How to Appeal a Humana Cardiac Stress Test Denial

Getting a denial from Humana for a cardiac stress test (CPT 93015) is frustrating when the test was clinically appropriate for the patient. A stress test denial usually comes down to whether the record shows a diagnostic reason for the test: documented symptoms, the patient's likelihood of coronary disease, or a preoperative question the result will answer. This guide covers the common denial reasons, the documentation that answers them, and the appeal deadlines, which differ between Medicare Advantage and Medicaid plans.

Why Humana Denies Cardiac Stress Test

Understanding Humana's denial patterns for CPT 93015 is crucial to crafting an effective appeal. Here are the three most common reasons Humana denies cardiac stress tests:

Medical Necessity Not Established: the reviewer did not find a documented clinical reason for the test. Tests ordered as routine screening, or with the indication missing from the note, are the usual target. Check Humana's current policy or the criteria named in the denial for what it accepts, and make sure the record documents the symptoms that prompted the test, such as chest pain, dyspnea, palpitations or reduced exercise tolerance.

Inadequate Risk Stratification Documentation: the record does not show why this patient's likelihood of coronary artery disease justified the test. Document the symptom type, age, sex and risk factors such as diabetes, hypertension, smoking and family history of premature CAD, and state the pretest probability or risk assessment the ordering clinician relied on.

Asymptomatic Patient Testing: stress testing to screen a patient with no symptoms is difficult to support, and the clinical guidelines side with the payer here. The USPSTF recommends against screening with resting or exercise ECG in asymptomatic adults at low risk of cardiovascular events and finds the evidence insufficient for those at intermediate or high risk (USPSTF, 2018). The ADA Standards of Care 2026 state that routine screening for coronary artery disease in asymptomatic people with diabetes is not recommended (ADA Standards of Care 2026, section 10). If the patient had symptoms, such as new dyspnea on exertion or reduced exercise tolerance, lead with them and show they were documented before the test.

What You Need to Win This Appeal

Success with Humana cardiac stress test appeals hinges on providing specific clinical documentation that directly addresses their coverage criteria. Here's exactly what you need:

Comprehensive Symptom Documentation: Include detailed notes about the patient's presenting symptoms, including onset, duration, character, and relationship to exertion. Reviewers need specific descriptions rather than generic terms. Document any chest pain characteristics using standard descriptors (substernal, pressure-like, radiating), dyspnea patterns, and functional limitations. Include any emergency department visits or urgent care encounters related to cardiac symptoms.

Risk Factor Quantification: Provide a clear enumeration of cardiovascular risk factors with supporting lab values and vital signs. Include current lipid panels, blood pressure readings over time, HbA1c if diabetic, and smoking history details. Show how the symptoms and risk factors combine into the pretest probability the ordering clinician relied on, and name the tool used to estimate it.

Clinical Guidelines Compliance: Cite the current ACC/AHA guideline that fits the indication, such as the chest pain guideline for a symptomatic patient or the perioperative guideline for a preoperative test, and quote the recommendation the case meets. If the patient is in a Humana Medicare Advantage plan, also check for a Medicare national or local coverage determination that applies; Medicare Advantage plans must follow Medicare coverage criteria where those criteria are fully established (42 CFR 422.101).

Prior Management and Symptom Course: Document any treatment already tried and whether symptoms progressed despite it, since a change in symptoms is part of the diagnostic reason for testing.

Functional Status Documentation: Include objective measures of functional capacity or limitations. This could include specific exercise tolerance (can only walk one block, gets short of breath climbing one flight of stairs), limitations in activities of daily living, or scores from functional assessment questionnaires.

Step-by-Step: Appealing Your Humana Cardiac Stress Test Denial

Humana has specific procedural requirements that must be followed precisely to ensure your appeal is processed correctly.

Timeline Requirements: the deadline depends on the plan type and on who is appealing. For a Humana Medicare Advantage plan, the enrollee (or a non-contracted provider with a waiver of liability) has 65 days from the notice to request reconsideration; standard pre-service reconsiderations are decided within 30 days, payment reconsiderations within 60 days and expedited ones within 72 hours, and a reconsideration the plan upholds goes automatically to the Independent Review Entity. Contracted providers' payment disputes follow their contract. Medicaid appeal windows vary by state and managed care plan. On an ACA-compliant commercial or ERISA group plan, the member or an authorized representative has at least 180 days from the adverse benefit determination. Check the contract and the denial notice for the deadline that applies, and calendar it the day the denial arrives.

Submission Process: Submit appeals through Humana's provider portal when possible, as this provides immediate confirmation of receipt and tracking capabilities. For written appeals, use the address on the denial letter, which can differ by region and product line. Always use certified mail with return receipt requested for paper submissions.

Appeal Letter Structure: Begin your appeal letter with the patient's demographic information, claim number, and service date. In the first paragraph, clearly state you're appealing the denial of CPT 93015 and briefly summarize why the test was medically necessary. Use the subsequent paragraphs to systematically address each denial reason cited in Humana's original denial letter.

Supporting Documentation: Include relevant portions of the medical record, but avoid sending the entire chart. Focus on the documentation that directly supports medical necessity: the consultation note or office visit where stress testing was ordered, relevant diagnostic test results, medication lists showing cardiac medications, and any prior cardiac workup results.

Peer-to-Peer Review Option: ask early whether the ordering physician can discuss the case with the plan's physician reviewer. The denial notice or provider portal explains whether this is available and how soon it must be requested. Treat it as separate from the written appeal and keep the appeal on its own deadline.

Sample Appeal Arguments for Cardiac Stress Test Denials

Here are sample clinical arguments for Humana cardiac stress test denials:

Chest Pain Syndrome Argument: "The patient presented with a 3-month history of exertional chest discomfort described as substernal pressure radiating to the left arm, consistent with anginal equivalent symptoms. Given the patient's intermediate pretest probability of CAD based on age (58), gender (male), diabetes mellitus, and symptom characteristics, stress testing was indicated per ACC/AHA guidelines to evaluate for inducible ischemia before considering invasive evaluation."

Symptoms in a Patient With Diabetes: "This 55-year-old patient with a 15-year history of diabetes, hypertension and dyslipidemia presents with new dyspnea on exertion and decreased exercise tolerance. The test was ordered to evaluate these symptoms, not to screen. The ADA Standards of Care 2026 (recommendation 10.37b) say to consider investigations for coronary artery disease when signs or symptoms of cardiac disease are present." (ADA Standards of Care 2026, section 10)

Preoperative Risk Assessment: "Patient requires intermediate-risk non-cardiac surgery (orthopedic procedure) and has clinical risk factors including diabetes and hypertension with poor functional capacity (<4 METs). ACC/AHA perioperative guidance supports stress testing before noncardiac surgery only when the result will change management; here the result [state how it would change the surgical or medical plan]."

Family History and Multiple Risk Factors: do not build an appeal on family history and risk factors alone in a patient without symptoms. As noted above, the USPSTF recommends against this kind of screening in low-risk adults and finds the evidence insufficient to assess it in adults at intermediate or high risk. If a patient with a family history of premature CAD also had exertional symptoms, lead with the symptoms and use the family history as part of the pretest probability.

Appeal letter template

Fill in the bracketed fields from the denial letter and the patient's chart, and delete any paragraph that does not apply.

[Practice name]
[Practice address]
[Phone and fax]
[Practice NPI and Tax ID]

[Date]

Humana
[Appeals address, fax number or portal from the denial letter]

Re: Appeal of denied cardiac stress test
Patient: [Patient name]
Member ID: [Member ID]
Claim or authorization number: [Number]
Date of service: [Date of service]
CPT: 93015

To the appeals reviewer:

We request reconsideration of Humana's denial dated [denial date], reference [denial reference number], of the cardiac stress test (CPT 93015) ordered by [ordering physician name]. The denial states [denial reason as written]. The test was ordered [to evaluate documented symptoms or to answer a preoperative question], not to screen, and the enclosed records show that it was medically necessary.

[Patient name] presented on [date] with [symptoms, onset, character and relationship to exertion], documented before the test in [note and date]. Risk factors: [age, sex, diabetes, hypertension, smoking and family history of premature CAD, with supporting values]. [Ordering physician name] estimated [pretest probability or risk assessment] using [tool]. [Functional status, such as exercise tolerance.] [Treatment already tried and how the symptoms changed.] [For a preoperative test: the planned surgery and how the result would change the surgical or medical plan.]

The denial relies on Humana's [policy name and number, if the denial cites one]. [Medicare Advantage only: any Medicare coverage determination that applies.] The indication this case meets is [the ACC/AHA guideline recommendation that fits], documented in [note, date and page in the enclosed records].

Please reverse the denial and [pay the claim or approve the request]. [Ordering physician name] can discuss the case with your physician reviewer at [phone].

Enclosures:

• Denial letter
• Office visit or consultation note where the test was ordered
• Emergency department or urgent care notes for cardiac symptoms
• Lipid panel, blood pressure readings and HbA1c if diabetic
• Medication list, including cardiac medications
• Prior cardiac workup results
• Functional status documentation

Sincerely,
[Name and title]
[Practice name]
[Phone and email]

Key Takeaways

• Focus your appeal on documenting intermediate pretest probability of CAD using established risk factors and validated assessment tools that align with Humana's clinical criteria.

• Address symptom documentation specifically: a test ordered to evaluate documented symptoms is diagnostic, while testing on risk factors alone is screening, which the USPSTF does not recommend for adults without symptoms and the ADA does not recommend for people with diabetes who have no symptoms.

• Check the contract and the denial notice for the deadline: 65 days for a Medicare Advantage enrollee reconsideration, at least 180 days for a member appeal on an ACA-compliant commercial or ERISA plan, and the contract's window for a participating provider's payment dispute.

• Ask early whether a peer-to-peer conversation is available, and keep the written appeal on its own deadline.

Tools like AI-powered appeal generators can draft your Cardiac Stress Test appeal letter in a few minutes, citing Humana's policy when one is on file, for your team to review and send.