Insurance Guide
Horizon BCBS NJ Coverage for Detox & Rehab
Horizon is the largest health insurer in New Jersey. Most Horizon plans cover medical detox and residential treatment as in-network benefits, subject to medical necessity review.
Updated February 2026 · Member services: 1-800-355-BLUE (2583)
What’s typically covered
- Medically necessary detox (inpatient and ambulatory)
- Residential rehabilitation (14–28 days initial authorization)
- Partial hospitalization and intensive outpatient
- MAT: buprenorphine, naltrexone, methadone
Prior authorization
Emergent detox admissions do not require prior authorization. Elective residential admissions typically do.
Plans covered on this page
- Horizon HMO
- Horizon Advantage EPO
- Horizon Direct Access
- OMNIA
This page is educational. Benefits and prior-authorization rules change; always verify with your plan’s member services line above.
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