INU

BCBS Prefix INU

Blue Cross Blue Shield of South Carolina

South Carolina • Medicaid, Medicare Advantage, PPO

Billing essentials

Provider phone
(800) 731-2300
Electronic payer ID
00980
Claims mailing address
P.O. Box 100300, Columbia, SC 29202
Timely filing limit
365 daysCompare all plans
Prior authorization phone
(800) 731-2300

Coverage under prefix INU

Medicaid

This prefix is associated with Medicaid managed care. When a BCBS plan administers Medicaid, the claims process may differ from commercial coverage: different payer ID, different claims address, different prior authorization rules, and different timely filing limits. Always verify Medicaid-specific details before submitting.

Medicare Advantage

Medicare Advantage coverage under this prefix means the plan administers Medicare Part A and Part B benefits on behalf of CMS. These claims may have different processing rules than commercial claims, including different prior authorization requirements and appeal timelines. CMS timely filing rules (365 days) typically apply.

PPO

This prefix is associated with a PPO plan. Preferred Provider Organization coverage gives members flexibility to see specialists without referrals and to use out-of-network providers at higher cost-sharing. Claims can be submitted for both in-network and out-of-network services, though reimbursement rates differ.

About Blue Cross Blue Shield of South Carolina

Independent licensee providing commercial, Medicare and Medicaid plans to South Carolina members.