Quick answer
TennCare is Tennessee's Medicaid program, and it covers withdrawal management and substance use treatment at the inpatient, residential and outpatient levels for children, adolescents and adults. Members get that care through one of three managed care organizations. Tennessee has not expanded Medicaid, so eligibility runs through specific categories rather than a broad income cutoff for every adult.
Published: 2026-10-26 Updated: 2026-10-26
You live in Tennessee, you are on TennCare, and you are ready to deal with the drinking or the pills. The first thing you want to know is simple: will it pay for detox and treatment, and who do you actually call. TennCare's answer is unusually clear at the top level — withdrawal management and treatment are covered at every level of care — and then the details move to your managed care plan.
Does TennCare cover rehab and detox in Tennessee?
It depends on the level of care and on medical necessity, but the benefit is stated broadly. TennCare says it covers withdrawal management and treatment at the inpatient, residential, and outpatient levels for children, adolescents, and adults who need substance use treatment. TennCare frames this inside its opioid strategy, which it describes as focusing on primary prevention, secondary prevention, and treatment.
In practice, that means the benefit package reaches from medically supervised withdrawal at a hospital, through residential programs where you live at the facility, down to outpatient counseling and medication you keep up while living at home. Higher levels of care are the ones a plan reviews most closely before it agrees to pay.
Your plan is the door into the benefit
TennCare members do not deal with a single state office for treatment. Behavioral health and substance use coverage runs through the managed care organization named on your card, and TennCare lists three:
- Wellpoint — 833-731-2147
- BlueCare — 1-800-468-9698
- UnitedHealthcare — 1-800-690-1606
Call that plan first. Ask three questions: is this level of care covered, does it need prior authorization, and what will I owe. If a treatment program is handling the paperwork, ask what it submitted and what the plan decided, so you are not surprised at admission.
What TennCare covers, and what medication looks like
TennCare's benefit description covers withdrawal management and treatment at the inpatient, residential, and outpatient levels. For opioid use disorder, that includes the medications that carry the strongest evidence — methadone, buprenorphine and naltrexone — which a clinician matches to your situation.
If alcohol or benzodiazepines are involved, take the warning seriously: stopping suddenly can be dangerous and should be done with medical supervision. Withdrawal management exists precisely for that, and it is listed among the covered services.
Who qualifies for TennCare
Coverage starts with eligibility, and Tennessee has a hard fact worth knowing up front. Tennessee has not expanded Medicaid under the Affordable Care Act, so there is no broad "any adult under 138% of poverty" rule here. TennCare eligibility runs through specific categories instead: children, pregnant women, parents and caretaker relatives, deemed newborns, the medically needy, people receiving Supplemental Security Income, institutionalized individuals, and people with breast or cervical cancer, among others.
The practical result is that most adults without dependent children do not qualify unless they are pregnant, 65 or older, or have a qualifying disability. If you are unsure whether you fit a category, it costs nothing to apply and the state makes the call. There is no open enrollment period for Medicaid — you can apply any time of year through TennCare Connect online, by phone at 855-259-0701, or on paper.
If you do not qualify, you still have options. Tennessee REDLINE at 800-889-9789 is a 24/7 resource for substance use treatment referrals that anyone can call or text, and SAMHSA's National Helpline (1-800-662-4357) is free and confidential. If you are in crisis, call or text 988; call 911 for a medical emergency.
Your parity rights
The Mental Health Parity and Addiction Equity Act generally prohibits plans that provide mental health and substance use disorder benefits from applying financial requirements and treatment limits that are more restrictive than the ones they apply to medical and surgical benefits. Plans that contract with state Medicaid programs are required to comply with certain parity requirements, which means the review of your substance use treatment is not supposed to be stricter than a comparable medical review.
If a request is denied, ask which medical necessity criteria were used and why your case did not meet them. Then use your plan's grievance and appeal process. Keep the denial letter, the date, the reference number, and the name of anyone you speak with.
How to start tonight
If you would rather talk the options through before calling your plan, call (800) 653-9376. The call is free to you, the referral service is paid for by treatment providers, and there is no judgment on the other end. Tennessee REDLINE (800-889-9789) can point you to funded and sliding-scale programs the same day.
If you are in crisis right now, call or text 988 for the Suicide and Crisis Lifeline. Call 911 for a medical emergency.
Questions about Tenncare Coverage
Does TennCare cover rehab and detox?
Yes. TennCare states that it covers withdrawal management and treatment at the inpatient, residential, and outpatient levels for children, adolescents, and adults who need substance use treatment. Which program and how long is decided through your managed care organization and a medical necessity review, so confirm the specific level of care before admission.
Which plan do I call about addiction treatment?
TennCare members receive behavioral health coverage through one of three managed care organizations. Call the plan named on your card: Wellpoint at 833-731-2147, BlueCare at 1-800-468-9698, or UnitedHealthcare at 1-800-690-1606. Each plan can confirm your benefit and whether the service needs authorization.
Who qualifies for TennCare?
You have to fit an eligibility category and meet its income rules. TennCare's categories include children, pregnant women, parents and caretaker relatives, SSI recipients, and people who are elderly, blind or disabled, among others. Because Tennessee has not expanded Medicaid, most adults without dependent children do not qualify unless they are pregnant, 65 or older, or have a qualifying disability.
Do I need to wait for an enrollment period to apply?
No. There is no open enrollment period for Medicaid. You can apply for TennCare any time of year through TennCare Connect online, by phone at 855-259-0701, or with a paper application.
Where can I get a free referral if I am not sure where to go?
Tennessee REDLINE is a 24/7 resource for substance use treatment referrals. Anyone can call or text 800-889-9789 for confidential referrals. If you are in crisis, call or text 988, and call 911 for a medical emergency.