Aetna Coverage for Mental Health Treatment
Aetna plans include behavioral health benefits managed by Aetna Behavioral Health. Aetna offers access to one of the largest provider networks in the country. Let us help you understand what your plan covers and what to expect.
About Aetna Insurance
Aetna is one of the nation's largest health insurance companies, now operating as a subsidiary of CVS Health. Unlike third-party administrators, Aetna directly underwrites and manages health plans for employers, individuals, and Medicare recipients—offering medical, dental, vision, and behavioral health coverage through its extensive provider network.
If you're seeking mental health or dual diagnosis treatment with Aetna coverage, this guide explains how your plan works, what to expect for authorization, and how to access care at every level—from PHP to outpatient therapy.
Aetna Coverage by Level of Care
Aetna plans vary based on your employer's design or the individual/marketplace plan you've selected. Click any level below to see how Aetna typically covers mental health treatment.
Inpatient Hospitalization
The highest level of psychiatric care, providing round-the-clock medical supervision in a hospital setting. Inpatient hospitalization is reserved for acute psychiatric crises requiring immediate stabilization—severe depression with suicidal ideation, active psychosis, or medical detoxification when co-occurring substance use requires monitored withdrawal management.
About This Level
- SettingHospital psychiatric unit
- Duration3–14 days typical
- Hours24/7 supervision
- Medical careContinuous monitoring
Aetna Coverage
- Typically 80–90% in-network after deductible
- Prior authorization required through Aetna Behavioral Health
- Out-of-network often 50–60% after deductible
- Concurrent reviews every 1–3 days
Medical Necessity Criteria
- Imminent risk of harm to self or others
- Lower levels of care insufficient for stabilization
- 24/7 medical monitoring clinically required
- Aetna reviews continued stay every 1–3 days
Residential Treatment
24/7 care in a home-like, non-hospital environment for those who need intensive support but not hospital-level medical monitoring. Residential treatment is particularly effective for dual diagnosis—co-occurring mental health and substance use disorders—where removing someone from triggering environments creates space for deeper therapeutic work.
About This Level
- SettingLicensed residential facility
- Duration30–90 days typical
- Hours24/7 staffing
- StructureFull therapeutic immersion
Aetna Coverage
- Coverage varies widely (60–80% typical)
- Prior authorization required
- Concurrent reviews typically every 5–7 days
- Gap exceptions possible for out-of-network
Medical Necessity Criteria
- PHP or outpatient insufficient for symptom management
- Risk factors requiring 24/7 structure (not hospital-level)
- Environment removal necessary for stabilization
- Documented failed attempts at lower levels of care
Partial Hospitalization Program
Intensive day treatment providing 5–6 hours of structured programming per day, 5 days per week, while you return home each evening. PHP is the highest level of outpatient care—a step down from residential or inpatient, or direct entry for those who need intensive support but can maintain safety outside a 24-hour setting.
About This Level
- SettingOutpatient treatment center
- Duration2–4 weeks typical
- Hours5–6 hours/day, 5 days/week
- EveningsReturn home
Aetna Coverage
- Generally well-covered (60–80% typical)
- Prior authorization often required
- Billed per day (bundled rate)
- Some plans have day limits per year
Medical Necessity Criteria
- Standard outpatient insufficient for symptom severity
- Able to maintain safety outside 24/7 setting
- Functional impairment documented clinically
- Insurance may review weekly for continued stay
Intensive Outpatient Program
Structured treatment for approximately 3 hours per day, 3–5 days per week, with flexible morning, afternoon, or evening sessions. IOP allows you to continue working, attending school, or managing family responsibilities while receiving intensive therapeutic support. This level works as a step down from PHP or residential, or as direct entry for moderate symptoms.
About This Level
- SettingOutpatient center or virtual
- Duration4–8 weeks typical
- Hours3 hours/day, 3–5 days/week
- SchedulingAM, PM, or evening options
Aetna Coverage
- Well-covered by most plans (60–80%)
- Prior authorization often NOT required
- Billed per session
- Often most affordable intensive option
Outpatient Therapy
Traditional therapy sessions 1–2 times per week for ongoing mental health support, maintenance, and long-term recovery. Outpatient therapy is the foundation of sustained wellness—helping you process experiences, develop coping strategies, and maintain progress made in higher levels of care. Available in-person or via telehealth.
About This Level
- SettingOffice or telehealth
- DurationOngoing as needed
- Sessions1–2 per week, 45–60 min
- FlexibilitySchedule around your life
Aetna Coverage
- Covered under behavioral health benefits
- In-network copay typically $20–$50/session
- No prior authorization for standard therapy
- Some plans limit sessions (20–30/year typical)
Aetna Plan Types & Mental Health Coverage
Aetna offers several plan types through employers, the marketplace, and individual purchase. Your plan type affects your provider options, out-of-pocket costs, and whether you need referrals for mental health care.
PPO (Open Choice)
Most Flexibility- No referral needed for therapists or psychiatrists
- In-network: Lower costs (typically 80/20)
- Out-of-network: Still covered (often 60/40)
- Best option for choosing your own providers
POS (Choice POS II)
Balanced Choice- PCP referral recommended for lower costs
- In-network: Similar to PPO (80/20 typical)
- Out-of-network: Covered at higher cost
- Good middle ground between cost and flexibility
HMO (Open Access)
Lower Premiums- Must use Aetna network providers
- No out-of-network coverage (except emergencies)
- Lower copays than PPO/POS plans
- Many allow direct access to in-network behavioral health
HDHP with HSA
Tax Advantages- Tax-advantaged HSA savings for healthcare
- Higher deductible before coverage ($1,600+ individual)
- HSA funds cover therapy, psychiatry, medications
- After deductible: coverage like underlying plan type
Mental Health Conditions Covered by Aetna
Aetna plans cover treatment for a wide range of mental health conditions when medically necessary. Coverage applies across all levels of care—from outpatient therapy to intensive programs like PHP and IOP.
Mood Disorders
- Major Depressive Disorder
- Persistent Depressive Disorder (Dysthymia)
- Bipolar I & II Disorders
- Seasonal Affective Disorder
- Postpartum Depression
- Treatment-Resistant Depression
Anxiety Disorders
- Generalized Anxiety Disorder (GAD)
- Panic Disorder
- Social Anxiety Disorder
- Specific Phobias
- Agoraphobia
- Separation Anxiety Disorder
Trauma & Stress-Related
- Post-Traumatic Stress Disorder (PTSD)
- Complex PTSD
- Acute Stress Disorder
- Adjustment Disorders
- Reactive Attachment Disorder
- Childhood Trauma
Personality Disorders
- Borderline Personality Disorder (BPD)
- Narcissistic Personality Disorder
- Avoidant Personality Disorder
- Dependent Personality Disorder
- Obsessive-Compulsive Personality Disorder
- Other Cluster A, B, C Disorders
OCD & Related Disorders
- Obsessive-Compulsive Disorder (OCD)
- Body Dysmorphic Disorder
- Hoarding Disorder
- Trichotillomania (Hair-Pulling)
- Excoriation (Skin-Picking)
- OCD Spectrum Conditions
Other Conditions
- ADHD (Attention-Deficit/Hyperactivity)
- Eating Disorders (Anorexia, Bulimia, Binge Eating)
- Dissociative Disorders
- Sleep-Wake Disorders
- Somatic Symptom Disorders
- Co-Occurring Substance Use Disorders
Medical necessity determines coverage, not diagnosis alone. Having a diagnosis doesn't automatically mean a specific treatment level is covered. Aetna (like all insurers) requires that treatment be "medically necessary"—meaning the level of care matches the severity of symptoms. Our admissions team works with Aetna Behavioral Health to document medical necessity and secure authorization for the appropriate level of care.
Dual Diagnosis Coverage with Aetna
When mental health conditions and substance use disorders occur together—called dual diagnosis or co-occurring disorders—Aetna covers integrated treatment that addresses both simultaneously. Treating one without the other rarely leads to lasting recovery.
What Is Dual Diagnosis?
Dual diagnosis means having both a mental health condition and a substance use disorder at the same time. These conditions often fuel each other: untreated anxiety leads to self-medicating with alcohol, which worsens depression, which increases drinking. Breaking this cycle requires treating both conditions together.
How Aetna Covers Dual Diagnosis
Mental Health Parity Act
- SUD treatment covered at parity with medical/surgical benefits
- Applies to detox, residential, PHP, IOP, and outpatient
- Cannot impose stricter limits on SUD than other conditions
Detoxification Services
- Medical detox typically covered as inpatient benefit
- Prior authorization required through Aetna Behavioral Health
- Length of stay determined by medical necessity
Integrated Dual Diagnosis Care
- Coverage for facilities treating both conditions simultaneously
- MAT (Suboxone, Vivitrol) often covered for opioid use disorder
Questions to Ask During Verification
- Does my plan cover dual diagnosis treatment?
- Is medical detox covered? What preauthorization is required?
- Are there separate limits for SUD vs. mental health benefits?
Getting Treatment Approved with Aetna
Aetna Behavioral Health handles authorization for mental health and substance use treatment. Most levels of care require prior authorization before treatment begins.
Who Submits the Authorization Request?
In most cases, the treatment facility handles authorization on your behalf. They submit requests directly to Aetna Behavioral Health through the Availity portal or by phone.
- Facility gathers clinical documentation and submits to Aetna
- You provide your Aetna insurance card and basic information
- Our admissions team manages the entire process for you
Timeline: Urgent requests typically 24–72 hours. Standard requests 3–5 business days. Emergency admissions can be authorized retroactively.
Prior Authorization by Level of Care
| Level of Care | Auth Required? | Review Frequency |
|---|---|---|
| Inpatient | Always | Every 1–3 days |
| Residential | Always | Every 5–7 days |
| PHP | Usually | Weekly |
| IOP | Often No | Varies by plan |
| Outpatient | Rarely | N/A (routine care) |
Aetna Medical Necessity Criteria
- Diagnosis — Mental health or SUD
- Severity — Symptoms & impairment level
- Safety — Risk to self or others
- Failed lower levels — Why needed
Concurrent Review & Continued Stay
Once treatment begins, Aetna reviews your progress at regular intervals to authorize additional days or sessions:
- Clinical team provides updates showing continued medical necessity
- Reviews happen every few days (inpatient) to weekly (PHP/IOP)
- Extensions approved if you still meet clinical criteria
If continued stay is denied: The facility can request a peer-to-peer review, where your treatment team speaks directly with an Aetna medical director to advocate for your care.
Appeals Process for Denials
If Aetna denies authorization or continued stay, you have the right to appeal within 180 days of the denial:
- Internal appeal — Aetna responds within 30–60 days
- External appeal — Independent third-party review available
- Expedited appeal — For urgent situations, decisions within 36–72 hours
Know your rights: Under the Mental Health Parity Act, Aetna cannot apply stricter limits to mental health care than to medical/surgical care.
Out-of-Network Options with Aetna
Aetna PPO and POS plans include out-of-network benefits, though HMO and EPO plans typically do not. Many people choose out-of-network care for specialized programs not available in Aetna's network.
Why Choose Out-of-Network
- Specialized programs (trauma-focused, somatic therapy, neurofeedback)
- Lower client-to-clinician ratios, more individualized care
- Shorter wait times than in-network facilities
- Privacy and discretion at boutique programs
How Aetna Reimbursement Works
- Facility bills Aetna or you pay upfront
- Reimbursed at Aetna's "allowed amount"
- You pay difference (balance billing) plus coinsurance
- Superbill available for self-reimbursement
Cost Expectations
- Separate (higher) out-of-network deductible
- Higher coinsurance (40–50% typical vs. 20% in-network)
- Separate out-of-pocket maximum
- Balance billing possible for amounts above allowed
Gap Exceptions & Single Case Agreements
- Get in-network rates at out-of-network facilities
- Available when specialized care isn't in Aetna's network
- Common for residential and dual diagnosis treatment
- We negotiate with Aetna Behavioral Health on your behalf
Ask our admissions team about gap exception options for your Aetna plan.
Managing Treatment Costs with Aetna
Even with good coverage, out-of-pocket costs for intensive mental health treatment can add up. Here are some options Aetna members commonly use to manage expenses.
HSA & FSA Accounts
- HSA funds can pay deductibles, coinsurance, and copays tax-free
- FSA funds work similarly but typically must be used within your plan year
- Mental health treatment is an eligible expense for both account types
- Check your balance through your Aetna member portal or employer
HSA funds roll over year to year. FSA funds often expire, so use them before you lose them.
Out-of-Pocket Maximum
- Annual cap on what you pay for covered services
- Once reached, Aetna pays 100% for the rest of the plan year
- Includes deductibles, coinsurance, and copays you've paid
- Check your progress toward your max in your Aetna portal
Timing matters: If you're close to your max, starting treatment before year-end could mean lower costs.
Healthcare Financing
- CareCredit offers promotional interest-free periods for medical expenses
- Prosper Healthcare Lending provides extended terms up to 84 months
- Advance Care Card is designed specifically for behavioral health
- Apply before treatment to know your options upfront
Ask any provider which financing options they accept before starting treatment.
Other Resources to Explore
- EAP benefits through your employer may cover initial sessions at no cost
- Sliding scale programs are offered by some treatment providers
- State and local grants may be available for mental health treatment
- Nonprofit assistance programs exist for behavioral health care
Understanding Insurance Terms
Insurance terminology can be confusing. Here's a quick reference guide to help you understand your Aetna benefits.
Deductible
The amount you pay out-of-pocket before Aetna starts covering costs. Most Aetna plans have separate in-network and out-of-network deductibles.
Coinsurance
Your percentage share of costs after you've met your deductible. If your plan has 80/20 coinsurance, Aetna pays 80% and you pay 20%. Out-of-network coinsurance is typically 60/40 or 50/50.
Copay
A fixed dollar amount you pay for specific services. Copays are common for outpatient visits but less common for intensive programs like PHP or IOP, which usually use coinsurance instead.
Out-of-Pocket Maximum
The most you'll pay for covered services in a plan year. Once you reach this limit, Aetna pays 100% for the rest of the year. This includes your deductible, coinsurance, and copays, but not premiums.
In-Network
Providers who have a contract with Aetna. You pay less when you use in-network providers because they've agreed to Aetna's negotiated rates for services.
Out-of-Network
Providers without an Aetna contract. You'll typically pay more, and may need to pay upfront and submit for reimbursement. HMO plans often have no out-of-network coverage except for emergencies.
Allowed Amount
The maximum amount Aetna considers "reasonable" for a service. In-network providers accept this as full payment. Out-of-network providers can bill you the difference between their charge and the allowed amount.
Explanation of Benefits (EOB)
A statement Aetna sends after processing a claim. It shows what was billed, what Aetna paid, and what you owe. This is not a bill. You'll receive a separate bill from the provider.
Prior Authorization
Approval from Aetna Behavioral Health required before certain services are covered. For mental health treatment, inpatient, residential, and PHP typically require it. IOP and outpatient often do not.
Medical Necessity
The clinical criteria Aetna uses to determine if a treatment level is appropriate for your condition. Authorization decisions are based on whether your symptoms meet criteria for the requested level of care.
Concurrent Review
Ongoing check-ins while you're in treatment. Aetna reviews your progress at regular intervals to authorize additional days or sessions based on continued medical necessity.
Single Case Agreement
A negotiated agreement where Aetna agrees to cover an out-of-network provider at in-network rates. This is sometimes used when specialized care isn't available within Aetna's network.
PPO (Open Choice)
Aetna's most flexible plan type. See any provider without referrals, in-network or out-of-network, though you pay less in-network. Best for accessing specialized treatment not available in-network.
POS (Choice POS II)
Combines HMO and PPO features. You can see out-of-network providers, but pay significantly less with in-network providers and PCP referrals. A balanced middle option between flexibility and cost.
HMO (Open Access)
Lower premiums but you must use Aetna network providers. No out-of-network coverage except emergencies. Many Aetna HMOs allow direct access to in-network behavioral health without a referral.
HDHP with HSA
Lower premiums with a higher deductible ($1,600+ for individuals). Paired with a tax-advantaged Health Savings Account. You pay more upfront before Aetna coverage kicks in.
Questions about your Aetna benefits?
Our team can verify your coverage and explain exactly what you'll pay.
Aetna Contact Information & Resources
Use these verified phone numbers and links to contact Aetna directly, check your benefits, or find answers to common questions.
Tip: Your Aetna ID card has plan-specific phone numbers that may differ from the general numbers above. For the fastest service, call the member services number printed on your card.
Frequently Asked Questions
Questions about privacy, dependents, and other Aetna coverage details.
No. HIPAA protects your mental health treatment information from your employer.
Your employer cannot see what services you receive, what conditions you're treated for, or which providers you visit. Self-funded employer plans have the same HIPAA protections. The only data employers may access is aggregate, de-identified claims data for the company as a whole.
Yes. Aetna covers mental health treatment for eligible dependents:
- Spouses and domestic partners (if included in your plan)
- Children up to age 26 under the ACA dependent coverage rule
- No restrictions on student status, employment, marital status, or living situation
Some plans extend coverage to age 30 in certain states.
No. The ACA eliminated lifetime and annual limits on mental health benefits and prohibits denying coverage based on pre-existing conditions.
Aetna cannot deny treatment, charge higher premiums, or impose waiting periods because of prior mental health diagnoses or treatment history.
You can, but it's risky. Without verification, you won't know your deductible, coinsurance, or whether prior authorization is required.
If authorization is required and not obtained, Aetna may deny the claim. Most treatment facilities verify benefits within 24-48 hours. For urgent situations, some facilities will begin treatment while verification is pending.
Coordination of benefits rules determine which plan pays first:
- Your own employer plan is typically primary over a spouse's plan
- For children, the "birthday rule" makes the parent whose birthday falls earlier in the calendar year the primary plan
- The secondary plan may cover remaining costs up to its benefit limits
Inform both insurers and your treatment provider about dual coverage.
You have the right to appeal. Here's the process:
- Request denial reason in writing from Aetna
- File internal appeal within 180 days; Aetna responds in 30-60 days
- Request external review by an independent organization if internal appeal denied
- Expedited appeals for urgent care are decided within 72 hours
Treatment providers can also request peer-to-peer reviews with Aetna medical directors.