X8S

BCBS Prefix X8S

Anthem Blue Cross

California • HMO, Medicaid, EPO

Billing essentials

Provider phone
(855) 871-4899
Electronic payer ID
47198
Claims mailing address
P.O. Box 60007, Los Angeles, CA 90060
Timely filing limit
90 daysCompare all plans
Prior authorization phone
(888) 831-2246

Coverage under prefix X8S

HMO

This prefix is linked to an HMO plan. Health Maintenance Organization coverage requires members to use in-network providers and coordinate care through a designated primary care physician. Referrals are typically required for specialist visits. Claims submitted without proper referral documentation may be denied.

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.

EPO

This prefix is associated with an EPO plan. Exclusive Provider Organization coverage combines elements of HMO and PPO plans: members must stay in-network like an HMO, but can self-refer to specialists like a PPO. Out-of-network services are not covered except for emergencies.

About Anthem Blue Cross

Health insurance provider offering Medicare, Medicaid, commercial, dental and vision plans to over 8 million California members. Independent licensee of the Blue Cross Association founded in 1937.