BCBS Alpha Prefix UAA to UZZ

The BCBS alpha prefix range from UAA to UZZ represents a segment of the Blue Cross Blue Shield (BCBS) insurance identification system. The UAA to UZZ prefixes are the first three characters on member ID cards and identify the BCBS home plan associated with a member. The UAA to UZZ range covers multiple states and BCBS companies, including prefixes like UAA for BCBS of Michigan and URA for Anthem BCBS. Medical billers and providers use the UAA to UZZ prefixes to route claims, verify insurance eligibility, and process reimbursements.

The UAA to UZZ prefix range maps each prefix to a BCBS company and state, enabling precise claims filing. UAA corresponds to BCBS of Michigan, while UCE is linked to BCBS of Texas. The UAA to UZZ prefix mapping determines the correct claims submission address or phone number, preventing delays in processing. The UAA to UZZ range is part of the complete BCBS prefix directory, which spans from AAA through ZZZ and covers all assigned prefixes.

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BCBS Prefix UAA to UEZ Assignment Table

The BCBS Prefix UAA to UEZ Assignment Table lists the Blue Cross Blue Shield prefixes from UAA to UEZ. The UAA to UEZ table identifies the BCBS home plans, states, and plan types associated with each prefix. The UAA to UEZ table includes claims phone numbers for accurate claims filing and verification.

Prefix	BCBS Home Plan Name	State	Plan Type	Claims Phone Number
UAA	BCBS of Michigan	Michigan	PPO, HMO	(800) 482-3276
UAM	Highmark BCBS of Pennsylvania	Pennsylvania	HDHP, Medicare Advantage, EPO	(800) 541-1524
UAN	Horizon BCBS of New Jersey	New Jersey	POS, PPO, Medicaid	(800) 682-9090
UAO	BCBS of Michigan	Michigan	Traditional Indemnity, HDHP, HMO	(800) 482-3276
UAP	Blue Cross of California	California	EPO, Medicare Advantage, POS	(800) 288-9294
UAQ	Blue Shield of California	California	Medicaid, PPO, HDHP	(800) 676-2583
UCA	Anthem BCBS of Ohio	Ohio	HMO, POS, PPO	(800) 331-1475
UCB	Premera BCBS of Alaska	Alaska	EPO, HDHP, Medicare Advantage	(800) 508-4722
UCC	BCBS of Michigan	Michigan	Traditional Indemnity, Medicaid, HDHP	(800) 482-3276
UCE	BCBS of Texas	Texas	POS, PPO, EPO	(800) 521-9628
UCW	BCBS of Tennessee	Tennessee	POS, EPO, Traditional Indemnity	(800) 467-2954
UCX	Anthem BCBS of Ohio	Ohio	Medicare Advantage, HMO, HDHP	(800) 331-1475
UCY	Blue Shield of California	California	Traditional Indemnity, Medicaid, PPO	(800) 676-2583
UCZ	BCBS of Western New York	Western New York	HDHP, EPO, POS	(800) 854-1790
UDA	Premera BCBS of Alaska	Alaska	HMO, Medicare Advantage, Traditional Indemnity	(800) 508-4722

The prefixes listed in the UAA to UEZ table are verified for routing claims within the BCBS network. For prefixes not detailed in the UAA to UEZ table, consult the BCBS Plan Finder for current information.

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BCBS Prefix UFA to UKZ Assignment Table

The BCBS Prefix UFA to UKZ Assignment Table lists the Blue Cross Blue Shield alpha prefixes between UFA and UKZ. The UFA to UKZ table includes each prefix, the corresponding BCBS home plan, associated states, plan types, and claims contact numbers.

Prefix	BCBS Home Plan Name	State	Plan Type	Claims Phone Number
UFP	BCBS of Michigan	Michigan	PPO, HMO, EPO	(800) 482-3276
UFQ	Blue Cross of Idaho	Idaho	PPO, HMO, POS	(800) 627-1183
UFR	Anthem BCBS of New Hampshire	New Hampshire	PPO, EPO, Medicare Advantage	(800) 331-1475
UFS	Anthem BCBS of New Hampshire	New Hampshire	PPO, EPO, Medicare Advantage	(800) 331-1475
UFT	BCBS of Alabama	Alabama	PPO, HMO, POS	(800) 292-6662
UFU	BCBS of Tennessee	Tennessee	PPO, HMO, EPO	(800) 467-2954
UFV	BCBS of Minnesota	Minnesota	PPO, HMO, POS	(800) 292-9371
UFW	BCBS of Illinois	Illinois	PPO, HMO, EPO, Medicare Advantage	(800) 233-1474
UFX	BCBS of Michigan	Michigan	PPO, HMO, EPO	(800) 482-3276
UFY	Wellmark BCBS	Iowa/South Dakota	PPO, HMO, POS, Medicare Advantage	(800) 524-9242
UFZ	Highmark BCBS of Pennsylvania	Pennsylvania	PPO, EPO, HDHP	(800) 541-1524

The UFA to UKZ table includes assigned prefixes with their plan details and contact numbers for accurate claims routing.

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BCBS Prefix ULA to UPZ Assignment Table

The BCBS Alpha Prefix ULA to UPZ Assignment Table provides information for medical billing and claims processing. The ULA to UPZ table includes details about each prefix, the corresponding Blue Cross Blue Shield home plan, associated states, plan types, and claims contact numbers.

Prefix	BCBS Home Plan Name	State	Plan Type	Claims Phone Number
ULA	Anthem BCBS of Colorado	Colorado	Medicare Advantage, POS, HDHP	(800) 424-5725
ULB	Anthem BCBS of Ohio	Ohio	Traditional Indemnity, EPO, PPO	(800) 331-1475
ULC	Anthem BCBS of Ohio	Ohio	PPO, HMO, EPO	(800) 331-1475
ULD	Premera BCBS of Alaska	Alaska	POS, Medicare Advantage, Traditional Indemnity	(800) 508-4722
UMA	BCBS of Massachusetts	Massachusetts	PPO, HMO, Medicare Advantage	(800) 262-0820
UMB	Blue Cross of Idaho	Idaho	EPO, PPO, HMO	(800) 627-1183
UMC	BCBS of Minnesota	Minnesota	PPO, HMO, POS	(800) 292-9371
UMD	Highmark BCBS of Pennsylvania	Pennsylvania	HDHP, EPO, Medicare Advantage	(800) 541-1524
UME	BCBS of South Carolina	South Carolina	PPO, POS, HMO	(800) 288-2227
UOT	Blue Shield of California	California	PPO, EPO, Medicaid	(800) 676-2583
UOU	Regence BCBS	Oregon/Idaho/Utah/Washington	POS, PPO, HMO	(888) 248-2595
UPN	Wellmark BCBS	Iowa/South Dakota	PPO, HMO, EPO	(800) 524-9242
UPO	Blue Shield of NE New York	New York	PPO, Medicare Advantage, POS	(800) 499-1275
UPP	BCBS of Texas	Texas	PPO, EPO, HMO	(800) 521-9628
UPQ	BCBS of Western New York	New York	HDHP, PPO, EPO	(800) 854-1790
UPR	Highmark BCBS of Pennsylvania	Pennsylvania	PPO, HMO, Medicare Advantage	(800) 541-1524
UPS	Wellmark BCBS	Iowa/South Dakota	PPO, POS, EPO	(800) 524-9242

The ULA to UPZ table is part of the BCBS prefix directory for proper claim submission and processing.

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BCBS Prefix URA to UZZ Assignment Table

The BCBS prefix range from URA to UZZ covers Blue Cross Blue Shield plans across multiple states. The URA to UZZ table provides detailed information about each prefix, including the associated home plan, state, plan type, and claims phone number.

Prefix	BCBS Home Plan Name	State	Plan Type	Claims Phone Number
URA	Anthem BCBS	Multi-state	PPO, HMO, EPO	(800) 331-1475
URB	BCBS of Michigan	Michigan	PPO, HMO, Medicare Advantage	(800) 482-3276
URC	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO, POS	(800) 692-7459
URD	Empire BCBS	New York	PPO, HMO, EPO	(800) 553-9603
URE	Anthem Blue Cross	California	PPO, HMO, HDHP	(800) 288-9294
URF	BCBS of Texas	Texas	PPO, HMO, EPO	(800) 521-9628
URG	BCBS of Illinois	Illinois	PPO, HMO, Medicare Advantage	(800) 233-1474
URH	Wellmark BCBS	Iowa/South Dakota	PPO, HMO	(800) 524-9242
URI	Horizon BCBS	New Jersey	PPO, HMO, POS	(800) 682-9090
URJ	BCBS of Georgia	Georgia	PPO, HMO, Medicaid	(800) 772-1139
USB	Regence Blue Shield	Washington	PPO, HMO, EPO	(888) 248-2595
USC	Highmark BCBS of Pennsylvania	Pennsylvania	PPO, HMO, Medicare Advantage	(800) 541-1524
USE	BCBS of Texas	Texas	PPO, EPO, POS	(800) 521-9628
USF	BCBS of South Carolina	South Carolina	PPO, HMO, POS	(800) 288-2227
USG	Anthem BCBS of Virginia	Virginia	PPO, HMO, EPO	(800) 331-1475
UXI	Horizon BCBS of New Jersey	New Jersey	PPO, POS, Medicaid	(800) 682-9090
UXJ	BCBS of Illinois	Illinois	PPO, HMO, Medicare	(800) 233-1474
UXK	Highmark BCBS of Pennsylvania	Pennsylvania	PPO, HMO, HDHP	(800) 541-1524
UXL	Highmark BCBS of Pennsylvania	Pennsylvania	PPO, HMO, HDHP	(800) 541-1524
UXM	BCBS of Illinois	Illinois	PPO, HMO, Medicare	(800) 233-1474
UXN	Blue Shield of California	California	PPO, EPO, Medicaid	(800) 676-2583
UZD	Blue Shield of California	California	PPO, EPO, HDHP	(800) 676-2583
UZE	Highmark BCBS of Pennsylvania	Pennsylvania	PPO, HMO, Medicare	(800) 541-1524
UZG	BCBS of Michigan	Michigan	PPO, HMO, Indemnity	(800) 482-3276
UZH	Wellmark BCBS	Iowa/South Dakota	PPO, EPO, HDHP	(800) 524-9242
UZI	Blue Cross of California	California	PPO, HMO, POS	(800) 288-9294
UZY	BCBS of Michigan	Michigan	PPO, HMO, Indemnity	(800) 482-3276
UZZ	BCBS of Texas	Texas	PPO, EPO, POS	(800) 521-9628

The URA to UZZ table identifies and categorizes the insurance plans under the Blue Cross Blue Shield umbrella with plan details for accurate claims processing.

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What Are the BCBS Alpha Prefixes from UAA to UZZ?

The BCBS alpha prefixes from UAA to UZZ are three-character codes assigned to Blue Cross Blue Shield insurance plans. Each prefix in the UAA to UZZ range identifies the BCBS home plan, the state of origin, and the plan type (such as PPO, HMO, EPO, or POS). The UAA to UZZ prefixes appear as the first three characters on a member's insurance ID card and are used by medical billers and healthcare providers to route claims, verify eligibility, and identify the correct BCBS entity for reimbursement.

The UAA to UZZ prefix range is part of the larger BCBS alpha prefix system, which spans from AAA through ZZZ. The Blue Cross Blue Shield Association assigns prefixes to its independent licensees across the United States. Each prefix maps to a specific BCBS company and state, such as UAA for BCBS of Michigan or URA for Anthem BCBS. The prefix system standardizes the identification of BCBS plans for claims processing and provider services.

Not all prefixes in the UAA to UZZ range are assigned to active BCBS plans. Some prefixes remain unallocated and are reserved for future use or are not currently in circulation. Medical billers should verify unallocated prefixes against the latest BCBS directories or contact the BCBS Association to confirm prefix assignments before submitting claims.

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Which BCBS Companies Use Prefixes in the UAA to UZZ Range?

Multiple Blue Cross Blue Shield companies use prefixes in the UAA to UZZ range. The following BCBS companies are among those with assigned prefixes in this range:

health_and_safety BCBS of Michigan — Prefixes include UAA, UAO, UCC, UFP, UFX, URB, UZG, and UZY, covering PPO, HMO, EPO, HDHP, Traditional Indemnity, Medicaid, and Medicare Advantage plans in Michigan.
health_and_safety Highmark BCBS of Pennsylvania — Prefixes include UAM, UFZ, UMD, UPR, USC, UXK, UXL, and UZE, covering PPO, HMO, EPO, HDHP, and Medicare Advantage plans in Pennsylvania.
health_and_safety Anthem BCBS — Anthem operates across multiple states with prefixes such as UCA (Ohio), UCX (Ohio), ULA (Colorado), ULB (Ohio), ULC (Ohio), URA (multi-state), URE (California), and USG (Virginia).
health_and_safety Blue Shield of California — Prefixes include UAQ, UCY, UOT, UXN, and UZD, covering PPO, EPO, Medicaid, HDHP, and Traditional Indemnity plans in California.
health_and_safety BCBS of Texas — Prefixes include UCE, UPP, URF, USE, and UZZ, covering PPO, HMO, EPO, and POS plans in Texas.
health_and_safety Wellmark BCBS — Prefixes include UFY, UPN, UPS, URH, and UZH, covering PPO, HMO, POS, EPO, HDHP, and Medicare Advantage plans in Iowa and South Dakota.
health_and_safety Horizon BCBS of New Jersey — Prefixes include UAN, URI, and UXI, covering PPO, HMO, POS, and Medicaid plans in New Jersey.
health_and_safety BCBS of Illinois — Prefixes include UFW, URG, UXJ, and UXM, covering PPO, HMO, EPO, Medicare, and Medicare Advantage plans in Illinois.
health_and_safety Premera BCBS of Alaska — Prefixes include UCB, UDA, and ULD, covering EPO, HDHP, HMO, POS, Medicare Advantage, and Traditional Indemnity plans in Alaska.
health_and_safety CareFirst BCBS — Prefix URC covers PPO, HMO, and POS plans in the Maryland, Washington D.C., and Northern Virginia region.
health_and_safety Blue Cross of California — Prefixes include UAP and UZI, covering EPO, PPO, HMO, POS, and Medicare Advantage plans in California.
health_and_safety Empire BCBS — Prefix URD covers PPO, HMO, and EPO plans in New York.
health_and_safety BCBS of Tennessee — Prefixes include UCW and UFU, covering PPO, HMO, EPO, POS, and Traditional Indemnity plans in Tennessee.
health_and_safety Regence BCBS — Prefixes include UOU and USB, covering PPO, HMO, EPO, and POS plans in Oregon, Idaho, Utah, and Washington.
health_and_safety BCBS of Western New York — Prefixes include UCZ and UPQ, covering HDHP, EPO, PPO, and POS plans in Western New York.
health_and_safety Blue Cross of Idaho — Prefixes include UFQ and UMB, covering PPO, HMO, POS, and EPO plans in Idaho.
health_and_safety BCBS of Massachusetts — Prefix UMA covers PPO, HMO, and Medicare Advantage plans in Massachusetts.
health_and_safety BCBS of Minnesota — Prefixes include UFV and UMC, covering PPO, HMO, and POS plans in Minnesota.
health_and_safety BCBS of South Carolina — Prefixes include UME and USF, covering PPO, HMO, and POS plans in South Carolina.
health_and_safety Blue Shield of NE New York — Prefix UPO covers PPO, Medicare Advantage, and POS plans in New York.
health_and_safety BCBS of Alabama — Prefix UFT covers PPO, HMO, and POS plans in Alabama.
health_and_safety Anthem BCBS of New Hampshire — Prefixes include UFR and UFS, covering PPO, EPO, and Medicare Advantage plans in New Hampshire.
health_and_safety BCBS of Georgia — Prefix URJ covers PPO, HMO, and Medicaid plans in Georgia.

These companies represent a portion of the independent BCBS licensees with prefixes in the UAA to UZZ range. Each company operates within specific states and offers a variety of plan types. Medical billers should consult the full BCBS prefix directory for a complete list of assignments within this range.

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How to Read the BCBS UAA to UZZ Prefix Table?

Reading the BCBS UAA to UZZ prefix table follows a systematic approach for accurate claims processing. The UAA to UZZ prefix table identifies the correct Blue Cross Blue Shield plan based on the prefix found on a patient's insurance card.

1 Locate the Prefix

Identify the three-character prefix on the patient's insurance card. The BCBS prefix checker is the first set of letters in the member ID.

2 Match the Prefix

Scan the 'Prefix' column in the UAA to UZZ table to find the exact three-letter code. The table is organized alphabetically for navigation.

3 Identify Plan Details

After locating the prefix, read across the row to gather details about the BCBS Home Plan Name, the State of origin, and the Plan Type (such as PPO, HMO, EPO, or POS). The plan details determine the coverage rules and network.

4 Verify Claims Information

Note the Claims Phone Number provided in the table. The claims phone number verifies details and confirms that claims are submitted to the correct payer following the appropriate billing protocols.

How to Look Up a Specific BCBS Prefix in the UAA to UZZ Range?

Looking up a BCBS prefix in the UAA to UZZ range supports accurate claims processing. The following steps guide proper identification and submission.

1 Locate the Prefix on the Insurance Card

The BCBS prefix identifier is a three-character code found on the front of the patient's BCBS insurance card. The prefix code identifies the home plan and state.

2 Match the Prefix to the Reference Table

Use a BCBS prefix lookup directory to find the exact prefix. The directory provides details such as the BCBS home plan name, state, and plan type (e.g., PPO, HMO).

3 Identify the Home Plan and State

After matching the prefix, note the BCBS company and the state the plan serves. The home plan and state information directs claims routing.

4 Verify with the BCBS Contact Number

Before submitting claims, contact the claims phone number listed in the prefix table. Contacting the claims department confirms the patient's eligibility and coverage details.

5 Submit the Claim to the Correct Address

Use the verified information to route the claim to the appropriate BCBS company's processing address or electronic payer ID. All claim forms should reference the correct prefix and member ID to avoid denials.

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How to Verify the BCBS Home Plan Using the Three-Character Prefix?

1 Locate the Prefix on the Member's ID Card

The prefix is the first three alphabetic characters on the member's BCBS insurance card. It maps directly to a BCBS company and state.

2 Match Against the BCBS Prefix Directory

Access the BCBS prefix lookup table and find the matching three-character code. Confirm the home plan name, state, and plan type listed for that prefix.

3 Contact the BCBS Plan for Verification

Use the claims phone number listed for that prefix to contact the BCBS plan directly. Confirm member eligibility, benefits, and claims submission requirements.

4 Document and Proceed

Accurate prefix verification prevents claims from being submitted to the wrong BCBS entity and reduces processing delays. Record the verification details for audit purposes.

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What to Do When the UAA to UZZ Prefix Is Not in the Table?

When a BCBS prefix in the UAA to UZZ range is not listed in the assignment table, the prefix may be unallocated, recently reassigned, or not yet added to the reference directory. Medical billers should first verify the prefix by checking the BCBS Plan Finder tool on the Blue Cross Blue Shield Association website. The Plan Finder provides the most current prefix assignments and associated plan details. If the prefix is still not found, billers should contact the BCBS Association's provider support line or the local BCBS plan for assistance.

Submitting claims with an unverified or missing prefix can result in claim rejections, payment delays, or misdirected claims. Billers should document the verification steps taken and note any discrepancies between the prefix on the member's card and the available directories. If the prefix is confirmed as unallocated, the biller should request updated insurance information from the patient and verify the correct BCBS home plan before resubmitting the claim.

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BCBS UAA to UZZ Prefix Phone Numbers and Claims Filing Contacts

Each BCBS prefix in the UAA to UZZ range is associated with a claims phone number that connects providers and medical billers to the appropriate BCBS plan's claims department. The claims phone number is used to verify member eligibility, confirm plan details, obtain prior authorizations, and resolve claims issues. The phone numbers listed in the prefix tables are specific to the BCBS home plan identified by the prefix.

For example, the UAA prefix for BCBS of Michigan lists (800) 482-3276, while the URA prefix for Anthem BCBS lists (800) 331-1475. Billers should use the claims phone number associated with the specific prefix rather than a general BCBS number, as each independent BCBS licensee maintains its own claims processing operations and provider support lines.

Some prefixes in the UAA to UZZ range may not have a listed phone number. For these prefixes, billers should use the BCBS Plan Finder or contact the BCBS Association to obtain the correct claims filing contact. Keeping an updated record of claims phone numbers for frequently encountered prefixes improves billing efficiency and reduces the time spent on claim follow-up.

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Claims Filing Addresses for UAA to UZZ BCBS Prefixes

Claims filing addresses for the UAA to UZZ BCBS prefixes vary by the BCBS home plan associated with each prefix. Each independent BCBS licensee maintains its own claims processing address for paper claims and an electronic payer ID for electronic claims submissions. Medical billers must match the prefix on the member's insurance card to the correct BCBS home plan and use the corresponding claims filing address to submit claims. Using the wrong filing address results in claim rejections or significant processing delays.

Electronic claims submission is the preferred method for most BCBS plans, using the payer ID associated with the home plan. Billers should verify the payer ID through the BCBS prefix directory or by contacting the claims phone number listed for the prefix. For paper claims, the mailing address is specific to the BCBS company and may differ based on the claim type (professional vs. institutional). Providers should consult the BCBS home plan's provider manual or website for the most current claims filing addresses and submission requirements.

BCBS Plan Types Identified by UAA to UZZ Prefixes

The UAA to UZZ BCBS prefix range includes multiple plan types offered by Blue Cross Blue Shield companies. Each prefix identifies not only the home plan and state but also the type of insurance plan, which determines the network rules, coverage guidelines, and claims processing requirements.

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HMO (Health Maintenance Organization)

HMO plans in the UAA to UZZ prefix range require members to use in-network providers and obtain referrals from a primary care physician (PCP) for specialist care. HMO plans typically have lower premiums and out-of-pocket costs compared to PPO plans. Claims for HMO plans must be submitted to in-network providers, and services rendered by out-of-network providers are generally not covered except in emergencies. Billers must confirm that the referring PCP and the specialist are both in-network for the HMO plan.

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PPO (Preferred Provider Organization)

PPO plans identified by UAA to UZZ prefixes allow members to visit both in-network and out-of-network providers. In-network providers offer lower out-of-pocket costs, while out-of-network providers are covered at a reduced rate. PPO plans do not require referrals for specialist visits. Medical billers processing claims for PPO plans should verify whether the provider is in-network or out-of-network to apply the correct benefits and reimbursement rates.

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EPO (Exclusive Provider Organization)

EPO plans identified by UAA to UZZ prefixes require members to use in-network providers but do not require referrals for specialist visits. EPO plans combine elements of PPO and HMO plans by restricting coverage to in-network providers while eliminating the referral requirement. Out-of-network services are not covered except in emergencies. Billers must verify that the provider is in-network for the specific EPO plan before submitting claims.

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POS (Point of Service)

POS plans in the UAA to UZZ prefix range combine features of HMO and PPO plans. Members choose a primary care physician and can receive referrals to see specialists either in-network or out-of-network. In-network care is covered at a higher rate, while out-of-network care requires higher out-of-pocket costs. POS plans offer flexibility in provider choice while maintaining the structure of a managed care plan. Billers should verify referral requirements and network status when processing POS plan claims.

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HDHP (High Deductible Health Plan)

HDHP plans in the UAA to UZZ prefix range feature higher deductibles and lower monthly premiums. Members often pair HDHP plans with Health Savings Accounts (HSAs) to cover out-of-pocket costs. HDHP plans require members to pay more upfront before insurance coverage begins. Billers should verify the deductible status and confirm whether the patient has met the annual deductible threshold before processing claims.

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Traditional Indemnity

Traditional Indemnity plans in the UAA to UZZ prefix range allow members to visit any healthcare provider without network restrictions. Members pay for services and submit claims for reimbursement at a set percentage. Indemnity plans offer maximum flexibility in provider choice but typically require higher out-of-pocket costs and more paperwork compared to managed care plans. Billers should follow the specific reimbursement guidelines for each indemnity plan.

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Medicare Advantage and Medicaid Managed Care

Some prefixes in the UAA to UZZ range identify Medicare Advantage or Medicaid managed care plans administered by BCBS companies. Medicare Advantage plans provide Part A and Part B benefits through a private BCBS insurer, often with additional benefits such as dental or vision coverage. Medicaid managed care plans offer state Medicaid benefits through a BCBS-administered network. Billers must verify whether the member's plan is a Medicare Advantage or Medicaid product, as billing requirements, prior authorization rules, and reimbursement rates differ from commercial plans.

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Example Plan Types by Prefix

chevron_right UAA (BCBS of Michigan) — PPO and HMO plans serving Michigan residents with claims processed through BCBS of Michigan at (800) 482-3276.
chevron_right URA (Anthem BCBS) — PPO, HMO, and EPO plans serving multiple states with claims processed through Anthem BCBS at (800) 331-1475.
chevron_right UFY (Wellmark BCBS) — PPO, HMO, POS, and Medicare Advantage plans serving Iowa and South Dakota residents with claims processed through Wellmark BCBS at (800) 524-9242.

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How the Third Character in the Prefix Identifies the Plan Type?

The third character in a BCBS alpha prefix can provide additional information about the plan type or the specific product line within a BCBS company. While the BCBS prefix system primarily identifies the home plan and state, the third character may indicate whether the plan is a PPO, HMO, EPO, or a specialized product such as Medicare Advantage or a Federal Employee Program (FEP) plan. However, the third character's meaning is not standardized across all BCBS licensees, and its interpretation varies by company. Medical billers should not rely solely on the third character to determine the plan type. Instead, billers should verify the plan type by consulting the prefix directory, checking the member's insurance card, and confirming with the BCBS home plan's claims department.

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States and BCBS Companies Covered in the UAA to UZZ Prefix Range

The UAA to UZZ BCBS prefix range covers BCBS plans from multiple states across the United States. The following states are represented in the UAA to UZZ prefix range:

location_on Alabama — BCBS of Alabama (UFT)
location_on Alaska — Premera BCBS of Alaska (UCB, UDA, ULD)
location_on California — Blue Cross of California (UAP, UZI), Blue Shield of California (UAQ, UCY, UOT, UXN, UZD), Anthem Blue Cross (URE)
location_on Colorado — Anthem BCBS of Colorado (ULA)
location_on Georgia — BCBS of Georgia (URJ)
location_on Idaho — Blue Cross of Idaho (UFQ, UMB)
location_on Illinois — BCBS of Illinois (UFW, URG, UXJ, UXM)
location_on Iowa/South Dakota — Wellmark BCBS (UFY, UPN, UPS, URH, UZH)
location_on Maryland/DC/N. Virginia — CareFirst BCBS (URC)
location_on Massachusetts — BCBS of Massachusetts (UMA)
location_on Michigan — BCBS of Michigan (UAA, UAO, UCC, UFP, UFX, URB, UZG, UZY)
location_on Minnesota — BCBS of Minnesota (UFV, UMC)
location_on New Hampshire — Anthem BCBS of New Hampshire (UFR, UFS)
location_on New Jersey — Horizon BCBS of New Jersey (UAN, URI, UXI)
location_on New York — Empire BCBS (URD), BCBS of Western New York (UCZ, UPQ), Blue Shield of NE New York (UPO)
location_on Ohio — Anthem BCBS of Ohio (UCA, UCX, ULB, ULC)
location_on Oregon/Idaho/Utah/Washington — Regence BCBS (UOU, USB)
location_on Pennsylvania — Highmark BCBS of Pennsylvania (UAM, UFZ, UMD, UPR, USC, UXK, UXL, UZE)
location_on South Carolina — BCBS of South Carolina (UME, USF)
location_on Tennessee — BCBS of Tennessee (UCW, UFU)
location_on Texas — BCBS of Texas (UCE, UPP, URF, USE, UZZ)
location_on Virginia — Anthem BCBS of Virginia (USG)

The distribution of prefixes across states and companies reflects the decentralized structure of the BCBS system. No single BCBS entity controls the entire prefix range. Instead, each licensee is assigned specific prefixes to identify its members and plans. Medical billers should use the prefix on the member's ID card as the primary identifier for determining which BCBS company and state to contact for claims processing and eligibility verification.

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How to Use UAA to UZZ Prefixes for Insurance Eligibility Verification?

Using BCBS alpha prefixes in the UAA to UZZ range for insurance eligibility verification follows a structured process. The UAA to UZZ prefix verification confirms patient coverage before healthcare services are rendered.

1 Obtain the Patient's Insurance Card

Request the patient's BCBS insurance card at check-in. The card displays the member ID, which begins with the three-character alpha prefix. Copy the prefix and full member ID accurately for verification purposes.

2 Identify the BCBS Home Plan Using the Prefix

Use the UAA to UZZ prefix lookup table to match the prefix to the corresponding BCBS home plan and state. The home plan identification determines which BCBS entity to contact for eligibility verification.

3 Contact the Claims Phone Number

Call the claims phone number listed in the prefix table for the identified home plan. Provide the member ID and prefix to the representative to verify the patient's eligibility, coverage status, and benefits.

4 Confirm Plan Type and Network Status

During the verification call, confirm the plan type (PPO, HMO, EPO, POS, HDHP, Traditional Indemnity, Medicare Advantage, or Medicaid) and whether the provider is in-network for the patient's plan. Network status affects coverage levels and reimbursement rates.

5 Document the Verification Results

Record the verification reference number, the representative's name, and the confirmed coverage details. Documentation supports claim submission and provides evidence of eligibility verification in case of disputes or audits.

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How to Route Claims Using the UAA to UZZ BCBS Prefix?

Routing claims using the UAA to UZZ BCBS prefix follows a systematic approach for accurate processing.

1 Read the Prefix from the Member ID Card — Identify the three-character alpha prefix at the beginning of the member's ID number on their BCBS insurance card. The prefix is the key routing identifier for all BCBS claims.
2 Look Up the Prefix in the UAA to UZZ Table — Find the prefix in the assignment table to identify the BCBS home plan, state, plan type, and claims phone number. This information determines where the claim should be routed.
3 Determine the Correct Payer ID or Filing Address — Based on the home plan identified, obtain the correct electronic payer ID for electronic claims or the mailing address for paper claims. The payer ID and filing address are specific to the BCBS home plan associated with the prefix.
4 Submit the Claim with the Correct Prefix and Member ID — Submit the claim using the full member ID (including the three-character prefix) to the identified payer. Ensure the claim form references the correct prefix, as an incorrect or missing prefix will result in claim rejection or misdirection to the wrong BCBS plan.

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Common Questions

What Are BCBS Prefixes?

BCBS prefixes are three-character alphabetic codes that appear at the beginning of a Blue Cross Blue Shield member's insurance ID number. Each prefix identifies the BCBS home plan (the specific BCBS company that issued the insurance), the state where the plan is based, and the general plan type. The prefix system enables medical billers and healthcare providers to quickly identify which BCBS entity is responsible for processing claims and verifying member eligibility. The BCBS Association assigns prefixes to its independent licensees, and the complete prefix directory spans from AAA through ZZZ.

How Do You Identify a Blue Prefix?

The Blue prefix on an insurance card is the first three alphabetic characters of the member ID number, located on the front of the BCBS insurance card. The prefix is always composed of three letters (no numbers) and is followed by additional alphanumeric characters that form the complete member ID. To identify the prefix, look at the member ID field and isolate the first three letters. These three letters are the BCBS alpha prefix that maps to a specific home plan, state, and claims routing destination.

Does UAA to UZZ Include Alphanumeric?

The UAA to UZZ prefix range consists exclusively of three-letter alphabetic codes. BCBS alpha prefixes are composed of letters only and do not include numbers. However, the broader BCBS identification system may include alphanumeric characters in the full member ID that follows the three-letter prefix. The prefix itself, within the UAA to UZZ range, is strictly alphabetic. If a member's ID card appears to have numbers in the first three characters, it may indicate a non-standard card format or a different insurance system.

Are There Rules for Assigning?

The Blue Cross Blue Shield Association assigns alpha prefixes to its independent licensees according to internal assignment rules. The first character of the prefix often corresponds to a geographic region or a specific BCBS company, but this pattern is not universally consistent. Some BCBS companies hold multiple prefixes to distinguish between different plan types, product lines, or geographic sub-regions. Prefixes may be reassigned or retired as BCBS companies merge, restructure, or expand their product offerings. The assignment rules are managed by the BCBS Association, and the complete prefix directory is the authoritative source for current assignments.

Can a Prefix Belong to Multiple States?

A BCBS prefix in the UAA to UZZ range can be associated with a BCBS company that operates across multiple states. For example, the URA prefix is assigned to Anthem Blue Cross Blue Shield, which operates in several states. In such cases, the prefix identifies the parent BCBS company rather than a single state. However, each prefix is assigned to one BCBS licensee, even if that licensee serves multiple states. Medical billers should verify the specific state and plan details by consulting the prefix directory or contacting the BCBS company associated with the prefix to determine the correct claims routing and eligibility information.

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Disclaimer

The information provided on this page is for educational and reference purposes only. This content is not affiliated with, endorsed by, or officially connected to the Blue Cross Blue Shield Association or any of its independent licensees. BCBS prefix assignments, plan details, claims phone numbers, and filing addresses are subject to change without notice. Medical billers and healthcare providers should verify all BCBS prefix list information against the official BCBS Plan Finder and contact the appropriate BCBS plan directly before submitting claims. This resource should not be used as the sole basis for claims submission or eligibility verification. Always cross-reference with current, authoritative sources.