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BCBS AFFILIATEILPBM: Prime Therapeutics

BCBS Illinois (HCSC) Prior Authorization Guide

Submit prior authorization requests and appeal denials with BCBS Illinois. Phone numbers, fax numbers, appeal deadlines, step therapy override rights, and clinical documentation tips for IL providers.

Generate BCBS Illinois LMN →

Prior Authorization Contacts

PA PHONE
1-800-972-8088
PA FAX
1-866-617-3077
TURNAROUND
15 days standard, 72h expedited
TIMELY FILING
180 days
APPEALS MAILING ADDRESS
BCBS Illinois, Attn: Appeals, PO Box 805107, Chicago, IL 60680

Common Denial Reasons

  • HCSC Medical Policy criteria not met
  • Step therapy required
  • Non-preferred formulary status
  • Site of care

Step Therapy Requirements & Override Rights

BCBS Illinois is part of HCSC (also TX, NM, OK, MT). Illinois HB 3596 (2019) provides step therapy override rights — 72 hour urgent / 15 days standard response required. Standard HCSC Medical Policy applies.

Tips for BCBS Illinois Submissions

  • 1. HCSC Medical Policy applies across IL/TX/NM/OK/MT
  • 2. IL HB 3596 provides step therapy override rights
  • 3. Submit via Availity
  • 4. Prime Therapeutics is the PBM

External Review Authority

If BCBS Illinois denies your final internal appeal, you have the right to request an external review through: Illinois Department of Insurance.

External review decisions are binding on the insurer.