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BCBS Alpha Prefix TAA to TZZ

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

The TAA to TZZ prefix range maps each prefix to a BCBS company and state, enabling precise claims filing. TAA corresponds to Highmark BCBS of Pennsylvania, while TAB is linked to Anthem Blue Cross of California. The TAA to TZZ prefix mapping determines the correct claims submission address or phone number, preventing delays in processing. The TAA to TZZ 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 TAA to TEZ Assignment Table

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

Prefix BCBS Home Plan Name State Plan Type Claims Phone Number
TAA Highmark BCBS of Pennsylvania Pennsylvania HMO, EPO, Medicare Advantage (800) 541-1524
TAB Anthem Blue Cross California PPO, Traditional Indemnity, HDHP (800) 288-9294
TAC Blue Cross of Idaho Idaho Medicaid, POS, PPO (800) 627-1183
TAE Anthem BCBS of Colorado Colorado HDHP, Medicare Advantage, EPO (800) 424-5725
TAF BCBS of Illinois Illinois Traditional Indemnity, HMO, POS (800) 233-1474
TEG CareFirst BCBS Multiple States PPO, HMO (800) 692-7459
TEH Blue Shield of California California PPO, HMO (800) 676-2583
TEI Anthem BCBS of Ohio Ohio PPO, HMO (800) 331-1475
TEJ Blue Shield of NE New York New York PPO, HMO (800) 499-1275
TEK BCBS of Illinois Illinois PPO, HMO (800) 233-1474
TEM Blue Shield of California California PPO, HMO (800) 676-2583
TEN BCBS of Illinois Illinois PPO, HMO (800) 233-1474
TEP BCBS of Illinois Illinois PPO, HMO (800) 233-1474
TEQ BCBS of Alabama Alabama PPO, HMO (800) 292-6662
TER CareFirst BCBS Multiple States PPO, HMO (800) 692-7459
TES Blue Shield of California California PPO, HMO (800) 676-2583
TEZ BCBS of Texas Texas PPO, HMO (800) 521-9628

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

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BCBS Prefix TXB BCBS of Texas

The BCBS prefix TXB is assigned to Blue Cross Blue Shield of Texas (BCBSTX). The TXB prefix serves as a primary identifier for members enrolled in BCBSTX plans. BCBSTX plans under the TXB prefix include Preferred Provider Organization (PPO), Health Maintenance Organization (HMO), and Point of Service (POS). The TXB prefix appears on member insurance cards, directing healthcare providers to route claims to the Texas-based BCBS entity.

When processing claims for members with the TXB prefix, medical billers must verify the plan type indicated on the insurance card. Plan type verification directs claims to the BCBS of Texas processing center, reducing the risk of claim rejections and expediting reimbursement timelines. BCBS of Texas may offer Medicare Advantage and Medicaid managed care services under related prefixes, providing coverage options for residents of Texas.

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BCBS Prefix TFA to TKZ Assignment Table

The BCBS Prefix TFA to TKZ Assignment Table lists the Blue Cross Blue Shield alpha prefixes between TFA and TKZ. The TFA to TKZ 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
TFA Anthem BCBS of Ohio Ohio PPO, HMO (800) 331-1475
TFB BCBS of Michigan Michigan PPO, HMO (800) 482-3276
TFC BCBS of Illinois Illinois PPO, HMO (800) 233-1474
TFD Anthem BCBS of Virginia Virginia PPO, HMO (800) 331-1475
TFE BCBS of Texas Texas PPO, HMO (800) 521-9628
TFF BCBS of Tennessee Tennessee PPO, HMO (800) 467-2954
TFG Blue Shield of California California PPO, HMO (800) 676-2583
TFH Wellmark BCBS Iowa/South Dakota PPO, HMO (800) 524-9242
TGA Anthem BCBS of Georgia Georgia PPO, HMO (800) 772-1139
TGB BCBS of Minnesota Minnesota PPO, HMO (800) 292-9371
TGC Independence Blue Cross Pennsylvania PPO, HMO (800) 275-2583
TGD BCBS of Kansas City Kansas City PPO, HMO (816) 395-2222
THA BCBS of Massachusetts Massachusetts PPO, HMO (800) 262-0820
THB BCBS of Nebraska Nebraska PPO, HMO (800) 432-3990
TKA Anthem BCBS of Indiana Indiana PPO, HMO (800) 533-2583
TKB Florida Blue Florida PPO, HMO (800) 352-2583

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

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BCBS Prefix TLA to TPZ Assignment Table

The BCBS Alpha Prefix TLA to TPZ Assignment Table provides information for medical billing and claims processing. The TLA to TPZ 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
TLA BCBS of Alabama Alabama PPO, HMO, POS (800) 292-6662
TLB BCBS of Illinois Illinois PPO, HMO (800) 233-1474
TLC BCBS of Michigan Michigan PPO, HMO (800) 482-3276
TLD BCBS of Texas Texas PPO, HMO (800) 521-9628
TLE Florida Blue Florida PPO, HMO (800) 352-2583
TLF Anthem BCBS of Virginia Virginia PPO, HMO, EPO (800) 331-1475
TLG Anthem BCBS of Indiana Indiana PPO, HMO (800) 533-2583
TLH BCBS of Minnesota Minnesota PPO, HMO (800) 292-9371
TLI Anthem BCBS of Wisconsin Wisconsin PPO, HMO (800) 331-1475
TLJ CareFirst BCBS Maryland/DC/N. Virginia PPO, HMO (800) 692-7459
TMA BCBS of Massachusetts Massachusetts PPO, HMO (800) 262-0820
TMB Highmark BCBS of Pennsylvania Pennsylvania PPO, HMO (800) 541-1524
TMC Premera BCBS of Alaska Alaska PPO, HMO (800) 508-4722
TNA BCBS of Tennessee Tennessee PPO, HMO (800) 467-2954
TNB Anthem BCBS of Connecticut Connecticut PPO, HMO (800) 424-8730
TPA Capital Blue Cross Pennsylvania PPO, HMO (800) 962-2242

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

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BCBS Prefix TRA to TZZ Assignment Table

The BCBS prefix range from TRA to TZZ covers Blue Cross Blue Shield plans across multiple states. The TRA to TZZ 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
TRA BCBS of Illinois Illinois PPO, HMO (800) 233-1474
TRB BCBS of Illinois Illinois PPO, HMO (800) 233-1474
TRC BCBS of Illinois Illinois PPO, HMO (800) 233-1474
TRD Anthem BCBS of Wisconsin Wisconsin PPO, HMO (800) 331-1475
TRE BCBS of Arizona Arizona PPO, HMO (800) 352-2583
TRF BCBS of Michigan Michigan PPO, HMO (800) 482-3276
TRG Premera Blue Cross Alaska PPO, HMO (800) 508-4722
TRH Anthem BCBS of Virginia Virginia PPO, HMO (800) 331-1475
TRI Capital Blue Cross Pennsylvania PPO, HMO (800) 962-2242
TRJ Anthem Blue Cross California PPO, HMO (800) 288-9294
TRK BCBS of Illinois Illinois PPO, HMO (800) 233-1474
TRL BCBS of Massachusetts Massachusetts PPO, HMO (800) 262-0820
TRM Blue Shield of California California PPO, HMO (800) 676-2583
TRN Anthem BCBS of Connecticut Connecticut PPO, HMO (800) 424-8730
TRO CareFirst BCBS Maryland/DC/N. Virginia PPO, HMO (800) 692-7459
TRP BCBS of Minnesota Minnesota PPO, HMO (800) 292-9371
TRQ Independence Blue Cross Pennsylvania PPO, HMO (800) 275-2583
TRR Wellmark BCBS Iowa/South Dakota PPO, HMO (800) 524-9242
TRS BCBS of Kansas City Kansas City PPO, HMO (816) 395-2222
TRT BCBS of Alabama Alabama PPO, HMO (800) 292-6662
TRU Blue Cross of Idaho Idaho PPO, HMO (800) 627-1183
TRV BCBS of Nebraska Nebraska PPO, HMO (800) 432-3990
TRW BCBS of Illinois Illinois PPO, HMO (800) 233-1474
TRX Independence Blue Cross Pennsylvania PPO, HMO (800) 275-2583
TRY BCBS of Minnesota Minnesota PPO, HMO (800) 292-9371
TRZ Highmark BCBS Pennsylvania PPO, HMO (800) 541-1524
TSA BCBS of Texas Texas PPO, HMO (800) 521-9628
TSB BCBS of Minnesota Minnesota PPO, HMO (800) 292-9371
TSC Wellmark BCBS Iowa/South Dakota PPO, HMO (800) 524-9242
TSD Wellmark BCBS Iowa/South Dakota PPO, HMO (800) 524-9242
TSE Anthem BCBS of Georgia Georgia PPO, HMO (800) 772-1139
TSF BCBS of Kansas City Kansas City PPO, HMO (816) 395-2222
TSG Wellmark BCBS Iowa/South Dakota PPO, HMO (800) 524-9242
TSH Blue Cross of Idaho Idaho PPO, HMO (800) 627-1183
TSI BCBS of Illinois Illinois PPO, HMO (800) 233-1474
TSJ Anthem BCBS of Connecticut Connecticut PPO, HMO (800) 424-8730
TSK Anthem BCBS of Virginia Virginia PPO, HMO (800) 331-1475
TSL BCBS of Nebraska Nebraska PPO, HMO (800) 432-3990
TSM Highmark BCBS Pennsylvania PPO, HMO (800) 541-1524
TSN Anthem BCBS of Georgia Georgia PPO, HMO (800) 772-1139
TSO BCBS of Tennessee Tennessee PPO, HMO (800) 467-2954
TSP Wellmark BCBS Iowa/South Dakota PPO, HMO (800) 524-9242
TSQ Wellmark BCBS Iowa/South Dakota PPO, HMO (800) 524-9242
TSR Highmark BCBS Pennsylvania PPO, HMO (800) 541-1524
TSS Anthem BCBS of Ohio Ohio PPO, HMO (800) 331-1475
TST Premera BCBS of Alaska Alaska PPO, HMO (800) 508-4722
TSU Premera BCBS of Alaska Alaska PPO, HMO (800) 508-4722
TSV Wellmark BCBS Iowa/South Dakota PPO, HMO (800) 524-9242
TSW Anthem BCBS of Georgia Georgia PPO, HMO (800) 772-1139
TSX Anthem BCBS of Ohio Ohio PPO, HMO (800) 331-1475
TSY Anthem Blue Cross California PPO, HMO (800) 288-9294
TSZ BCBS of Texas Texas PPO, HMO (800) 521-9628
TTA Blue Cross of Idaho Idaho PPO, HMO (800) 627-1183
TTB BCBS of Texas Texas PPO, HMO (800) 521-9628
TTC Anthem BCBS of Ohio Ohio PPO, HMO (800) 331-1475
TTD Wellmark BCBS Iowa/South Dakota PPO, HMO (800) 524-9242
TTE Wellmark BCBS Iowa/South Dakota PPO, HMO (800) 524-9242
TTF BCBS of Texas Texas PPO, HMO (800) 521-9628
TTG Anthem BCBS of Ohio Ohio PPO, HMO (800) 331-1475
TTH CareFirst BCBS Maryland/DC/N. Virginia PPO, HMO (800) 692-7459
TTI BCBS of Alabama Alabama PPO, HMO (800) 292-6662
TTJ Florida Blue Florida PPO, HMO (800) 352-2583
TTK BCBS of Arizona Arizona PPO, HMO (800) 352-2583
TTL Anthem BCBS of Indiana Indiana PPO, HMO (800) 533-2583
TTM Anthem BCBS of Ohio Ohio PPO, HMO (800) 331-1475
TTN Anthem BCBS of Ohio Ohio PPO, HMO (800) 331-1475
TTO BCBS of Tennessee Tennessee PPO, HMO (800) 467-2954
TTP CareFirst BCBS Maryland/DC/N. Virginia PPO, HMO (800) 692-7459
TTQ Anthem Blue Cross California PPO, HMO (800) 288-9294
TTR BCBS of Texas Texas PPO, HMO (800) 521-9628
TTS BCBS of Tennessee Tennessee PPO, HMO (800) 467-2954
TXB BCBS of Texas Texas PPO, HMO, POS (800) 521-9628

The TRA to TZZ 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 TAA to TZZ?

The BCBS alpha prefixes from TAA to TZZ are three-character codes assigned to Blue Cross Blue Shield insurance plans. Each prefix in the TAA to TZZ range identifies the BCBS home plan, the state of origin, and the plan type (such as PPO, HMO, EPO, or POS). The TAA to TZZ 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 TAA to TZZ 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 TXB for BCBS of Texas or TSO for BlueCross BlueShield of Tennessee. The prefix system standardizes the identification of BCBS plans for claims processing and provider services.

Not all prefixes in the TAA to TZZ 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 TAA to TZZ Range?

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

  • health_and_safety Blue Cross Blue Shield of Texas — Prefixes include TXB, TEZ, TSA, TSZ, TTB, and TTF, covering PPO, HMO, and POS plans in Texas.
  • health_and_safety BlueCross BlueShield of Tennessee — Prefixes include TSO, TTO, and TTS, covering PPO and HMO plans in Tennessee.
  • health_and_safety Anthem Blue Cross Blue Shield — Anthem operates across multiple states with prefixes such as TAB (California), TAE (Colorado), TEI (Ohio), TRD (Wisconsin), TRH (Virginia), and TRN (Connecticut).
  • health_and_safety Blue Shield of California — Prefixes include TEH, TEM, TES, and TRM, covering PPO and HMO plans in California.
  • health_and_safety Wellmark BlueCross BlueShield — Prefixes include TRR, TSC, TSD, TSG, TSP, TSQ, TSV, TTD, and TTE, covering PPO and HMO plans in Iowa and South Dakota.

These companies represent a portion of the independent BCBS licensees with prefixes in the TAA to TZZ 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 TAA to TZZ Prefix Table?

Reading the BCBS TAA to TZZ prefix table follows a systematic approach for accurate claims processing. The TAA to TZZ 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 three-character prefix is the first set of letters in the member ID.
2 Match the Prefix
Scan the 'Prefix' column in the TAA to TZZ 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.
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How to Look Up a Specific BCBS Prefix in the TAA to TZZ Range?

Looking up a BCBS prefix in the TAA to TZZ 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?

Verifying the BCBS home plan using the three-character prefix requires a systematic approach to ensure claims are routed correctly.

1 Locate the Prefix on the Member ID Card
The prefix is the first three alphabetic characters on the member's BCBS insurance card. Isolate these three letters from the full member ID number to begin verification.
2 Cross-Reference with the Prefix Directory
Match the three-character prefix against the BCBS prefix directory or lookup table. Confirm the home plan name, state, and plan type associated with that prefix.
3 Contact the Claims Phone Number
Use the claims phone number listed for that prefix to contact the BCBS plan directly. Verify the member's eligibility, coverage status, and any specific billing requirements.
4 Document the Verification
Record the verification reference number, representative name, and confirmed plan details. Accurate prefix verification prevents claims from being submitted to the wrong BCBS entity and reduces processing delays.
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What to Do When the TAA to TZZ Prefix Is Not in the Table?

When a BCBS prefix in the TAA to TZZ 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 TAA to TZZ Prefix Phone Numbers and Claims Filing Contacts

Each BCBS prefix in the TAA to TZZ 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 TXB prefix for BCBS of Texas lists (800) 521-9628, while the TSO prefix for BlueCross BlueShield of Tennessee lists (800) 467-2954. 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 TAA to TZZ 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 TAA to TZZ BCBS Prefixes

Claims filing addresses for the TAA to TZZ 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.

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BCBS Plan Types Identified by TAA to TZZ Prefixes

The TAA to TZZ 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 TAA to TZZ 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 TAA to TZZ 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 TAA to TZZ 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 TAA to TZZ 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 TAA to TZZ range feature higher deductibles and lower monthly premiums. Members must meet the deductible before the plan covers most services. HDHPs are often paired with Health Savings Accounts (HSAs) that allow tax-advantaged savings for medical expenses. Billers should verify the deductible status and confirm whether the member has met their annual deductible before processing claims.

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Traditional Indemnity

Traditional indemnity plans in the TAA to TZZ range allow members to visit any healthcare provider without network restrictions. The plan reimburses a percentage of the allowed amount for covered services. Members may need to pay upfront and submit claims for reimbursement. Billers should verify the allowed amounts and reimbursement percentages when processing claims for traditional indemnity plans.

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Medicare Advantage and Medicaid

Some TAA to TZZ prefixes identify Medicare Advantage or Medicaid managed care plans administered by BCBS companies. Medicare Advantage plans provide Medicare benefits through a BCBS network, while Medicaid plans offer coverage for eligible low-income individuals. Billers must verify whether the prefix indicates a government-sponsored plan and follow the specific billing requirements for Medicare or Medicaid claims, including appropriate use of coordination of benefits.

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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 TAA to TZZ Prefix Range

The TAA to TZZ BCBS prefix range covers BCBS plans from multiple states across the United States. States represented in this range include:

  • location_on Alabama — BCBS of Alabama at (800) 292-6662
  • location_on Alaska — Premera BCBS of Alaska at (800) 508-4722
  • location_on Arizona — BCBS of Arizona at (800) 352-2583
  • location_on California — Anthem Blue Cross at (800) 288-9294 and Blue Shield of California at (800) 676-2583
  • location_on Colorado — Anthem BCBS of Colorado at (800) 424-5725
  • location_on Connecticut — Anthem BCBS of Connecticut at (800) 424-8730
  • location_on Florida — Florida Blue at (800) 352-2583
  • location_on Georgia — Anthem BCBS of Georgia at (800) 772-1139
  • location_on Idaho — Blue Cross of Idaho at (800) 627-1183
  • location_on Illinois — BCBS of Illinois at (800) 233-1474
  • location_on Indiana — Anthem BCBS of Indiana at (800) 533-2583
  • location_on Iowa/South Dakota — Wellmark BCBS at (800) 524-9242
  • location_on Kansas City — BCBS of Kansas City at (816) 395-2222
  • location_on Maryland/DC/N. Virginia — CareFirst BCBS at (800) 692-7459
  • location_on Massachusetts — BCBS of Massachusetts at (800) 262-0820
  • location_on Michigan — BCBS of Michigan at (800) 482-3276
  • location_on Minnesota — BCBS of Minnesota at (800) 292-9371
  • location_on Nebraska — BCBS of Nebraska at (800) 432-3990
  • location_on New York — Blue Shield of NE New York at (800) 499-1275
  • location_on Ohio — Anthem BCBS of Ohio at (800) 331-1475
  • location_on Pennsylvania — Highmark BCBS at (800) 541-1524, Capital Blue Cross at (800) 962-2242, and Independence Blue Cross at (800) 275-2583
  • location_on Tennessee — BCBS of Tennessee at (800) 467-2954
  • location_on Texas — BCBS of Texas at (800) 521-9628
  • location_on Virginia — Anthem BCBS of Virginia at (800) 331-1475
  • location_on Wisconsin — Anthem BCBS of Wisconsin at (800) 331-1475
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Blue Cross Blue Shield of Texas Prefixes in the T Range

Blue Cross Blue Shield of Texas holds multiple prefixes within the TAA to TZZ range, including TXB, TEZ, TSA, TSZ, TTB, TTF, and TTR. Each prefix identifies a specific product line or plan category within BCBSTX. The TXB prefix is the most widely recognized identifier for BCBSTX, covering PPO, HMO, and POS plans. Additional prefixes such as TEZ and TSA provide further granularity for plan identification and claims routing.

Medical billers working with Texas-based BCBS prefixes should use the specific claims phone number associated with each prefix. While the numbers may route to the same BCBSTX claims department, using the correct prefix-specific number ensures that the call is directed to the appropriate team. BCBS of Texas's claims department can be reached at (800) 521-9628 for most Texas prefixes in the T range. Verifying the prefix before calling reduces hold times and improves claim resolution efficiency.

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BlueCross BlueShield of Tennessee Prefixes in the T Range

BlueCross BlueShield of Tennessee holds multiple prefixes within the TAA to TZZ range, including TSO, TTO, and TTS. Each prefix identifies a specific product line or plan category within BCBST. The TSO prefix is the most widely recognized identifier for BCBST within this range, covering PPO and HMO plans. Additional prefixes provide further granularity for plan identification and claims routing for Tennessee-based members.

Medical billers working with Tennessee-based BCBS prefixes should use the specific claims phone number associated with each prefix. BCBS of Tennessee's claims department can be reached at (800) 467-2954 for most Tennessee prefixes in the T range. Verifying the prefix before calling reduces hold times and improves claim resolution efficiency. BCBS of Tennessee may offer Medicare Advantage and Medicaid managed care services under related prefixes, providing coverage options for residents of Tennessee.

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How to Use TAA to TZZ Prefixes for Insurance Eligibility Verification?

Using BCBS alpha prefixes in the TAA to TZZ range for insurance eligibility verification follows a structured process. The TAA to TZZ 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 TAA to TZZ 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, 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 TAA to TZZ BCBS Prefix?

Routing claims using the TAA to TZZ BCBS prefix follows a systematic approach for accurate processing.

  1. 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. 2 Look Up the Prefix in the TAA to TZZ 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. 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. 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 TAA to TZZ Include Alphanumeric Prefixes?
The TAA to TZZ 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 TAA to TZZ 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 BCBS Prefixes?
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 TAA to TZZ range can be associated with a BCBS company that operates across multiple states. For example, the TEG prefix is assigned to CareFirst BCBS, which operates in Maryland, Washington D.C., and Northern Virginia. 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.