Yes, most health insurance plans in the United States are required by federal law to cover mental health services. If you have insurance through your employer, the Affordable Care Act (ACA) marketplace, Medicare, or Medicaid, your plan almost certainly includes coverage for therapy, psychiatric care, and substance use disorder treatment. The specifics of what you’ll pay out of pocket depend on your plan type, your provider’s network status, and the service you’re receiving.
What Federal Law Requires
Two major federal laws work together to guarantee mental health coverage. The Affordable Care Act lists mental health and substance use disorder services as one of ten essential health benefit categories that all individual and small group market plans must cover. This means any plan sold on the ACA marketplace or to small businesses cannot exclude mental health care.
The Mental Health Parity and Addiction Equity Act (MHPAEA) adds a second layer of protection. It prevents insurers from making mental health benefits harder to use than medical or surgical benefits. Your copay for a therapy session can’t be higher than your copay for a comparable medical visit. Your plan can’t cap the number of therapy sessions per year unless it applies the same kind of limit to medical visits. Deductibles and out-of-pocket maximums must combine mental health and medical costs together rather than separating them into different pools.
Parity applies across six categories: inpatient in-network, inpatient out-of-network, outpatient in-network, outpatient out-of-network, emergency, and prescription drugs. In each category, the financial rules and access restrictions for mental health care must be comparable to those for physical health care.
Pre-existing Conditions Can’t Be Used Against You
Under the ACA, health insurance companies cannot refuse to cover you, charge you higher premiums, or limit your benefits because of a pre-existing mental health condition. A prior diagnosis of depression, anxiety, PTSD, bipolar disorder, or any other mental health condition is treated no differently than a history of asthma or diabetes. This protection applies to both adults and children. The only exception is grandfathered plans, which are policies that existed before the ACA took effect in 2010 and haven’t made significant changes since.
What Medicare Covers
Medicare Part B covers a broad range of outpatient mental health services. The list includes individual and group psychotherapy, psychiatric evaluations, medication management, family counseling (when it supports your treatment), and diagnostic testing. Part B also covers one free depression screening per year at a primary care office, along with intensive outpatient programs and partial hospitalization when needed.
Medicare recognizes a wide range of mental health providers: psychiatrists and other doctors, clinical psychologists, clinical social workers, clinical nurse specialists, nurse practitioners, physician assistants, marriage and family therapists, and mental health counselors. Newer additions to coverage include safety planning for people at risk of suicide or overdose, follow-up calls after emergency department visits for behavioral health crises, and FDA-cleared digital mental health treatment devices.
Plans That May Not Cover Mental Health
Not every type of insurance is held to these standards. Short-term, limited-duration insurance plans do not have to comply with most federal health insurance requirements, including parity rules and essential health benefit mandates. These plans are designed as temporary gap coverage and often exclude mental health services entirely or cover them only in limited ways. If you’re considering a short-term plan, check the benefits document carefully before assuming therapy or psychiatric care will be included.
Grandfathered plans also fall outside some ACA protections. If your coverage has been in place since before March 2010 without major changes, it may not be required to cover mental health services as an essential benefit, though it would still need to follow parity rules if it does offer mental health coverage.
Prior Authorization and Access Barriers
Even with parity protections, many plans require prior authorization before covering certain mental health services. You might need approval before starting inpatient treatment, entering an intensive outpatient program, or continuing therapy beyond a certain number of sessions. This is legal, but only if the plan applies similar requirements to comparable medical services.
Federal regulators have flagged several common practices as red flags for parity violations. These include requiring preauthorization for all mental health services while not doing so for medical care, demanding concurrent review every set number of days for psychiatric treatment but not for medical admissions, and reducing benefits by 50% if you don’t provide advance notification for unscheduled mental health admissions. If your plan imposes restrictions on mental health care that seem stricter than what it requires for physical health care, that may be a parity violation worth reporting to your state insurance department.
Plans are now required to document their comparative analyses showing that any access restrictions they place on mental health benefits are no more stringent than those applied to medical benefits. They must also collect data on whether their policies create meaningful differences in access to mental health care compared to physical health care, and take action to fix any gaps.
In-Network vs. Out-of-Network Costs
Your out-of-pocket costs depend heavily on whether your therapist or psychiatrist is in your plan’s network. In-network providers have agreed to your insurer’s rates, so you’ll typically pay a copay or coinsurance after meeting your deductible. Out-of-network care is more expensive and sometimes significantly so.
If you see an out-of-network therapist, you can still seek partial reimbursement from many plans. The process works like this: you pay your provider’s full fee at the time of service, then request a superbill, which is a detailed receipt with diagnostic and procedure codes. You submit that superbill to your insurance company, and they process it against your out-of-network benefits. Most companies take two to four weeks to send reimbursement.
The amount you get back varies widely. Insurers set their own “allowable amount” for out-of-network services, which is often lower than what your provider actually charges. Your plan then reimburses a percentage of that allowable amount, not a percentage of the full fee you paid. Some plans have generous out-of-network benefits while others reimburse very little or nothing at all. Before committing to an out-of-network provider, call your insurance company’s member services line and ask what your out-of-network reimbursement rate is and what allowable amount they use for therapy sessions.
Telehealth and Virtual Therapy
Most insurance plans now cover therapy and psychiatry appointments conducted by video or phone. As of 2025, 44 states plus the District of Columbia have laws addressing private insurance reimbursement for telehealth. Twenty-four states and Puerto Rico require payment parity, meaning insurers must reimburse telehealth visits at the same rate as in-person care. Montana, for example, specifically prohibits insurers from applying higher deductibles, copays, or coinsurance to telehealth services compared to in-person visits.
Even in states without strict payment parity laws, most major insurers cover telehealth mental health visits as a standard benefit. The expansion of telehealth has made it easier to find in-network providers, especially in areas with therapist shortages, since your provider doesn’t need to be in the same city.
How to Check Your Specific Coverage
The fastest way to understand your mental health benefits is to call the member services number on the back of your insurance card. Ask these specific questions: whether outpatient therapy requires a referral or prior authorization, what your copay or coinsurance is for in-network mental health visits, whether you have out-of-network mental health benefits and what the reimbursement rate is, and how many sessions per year are covered (keeping in mind that session limits may violate parity if they don’t apply to comparable medical care).
You can also log into your insurer’s website or app and search the provider directory filtered by mental health specialties. This will show you which therapists, psychologists, and psychiatrists are in your network and currently accepting new patients. If the directory seems thin, that itself may signal a parity concern, since plans are expected to maintain provider networks for mental health that are comparable to their networks for physical health care.