Aetna denied your skilled nursing? What to do next

Why Aetna (CVS Health) denies skilled nursing facility

Aetna, owned by CVS Health since 2018, runs commercial group plans, Medicare Advantage, and a large pharmacy benefit footprint via Caremark. GLP-1, specialty drug, and behavioral health denials are the highest-volume categories.

For skilled nursing facility specifically: Skilled nursing facility (SNF) coverage is denied at admission or, more often, ended mid-stay with a Notice of Medicare Non-Coverage. The clock on these denials is measured in hours, and the appeal runs through the Quality Improvement Organization, not the plan.

The law that controls this appeal

Medicare covers SNF care when the patient needs daily skilled nursing or skilled rehabilitation that can practically be provided only in a SNF (42 CFR 409.31 to 409.35). Coverage does not depend on the patient improving: skilled care to maintain function or prevent decline qualifies (Jimmo v. Sebelius settlement, 2013, and the Medicare Benefit Policy Manual, Chapter 8). Traditional Medicare requires a prior 3-day inpatient hospital stay; many Medicare Advantage plans waive it but must otherwise follow Medicare coverage rules (42 CFR 422.101(b)).

What Aetna (CVS Health) denies for skilled nursing facility

The skilled nursing facility services most often denied:

SNF admission after a hospital stay for surgery, stroke, fracture, or infection
Continued coverage after the first one to two weeks of a stay
Stays where the plan says the patient has 'plateaued' or 'reached maximum benefit'
Admissions denied because the hospital stay was classed as observation rather than inpatient

Why skilled nursing facility claims get denied

A typical Aetna (CVS Health) skilled nursing facility denial almost always cites one of these reasons. Each one maps to a specific rebuttal in the appeal:

Plan says the patient no longer needs daily skilled care
Plan says care is 'custodial' or 'maintenance' only
No qualifying 3-day inpatient stay (traditional Medicare, or plans that keep the rule)
Medicare Advantage plan applied an internal algorithm or criteria beyond the Medicare rule
Documentation from the facility does not describe the skilled tasks being performed

The Aetna (CVS Health) appeal process

Appeal levels: Internal level 1 (30 days standard / 72h urgent), then external IRO review (45 days standard).

Carrier timing: 180 days from denial for internal appeal; generally at least 4 months (120 days) from the final internal denial for federal external review (exact window varies by plan and state — check your denial letter).

Skilled nursing timing: Notice of Medicare Non-Coverage: contact the QIO no later than noon of the day before the effective date on the notice for fast-track review (42 CFR 405.1200 to 405.1204 for traditional Medicare; 42 CFR 422.626 for Medicare Advantage). If that window is missed, a standard appeal remains available (65 days for Medicare Advantage reconsideration, 42 CFR 422.582). Commercial plans: at least 180 days to file an internal appeal.

What we know about Aetna (CVS Health): Aetna's internal appeals respond well to peer-to-peer review requests filed alongside the written appeal.

Common Aetna (CVS Health) denial patterns for skilled nursing facility

GLP-1 / Wegovy denials citing BMI. Aetna denies most weight-loss GLP-1 prescriptions citing BMI thresholds or 'lifestyle modification first' criteria. When a patient has documented comorbidities (such as type 2 diabetes) and the treating clinician determines a diabetes-indicated GLP-1 is medically appropriate, an appeal built on that documented clinical picture is often reversed quickly — the medication and indication remain the clinician's decision, never a path chosen simply to obtain coverage.
Caremark formulary denials. Aetna's pharmacy benefit (Caremark) issues formulary denials separate from medical benefit denials. Each requires its own appeal track, confusing the two costs weeks.
Internal appeal then external review. Aetna's first appeal is internal and is generally filed within 180 days of the denial. After a final internal denial, external review by an Independent Review Organization (IRO) is a separately strong reversal lane; under the federal ACA standard members generally have at least 4 months (120 days) to request it, though the exact window varies by plan and state — confirm the deadline printed on your denial letter.

How to win your Aetna (CVS Health) skilled nursing facility appeal

Strategy for skilled nursing facility: For a mid-stay cutoff, call the QIO before the deadline on the notice; coverage continues while the QIO decides. Ask the facility for the Detailed Explanation of Non-Coverage and the therapy and nursing notes. Show the specific skilled services being delivered (wound care, IV therapy, therapy that requires a licensed clinician) and, where the plan cites lack of progress, cite the maintenance-coverage standard. For Medicare Advantage denials, cite 42 CFR 422.101(b)(2): the plan may not use criteria more restrictive than Medicare's.

Filed against Aetna (CVS Health), that strategy rides on this procedural spine:

Procedural-rights anchor. Every Aetna (CVS Health) denial triggers ERISA § 503 or 45 C.F.R. § 147.136 procedural rights. The cover letter invokes these in the opening paragraph to lock the timeline and force criteria disclosure.
Criteria-disclosure demand. Aetna (CVS Health) frequently denies on "not medically necessary" without disclosing the clinical criteria applied. Once disclosed, those criteria become the rebuttal map.
Controlling-standard citation. Medicare covers SNF care when the patient needs daily skilled nursing or skilled rehabilitation that can practically be provided only in a SNF (42 CFR 409.31 to 409.35). Coverage does not depend on the patient improving: skilled care to maintain function or prevent decline qualifies (Jimmo v. Sebelius settlement, 2013, and the Medicare Benefit Policy Manual, Chapter 8). Traditional Medicare requires a prior 3-day inpatient hospital stay; many Medicare Advantage plans waive it but must otherwise follow Medicare coverage rules (42 CFR 422.101(b)).
Treating-provider attestation. A letter from the treating physician addressing each criterion in Aetna (CVS Health)'s own policy language. This is the single strongest evidentiary element.
Requested action. A specific demand to reverse the skilled nursing facility denial and approve the service, not a general "please reconsider."

Documents you'll need for your Aetna (CVS Health) skilled nursing facility appeal

Notice of Medicare Non-Coverage (or the plan's denial) with the effective date
Detailed Explanation of Non-Coverage from the facility
Nursing notes and therapy notes for the disputed days
Hospital discharge summary and the inpatient admission order
Physician's certification of the need for skilled care

What a skilled nursing facility appeal can recover

Typical recovery for skilled nursing facility cases runs SNF care is billed per day; a denied stay of a few weeks is commonly a five-figure sum in billed charges. The amount at stake depends on the days denied and the plan's rates.. The exact figure depends on the specific service and your plan's contracted rates.

Aetna (CVS Health) skilled nursing facility appeals: frequently asked questions

The notice says coverage ends tomorrow. Is it too late to appeal Aetna (CVS Health)?

Not if you call the QIO listed on the notice by noon of the day before the effective date. Ask for a fast-track appeal. Coverage generally continues until the QIO decides.

Aetna (CVS Health) says my mother is not improving, so coverage stops. Is that right?

Improvement is not the standard. Medicare covers skilled care that maintains function or slows decline when the care itself requires a skilled professional. Ask the facility to document the skilled tasks and cite the maintenance-coverage standard from the Jimmo settlement.

What is the 3-day rule and does it apply to Aetna (CVS Health)?

Traditional Medicare requires a 3-day inpatient hospital stay before SNF coverage. Observation days do not count. Many Medicare Advantage plans waive the rule; check the Evidence of Coverage. If the hospital stay was classed as observation, that classification can itself be disputed.

Who decides the appeal, Aetna (CVS Health) or someone independent?

For a fast-track appeal, the Quality Improvement Organization, which is independent of the plan. For a standard Medicare Advantage appeal, the plan decides first and an adverse decision goes automatically to the Independent Review Entity.

What Apellica does for Aetna (CVS Health) skilled nursing facility appeals

We file appeals against Aetna (CVS Health) specifically configured to its internal review process. Every skilled nursing facility appeal embeds the criteria-disclosure demand, the procedural-rights anchor, the controlling-standard citation above, treating-provider attestation language, and the peer-reviewed evidence relevant to the denied service.

Cost: $0 upfront. We work on contingency for Aetna (CVS Health) appeals, if the appeal succeeds, we collect a percentage of the recovered claim value. If it fails, you owe nothing.

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Aetna (CVS Health) denied your skilled nursing facility? Here is what to do next