applies your deductible or cost-sharing to the procedure — potentially leaving you with a bill for hundreds or thousands of dollars

Your legal argument: The ACA requires coverage of colorectal cancer screening colonoscopies at no cost-sharing. When polyp removal occurs during a screening colonoscopy, it is a direct part of the screening process — the point of screening is to find and remove precancerous tissue. Reclassifying the procedure as diagnostic because a polyp was found defeats the purpose of the preventive service mandate.

CMS has issued guidance supporting this interpretation, and many states have passed laws explicitly prohibiting cost-sharing when polyps are removed during screening colonoscopies. Check whether your state has a colonoscopy cost-sharing law.

How to appeal a colonoscopy polyp removal denial:

1. Cite the ACA Section 2713 preventive care requirement
2. Cite CMS guidance that colorectal cancer screening includes polyp removal
3. If your state has a colonoscopy law, cite it specifically
4. Request that the procedure be reprocessed as a preventive service

Preventive vs. Diagnostic Reclassification

The colonoscopy issue is an example of a broader problem: Humana (or your provider) reclassifying a scheduled preventive service as a diagnostic service because an incidental finding is addressed during the visit. Other examples:

Annual wellness visit reclassified as a sick visit: If you mention a health complaint during your Medicare or commercial wellness visit, Humana may reclassify the entire visit as a sick visit subject to cost-sharing.

Well-woman visit with additional services: If additional services are provided during a well-woman visit — beyond the preventive screenings — Humana may apply cost-sharing to the add-on services.

Preventive labs reclassified as diagnostic: If your preventive blood panel is used to monitor a known condition (rather than purely for screening), Humana may reclassify it as diagnostic.

Appeals strategy: Obtain the billing codes (CPT codes and diagnosis codes) your provider submitted. If the problem is the diagnosis code attached to the visit (using a disease diagnosis rather than a screening/preventive code), ask your provider to correct the coding and resubmit. If Humana reclassified a properly coded preventive service, appeal with the ACA citation.

Humana Wellness Program Denials

Many Humana plans offer wellness programs — often through Humana Go365 — that provide rewards or incentives for completing health activities (gym visits, biometric screenings, health surveys). Disputes arise when:

• Members don't receive credit for completed activities
• Wellness program rewards are denied due to data submission issues
• Premium discounts linked to wellness activities are not applied
• The wellness program's surcharge is applied to members who couldn't complete the wellness activity for medical reasons

For wellness surcharge issues: HIPAA's wellness program regulations require that employers offer reasonable alternatives when a wellness activity is medically inadvisable for a specific individual. If Humana or your employer's wellness program is imposing a premium surcharge that you cannot avoid due to a medical condition, request a reasonable alternative accommodation.

How to Appeal a Humana Preventive Care Denial

Step 1: Identify the denial basis — reclassification to diagnostic, cost-sharing incorrectly applied, or wellness program issue.

Step 2: Obtain the billing codes from your provider. Compare what was submitted to what the ACA requires to be covered.

Step 3: Cite applicable law:

• ACA Section 2713 (42 U.S.C. § 300gg-13) for USPSTF-recommended services
• Your state's colonoscopy law if applicable
• HIPAA wellness program regulations for wellness surcharge issues

Step 4: File your appeal:

• MyHumana portal at humana.com
• Phone: 1-800-457-4708
• Mail: Humana Grievances and Appeals, P.O. Box 14546, Lexington, KY 40512

Step 5: File a complaint with your state Department of Insurance if the appeal fails for a preventive care issue on a fully insured commercial plan. CMS complaints are appropriate for Medicare Advantage preventive care issues.

Fight Back With ClaimBack

Preventive care denials — especially the colonoscopy polyp reclassification — are among the most clearly unlawful denials Humana issues. ClaimBack helps you cite the right law and get your claim properly processed.

Start your appeal at https://claimback.app/appeal.

Related Reading

• How to Write an Insurance Appeal Letter
• Common Reasons Insurance Claims Are Denied
• Internal vs. External Insurance Appeal