Private Insurance

Does Highmark Cover Rehab?

Highmark is one of the largest Blue Cross Blue Shield affiliates, serving members in Pennsylvania, Delaware, and West Virginia. Highmark covers substance abuse treatment under behavioral health benefits including all levels of care.

Verify Highmark Coverage: (833) 546-3513

⚡ Quick Answer

Yes, Highmark covers addiction treatment. Under the Mental Health Parity Act, Highmark must cover substance use disorder treatment — including Medical Detox, Inpatient/Residential, PHP, IOP, and more. 4 plan types accepted. Average out-of-pocket: $0–$5,000. Call (833) 546-3513 for free verification.

What Does Highmark Cover for Addiction Treatment?

Highmark provides coverage for substance use disorder treatment as part of its behavioral health benefits. Under federal law — specifically the Mental Health Parity and Addiction Equity Act (MHPAEA) and the Affordable Care Act — Highmark is required to cover addiction treatment at the same level as other medical conditions.

This means your Highmark plan covers multiple levels of care, from initial detox through long-term outpatient support. The specific costs, referral requirements, and network restrictions depend on your plan type — see the plan comparison below.

At RehabHive, we work with Highmark daily and can verify your specific benefits in under 5 minutes. We will tell you exactly what is covered, what your out-of-pocket costs will be, and which treatment centers near you accept your plan.

Treatment Levels Covered by Highmark

Highmark covers 7 levels of addiction treatment.

Medical Detox Inpatient/Residential PHP IOP Outpatient Therapy MAT Family Counseling

Learn more about treatment levels →

Highmark Plan Types & Coverage

Your coverage level depends on your specific Highmark plan.

Plan	Network Type	Pre-Auth Required	Out-of-Network
Highmark BCBS PPO	PPO/Open	Usually	✓ Yes
Highmark HMO	HMO	Yes	Limited
Highmark Medicare	PPO/Open	Usually	✓ Yes
Highmark Marketplace	PPO/Open	Usually	✓ Yes

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How to Verify Your Highmark Benefits

1 Call Highmark behavioral health on your card

2 Ask about substance abuse treatment benefits

3 Verify in-network treatment centers

4 Ask about pre-certification for inpatient

5 Confirm deductible and out-of-pocket max

6 Or call RehabHive at (833) 546-3513 for free verification

What Will You Pay Out-of-Pocket with Highmark?

Typical costs after Highmark coverage is applied.

Treatment Level	In-Network Cost	Out-of-Network Cost	Typical Duration
Medical Detox	$0–$500	$500–$2,000	3–7 days
Inpatient Rehab	$500–$3,000	$2,000–$10,000	28–90 days
PHP	$200–$1,500	$1,000–$5,000	4–8 weeks
IOP	$100–$1,000	$500–$3,000	8–12 weeks
Outpatient	$20–$50/visit	$50–$150/visit	Ongoing
MAT	$10–$75/mo	$50–$200/mo	6–24 months

* Costs are estimates assuming deductible is met. Actual costs depend on your specific Highmark plan, facility, and location.

Highmark & Rehab: Frequently Asked Questions

Does Highmark cover rehab?

Yes. Highmark is one of the largest Blue Cross Blue Shield affiliates, serving members in Pennsylvania, Delaware, and West Virginia. Highmark covers substance abuse treatment under behavioral health benefits including all levels of care.

How do I verify my Highmark benefits?

Call Highmark behavioral health on your card Ask about substance abuse treatment benefits Verify in-network treatment centers Ask about pre-certification for inpatient Confirm deductible and out-of-pocket max Or call RehabHive at (833) 546-3513 for free verification

What treatments does Highmark cover?

Highmark covers: Medical Detox, Inpatient/Residential, PHP, IOP, Outpatient Therapy, MAT, Family Counseling.

Does Highmark require pre-authorization?

Most Highmark plans require pre-authorization for inpatient and residential treatment. Outpatient services may not require pre-auth. Your treatment facility typically handles this process.

What Highmark plans cover addiction treatment?

Available plans include: Highmark BCBS PPO, Highmark HMO, Highmark Medicare, Highmark Marketplace. All must cover substance use disorder treatment under the Mental Health Parity Act.

How much does rehab cost with Highmark?

Out-of-pocket costs with Highmark typically range from $0 to $5,000 depending on your plan, deductible, and level of care. Most plans cover 60-90% of treatment costs after the deductible. In-network facilities cost less than out-of-network.

Can I use Highmark for out-of-state rehab?

Most Highmark plans provide out-of-state coverage, though benefits may differ for out-of-network facilities. PPO plans typically offer the best out-of-state coverage. Contact your plan for specific details.

What if Highmark denies my claim?

You have the right to appeal any denial. Request a written explanation from Highmark, gather supporting documentation from your treatment provider, and file a formal appeal. Under the Mental Health Parity Act, Highmark cannot impose stricter limits on rehab than on other medical care.

Your Rights with Highmark

Mental Health Parity Act

Highmark must cover addiction treatment at the same level as physical health conditions. They cannot impose higher copays, stricter visit limits, or more restrictive pre-authorization for rehab.

Right to Appeal

If Highmark denies your claim, you have the legal right to appeal. Request a written explanation and file a formal appeal. Many denials are overturned — especially with supporting documentation from your treatment provider.

Sources

U.S. Department of Labor — Mental Health Parity and Addiction Equity Act
HealthCare.gov — Mental Health & Substance Abuse Coverage
SAMHSA — National Helpline (1-800-662-4357)

Last updated: March 17, 2026 • Reviewed by RehabHive editorial team

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