Does Aetna Cover Inpatient Rehab in California?

What Aetna Covers for Inpatient Rehab

Aetna commercial PPO plans typically cover medical detox, residential inpatient treatment (30, 60, or 90 days), partial hospitalization (PHP), and intensive outpatient (IOP). Aetna uses Aetna Behavioral Health for utilization review and authorization decisions. In-network residential facilities in the LA area have direct contracts with Aetna and produce the cleanest placement path. Out-of-network placements are possible but require additional documentation under SB 855's geographic/timely-access standards.

Typical Aetna Out-of-Pocket for 30-Day Inpatient

Varies by plan design. Aetna PPO plans typically have deductibles from $500 to $5,000, coinsurance of 10–30% after deductible, and out-of-pocket maximums from $3,000 to $9,000 for individual coverage. Many 30-day inpatient episodes hit the out-of-pocket max, capping total cost at that amount regardless of total billed charges. Placement advisors run exact figures during verification.

Aetna Denial Appeals

Aetna denials are appealable through internal appeal (within 180 days of the denial) and external independent medical review (IMR) through the California Department of Managed Health Care or Department of Insurance. Under the 2025 SB 855 enforcement rules, Aetna's review of any SUD denial must be conducted by a board-certified addiction specialist physician — if the original denial was based on review by a general internist, that alone is a procedural violation.

How Aetna Placement Works in Practice

Step 1: Placement advisor calls Aetna Behavioral Health with member ID and confirms active PPO coverage plus benefits for inpatient SUD treatment. Step 2: Advisor identifies in-network facilities in the caller's preferred LA region. Step 3: Facility's admissions team submits a pre-authorization request to Aetna. Typical turnaround: 24–72 hours. Step 4: Authorization received, admission scheduled. From first call to admission: often 3–7 days.