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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.

Need to talk to someone?

Speak with Emerald Wellness — NJ detox admissions, 24/7.

Free, confidential calls with Emerald Wellness’s admissions team — insurance verification, level of care, and same-day detox options across New Jersey.