BCBS Prefix Lookup
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NBU

BCBS Prefix NBU

Blue Cross and Blue Shield of Michigan

Michigan • Medicaid, Medicare Advantage, EPO

Billing essentials

Provider phone
(800) 344-8525
Electronic payer ID
SB711
Claims mailing address
P.O. Box 312500, Detroit, MI 48231-2500
Timely filing limit
365 daysCompare all plans
Prior authorization phone
(800) 344-8525
Provider website
https://www.bcbsm.com

Coverage under prefix NBU

Medicaid

Under this prefix, the member may have Medicaid coverage managed by this BCBS plan. Medicaid claims have specific rules around cost-sharing, balance billing, and timely filing that override the plan's standard commercial policies. Contact the plan's Medicaid provider services line for submission details.

Medicare Advantage

This prefix includes Medicare Advantage coverage. MA plans follow CMS guidelines for timely filing (365 days from date of service), which may differ from the commercial plan's deadline. The payer ID for Medicare Advantage claims may differ from the standard commercial payer ID. Verify before submitting.

EPO

Under this EPO prefix, the member has no out-of-network coverage for routine care. However, unlike HMO plans, no referral is needed to see a specialist within the network. When billing, confirm the provider's network participation status with the plan before submitting the claim.

About Blue Cross and Blue Shield of Michigan

Independent licensee of the Blue Cross Blue Shield Association serving Michigan.

Other prefixes for Blue Cross and Blue Shield of Michigan

A4F
HMO, Traditional Indemnity, EPO
AAB
PPO, HMO, Medicare Advantage, Medicaid
AAI
PPO, HMO, Medicare Advantage, Medicaid
ADO
PPO, HMO, Medicare, Medicaid
AEQ
PPO, HMO, Medicare, Medicaid
AIB
PPO, HMO, EPO, Medicare Advantage
AIC
PPO, HMO, EPO, Medicare Advantage
AIF
PPO, HMO, EPO, Medicare Advantage
AIG
PPO, HMO, EPO, Medicare Advantage
AIK
PPO, HMO, EPO, Medicare Advantage
AIS
PPO, HMO, EPO, Medicare Advantage
AIT
PPO, HMO, EPO, Medicare Advantage
AJP
PPO, HMO, EPO, Medicare Advantage
AJR
PPO, HMO, EPO, Medicare Advantage
AJT
PPO, HMO, EPO, Medicare Advantage
AKM
PPO, HMO, EPO, Medicare Advantage
AKP
PPO, HMO, EPO, Medicare Advantage
ALS
PPO, HMO, EPO, Medicare Advantage
AOB
PPO, HMO, EPO, Medicare Advantage
AOW
PPO, HMO, EPO, Medicare Advantage
AQQ
ASY
HMO, PPO, Medicare Advantage, Medigap
ATC
HMO, PPO, Medicare Advantage, Medigap
AUB
HMO, PPO, Medicare Advantage, Medigap
AUG
HMO, PPO, Medicare Advantage, Medigap
AUP
HMO, PPO, Medicare Advantage, Medigap
AUV
HMO, PPO, Medicare Advantage, Medigap
AXL
HMO, PPO, Medicare Advantage, Medigap
BBI
PPO, EPO, Medicaid Managed Care
BBY
PPO, EPO, Medicaid Managed Care

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