BCBS Alpha Prefix KAA to KZZ

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

The KAA to KZZ prefix range maps each prefix to a BCBS company and state, enabling precise claims filing. KSA corresponds to BCBS of Kansas, while KFA is linked to BCBS of Western New York. The KAA to KZZ prefix mapping determines the correct claims submission address or phone number, preventing delays in processing. The KAA to KZZ 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 KAA to KEZ Assignment Table

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

Prefix	BCBS Home Plan Name	State	Plan Type	Claims Phone Number
KAA	Anthem BCBS of Ohio	Ohio	PPO, HMO, EPO	(800) 331-1475
KAB	BCBS of Kansas City	Missouri/Kansas	PPO, HMO	(816) 395-2222
KAC	BCBS of Kansas	Kansas	PPO, HMO, POS	(800) 432-3990
KAD	BCBS of Michigan	Michigan	PPO, HMO	(800) 482-3276
KAE	Anthem BCBS of Indiana	Indiana	PPO, HMO, EPO	(800) 533-2583
KAF	BCBS of Illinois	Illinois	PPO, HMO	(800) 233-1474
KAG	BCBS of Texas	Texas	PPO, HMO	(800) 521-9628
KAH	BCBS of North Carolina	North Carolina	PPO, HMO	(800) 672-7897
KEB	Highmark BCBS	Pennsylvania	PPO, HMO	(800) 541-1524
KEC	Anthem BCBS of Virginia	Virginia	PPO, HMO, EPO	(800) 331-1475
KED	Anthem BCBS of Virginia	Virginia	PPO, HMO, EPO	(800) 331-1475
KEE	Anthem BCBS of Virginia	Virginia	PPO, HMO, EPO	(800) 331-1475
KEF	Anthem BCBS of Virginia	Virginia	PPO, HMO, EPO	(800) 331-1475
KEG	Anthem BCBS of Virginia	Virginia	PPO, HMO, EPO	(800) 331-1475
KEH	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO	(800) 692-7459
KEI	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO	(800) 692-7459
KEJ	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO	(800) 692-7459
KEK	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO	(800) 692-7459
KEL	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO	(800) 692-7459
KEM	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO	(800) 692-7459
KEN	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO	(800) 692-7459
KEO	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO	(800) 692-7459
KEP	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO	(800) 692-7459
KEQ	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO	(800) 692-7459
KER	Florida Blue	Florida	PPO, HMO	(800) 352-2583
KES	Florida Blue	Florida	PPO, HMO	(800) 352-2583
KET	Florida Blue	Florida	PPO, HMO	(800) 352-2583
KEU	Florida Blue	Florida	PPO, HMO	(800) 352-2583
KEV	Florida Blue	Florida	PPO, HMO	(800) 352-2583
KEW	Florida Blue	Florida	PPO, HMO	(800) 352-2583
KEX	Florida Blue	Florida	PPO, HMO	(800) 352-2583
KEY	Florida Blue	Florida	PPO, HMO	(800) 352-2583
KEZ	Wellmark BCBS	Iowa/South Dakota	PPO, HMO	(800) 524-9242

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

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BCBS Prefix KFA to KKZ Assignment Table

The BCBS Prefix KFA to KKZ Assignment Table lists the Blue Cross Blue Shield alpha prefixes between KFA and KKZ. The KFA to KKZ 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
KFA	BCBS of Western New York	New York (Western)	Medicaid, EPO, HDHP	(800) 854-1790
KFB	Regence BCBS	Oregon/Idaho/Utah/Washington	Medicare Advantage, Traditional Indemnity, HMO	(888) 248-2595
KFJ	Anthem BCBS of New Hampshire	New Hampshire	POS, PPO, Medicaid	(800) 331-1475
KFK	BCBS of Alabama	Alabama	EPO, HDHP, Traditional Indemnity	(800) 292-6662
KFL	BCBS of South Carolina	South Carolina	Medicare Advantage, HMO, POS	(800) 288-2227
KFM	Anthem BCBS of Georgia	Georgia	PPO, Medicaid, HDHP	(800) 772-1139
KFY	Premera BCBS of Alaska	Alaska	HDHP, Medicare Advantage, EPO	(800) 508-4722
KGA	Florida Blue	Florida	Medicaid, HDHP, Traditional Indemnity	(800) 352-2583
KGB	BCBS of South Carolina	South Carolina	PPO, Medicare Advantage, HMO	(800) 288-2227
KKA	BCBS of Alabama	Alabama	Medicare Advantage, EPO, HDHP	(800) 292-6662
KKB	Anthem BCBS of Georgia	Georgia	POS, PPO, Traditional Indemnity	(800) 772-1139
KKC	BCBS of Michigan	Michigan	HDHP, Medicaid, HMO	(800) 482-3276
KKD	Anthem BCBS of Georgia	Georgia	EPO, Medicare Advantage, PPO	(800) 772-1139
KKE	BCBS of Oklahoma	Oklahoma	Traditional Indemnity, POS, HDHP	(800) 942-5837
KKW	Anthem Blue Cross	California	EPO, PPO, HMO	(800) 288-9294
KKY	Premera Blue Cross	Washington	Medicare Advantage, POS, EPO	(800) 722-1471
KKZ	BCBS of Illinois	Illinois	HDHP, PPO, Traditional Indemnity	(800) 233-1474

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

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BCBS Prefix KLA to KPZ Assignment Table

The BCBS Alpha Prefix KLA to KPZ Assignment Table provides information for medical billing and claims processing. The KLA to KPZ 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
KLA-KLJ	BCBS of Alabama	Alabama	PPO, HMO, POS	(800) 292-6662
KLK	BCBS of Illinois	Illinois	PPO, HMO	(800) 233-1474
KLL	BCBS of Michigan	Michigan	PPO, HMO	(800) 482-3276
KLM	BCBS of Texas	Texas	PPO, HMO	(800) 521-9628
KLN	Florida Blue	Florida	PPO, HMO	(800) 352-2583
KLO	Anthem BCBS of Virginia	Virginia	PPO, HMO, EPO	(800) 331-1475
KLP	Anthem BCBS of Indiana	Indiana	PPO, HMO	(800) 533-2583
KLQ	BCBS of Minnesota	Minnesota	PPO, HMO	(800) 292-9371
KLR	Anthem BCBS of Wisconsin	Wisconsin	PPO, HMO	(800) 331-1475
KLS	CareFirst BCBS	Maryland/DC/N. Virginia	PPO, HMO	(800) 692-7459
KLT	BCBS of North Carolina	North Carolina	PPO, HMO	(800) 672-7897
KLU	Anthem BCBS of Virginia	Virginia	PPO, HMO	(800) 331-1475
KLV	BCBS of Vermont	Vermont	PPO, HMO	(800) 255-4550
KLW	Highmark BCBS of Pennsylvania	Pennsylvania	PPO, HMO	(800) 541-1524
KLX	Premera BCBS of Alaska	Alaska	PPO, HMO	(800) 508-4722
KLY	Regence BCBS	Oregon/Washington	PPO, HMO	(888) 248-2595

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

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BCBS Prefix KRA to KZZ Assignment Table

The BCBS prefix range from KRA to KZZ covers Blue Cross Blue Shield plans across multiple states. The KRA to KZZ 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
KRA	Anthem Blue Cross	California	Traditional Indemnity, Medicare Advantage, HDHP	(800) 288-9294
KRB	Empire BCBS	New York	POS, EPO, HMO	(800) 553-9603
KRC	Wellmark BCBS	Iowa/South Dakota	Medicaid, HDHP, PPO	(800) 524-9242
KRD	Wellmark BCBS	Iowa/South Dakota	Medicare Advantage, Traditional Indemnity, EPO	(800) 524-9242
KRE	Anthem BCBS of Ohio	Ohio	HDHP, HMO, POS	(800) 331-1475
KRF	BCBS of Illinois	Illinois	PPO, HMO, EPO	(800) 233-1474
KRG	CareFirst BCBS	Maryland	PPO, Traditional Indemnity	(800) 692-7459
KRH	Wellmark BCBS	Iowa/South Dakota	PPO, Medicaid, EPO	(800) 524-9242
KRI	BCBS of Michigan	Michigan	Traditional Indemnity, Medicare Advantage, HDHP	(800) 482-3276
KRJ	Wellmark BCBS	Iowa/South Dakota	POS, EPO, PPO	(800) 524-9242
KRK	BCBS of Massachusetts	Massachusetts	PPO, HMO	(800) 262-0820
KRL	Wellmark BCBS	Iowa/South Dakota	HDHP, Traditional Indemnity, Medicaid	(800) 524-9242
KRM	BCBS of Rhode Island	Rhode Island	Medicare Advantage, HMO, POS	(800) 639-2227
KRN	Anthem BCBS of Missouri	Missouri	PPO, HDHP, EPO	(800) 331-1475
KRO	Anthem BCBS of Ohio	Ohio	Medicaid, Traditional Indemnity, Medicare Advantage	(800) 331-1475
KRP	BCBS of Illinois	Illinois	HDHP, POS, HMO	(800) 233-1474
KRQ	BCBS of Tennessee	Tennessee	PPO, HMO	(800) 467-2954
KRR	BCBS of Illinois	Illinois	EPO, PPO, Traditional Indemnity	(800) 233-1474
KRS	Highmark BCBS	Pennsylvania	PPO, HMO	(800) 541-1524
KRT	Anthem BCBS of Ohio	Ohio	PPO, Traditional Indemnity, POS	(800) 331-1475
KRU	Anthem BCBS of Ohio	Ohio	Medicaid, HDHP, Medicare Advantage	(800) 331-1475
KRV	BCBS of Michigan	Michigan	PPO, HMO, EPO	(800) 482-3276
KRW	Anthem BCBS of Ohio	Ohio	Traditional Indemnity, HMO, POS	(800) 331-1475
KRX	Anthem BCBS of Wisconsin	Wisconsin	HDHP, PPO, EPO	(800) 331-1475
KRY	Wellmark BCBS	Iowa/South Dakota	PPO, HMO	(800) 524-9242
KRZ	Anthem Blue Cross	California	Medicaid, Medicare Advantage, Traditional Indemnity	(800) 288-9294
KSA	BCBS of Kansas	Kansas	POS, EPO, HDHP	(800) 432-3990

The KRA to KZZ 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 KAA to KZZ?

The BCBS alpha prefixes from KAA to KZZ are three-character codes assigned to Blue Cross Blue Shield insurance plans. Each prefix in the KAA to KZZ range identifies the BCBS home plan, the state of origin, and the plan type (such as PPO, HMO, EPO, or POS). The KAA to KZZ 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 KAA to KZZ 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 KSA for BCBS of Kansas or KRA for Anthem Blue Cross. The prefix system standardizes the identification of BCBS plans for claims processing and provider services.

Not all prefixes in the KAA to KZZ 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 KAA to KZZ Range?

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

health_and_safety BCBS of Kansas — Prefixes include KAC and KSA, covering PPO, HMO, POS, EPO, and HDHP plans in Kansas.
health_and_safety Anthem Blue Cross Blue Shield — Anthem operates across multiple states with prefixes such as KAA (Ohio), KAE (Indiana), KRE (Ohio), KRN (Missouri), KRT (Ohio), and KRX (Wisconsin).
health_and_safety Wellmark BCBS — Prefixes include KEZ, KRC, KRD, KRH, KRJ, KRL, and KRY, covering PPO, HMO, HDHP, Medicaid, and Medicare Advantage plans in Iowa and South Dakota.
health_and_safety BCBS of Illinois — Prefixes include KAF, KLK, KKZ, KRF, KRP, and KRR, covering PPO, HMO, EPO, HDHP, POS, and Traditional Indemnity plans in Illinois.
health_and_safety BCBS of Michigan — Prefixes include KAD, KLL, KKC, KRI, and KRV, covering PPO, HMO, EPO, HDHP, Medicaid, Traditional Indemnity, and Medicare Advantage plans in Michigan.

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

Reading the BCBS KAA to KZZ prefix table follows a systematic approach for accurate claims processing. The KAA to KZZ 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 search is the first set of letters in the member ID.

2 Match the Prefix

Scan the 'Prefix' column in the KAA to KZZ 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 KAA to KZZ Range?

Looking up a BCBS prefix in the KAA to KZZ 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 locating the prefix on the member's insurance ID card and matching it against the BCBS prefix directory. The prefix is the first three alphabetic characters on the card and maps directly to a BCBS company and state. To verify, billers should access the BCBS prefix lookup table, find the matching three-character code, and confirm the home plan name, state, and plan type. The claims phone number listed for that prefix can be used to contact the BCBS plan directly for additional verification, such as confirming member eligibility, benefits, and claims submission requirements. Accurate prefix verification prevents claims from being submitted to the wrong BCBS entity and reduces processing delays.

1 Locate the Prefix on the Member ID Card

Find the three-letter alpha prefix at the start of the member ID on the insurance card. This prefix is the primary routing identifier.

2 Search the Prefix Directory

Match the prefix against the KAA to KZZ lookup table to identify the BCBS home plan name, state, and plan type.

3 Confirm with the Claims Department

Call the claims phone number listed in the prefix table to verify member eligibility, benefits, and submission requirements with the BCBS plan.

4 Document the Verification

Record the verification reference number, representative name, and confirmed coverage details to support claims submission and audits.

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What to Do When the KAA to KZZ Prefix Is Not in the Table?

When a BCBS prefix in the KAA to KZZ 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 KAA to KZZ Prefix Phone Numbers and Claims Filing Contacts

Each BCBS prefix in the KAA to KZZ 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 KSA prefix for BCBS of Kansas lists (800) 432-3990, while the KRA prefix for Anthem Blue Cross lists (800) 288-9294. 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 KAA to KZZ 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 KAA to KZZ BCBS Prefixes

Claims filing addresses for the KAA to KZZ 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 KAA to KZZ Prefixes

The KAA to KZZ 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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PPO (Preferred Provider Organization)

PPO plans identified by KAA to KZZ 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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HMO (Health Maintenance Organization)

HMO plans in the KAA to KZZ 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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EPO (Exclusive Provider Organization)

EPO plans identified by KAA to KZZ 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 KAA to KZZ 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 identified by KAA to KZZ prefixes feature higher deductibles and lower monthly premiums compared to traditional plans. HDHP plans are often paired with Health Savings Accounts (HSAs) that allow members to save pre-tax dollars for medical expenses. Members must meet the deductible before the plan begins paying for covered services, except for preventive care. Billers processing HDHP claims should verify the deductible status and confirm whether the HSA is being used for payment.

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Medicare Advantage

Medicare Advantage plans in the KAA to KZZ prefix range are offered by BCBS companies as an alternative to Original Medicare. These plans provide Part A and Part B coverage and often include additional benefits such as prescription drug coverage, dental, and vision. Medicare Advantage plans may operate as HMO or PPO networks. Billers must verify that the provider participates in the specific Medicare Advantage network and submit claims to the BCBS plan rather than Medicare directly.

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Medicaid

Medicaid managed care plans identified by KAA to KZZ prefixes are administered by BCBS companies under contract with state Medicaid programs. These plans provide coverage for eligible low-income individuals and families. Medicaid plans operate within specific state guidelines and network requirements. Billers processing Medicaid claims through BCBS must verify eligibility through the state Medicaid portal and submit claims to the BCBS plan managing the member's Medicaid benefits.

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Traditional Indemnity

Traditional Indemnity plans in the KAA to KZZ prefix range allow members to visit any healthcare provider without network restrictions. These fee-for-service plans reimburse a percentage of the allowed amount for covered services after the deductible is met. Traditional Indemnity plans offer maximum provider choice but typically have higher out-of-pocket costs. Billers should submit claims based on the usual, customary, and reasonable (UCR) charges and verify the plan's reimbursement schedule.

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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 KAA to KZZ Prefix Range

The KAA to KZZ BCBS prefix range covers BCBS plans from multiple states across the United States. States represented in this range include Alabama, Alaska, California, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, Washington D.C., and Wisconsin. Each state has one or more independent BCBS licensees that operate within its borders.

BCBS companies covered in the KAA to KZZ range include BCBS of Kansas, BCBS of Kansas City, Anthem Blue Cross Blue Shield (operating in multiple states including Ohio, Indiana, Virginia, Georgia, Missouri, New Hampshire, and Wisconsin), BCBS of Illinois, BCBS of Michigan, Wellmark BCBS, CareFirst BCBS, Florida Blue, Highmark BCBS, Premera Blue Cross, Regence BCBS, Empire BCBS, BCBS of Alabama, BCBS of South Carolina, and BCBS of Massachusetts. Each company holds an independent license from the Blue Cross Blue Shield Association to operate in its designated service area.

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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Key BCBS Companies in the KAA to KZZ Range

chevron_right BCBS of Kansas — Serves Kansas with prefixes KAC and KSA, offering PPO, HMO, POS, EPO, and HDHP plans. Claims: (800) 432-3990.
chevron_right BCBS of Kansas City — Serves the Kansas City metropolitan area (Missouri/Kansas) with prefix KAB, offering PPO and HMO plans. Claims: (816) 395-2222.
chevron_right Anthem Blue Cross Blue Shield — Multi-state operator with prefixes across Ohio, Indiana, Virginia, Georgia, Missouri, New Hampshire, Wisconsin, and California. Claims: (800) 331-1475 (varies by state).
chevron_right Wellmark BCBS — Serves Iowa and South Dakota with multiple prefixes including KRC, KRD, KRH, KRJ, KRL, and KRY. Claims: (800) 524-9242.

Importance for Medical Billers

Understanding the states and companies covered in the KAA to KZZ prefix range is essential for medical billers to route claims correctly. Each BCBS licensee operates independently, with its own claims processing center, payer ID, and provider network. A prefix that appears similar to another may belong to a completely different BCBS entity in a different state. Billers must always verify the prefix against the current directory to avoid misdirecting claims, which results in rejections, payment delays, and increased administrative costs.

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Blue Cross Blue Shield of Kansas Prefixes in the K Range

Blue Cross Blue Shield of Kansas holds multiple prefixes within the KAA to KZZ range, including KAC and KSA. Each prefix identifies a specific product line or plan category within BCBS of Kansas. The KAC prefix covers PPO, HMO, and POS plans, while the KSA prefix includes POS, EPO, and HDHP plans. Both prefixes serve Kansas residents and direct healthcare providers to route claims to the Kansas-based BCBS entity.

Medical billers working with Kansas-based BCBS prefixes should use the specific claims phone number associated with each prefix. BCBS of Kansas's claims department can be reached at (800) 432-3990 for most Kansas prefixes in the K range. Verifying the prefix before calling reduces hold times and improves claim resolution efficiency. BCBS of Kansas also offers online claims submission and eligibility verification through its provider portal.

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Blue Cross Blue Shield of Kansas City Prefixes in the K Range

Blue Cross Blue Shield of Kansas City (Blue KC) operates in the greater Kansas City metropolitan area, serving members in both Missouri and Kansas. The KAB prefix is assigned to BCBS of Kansas City and covers PPO and HMO plans. Blue KC is a separate entity from BCBS of Kansas and maintains its own claims processing center, provider network, and member services operations.

Medical billers must distinguish between BCBS of Kansas (KAC, KSA) and BCBS of Kansas City (KAB) when processing claims, as submitting to the wrong entity results in claim rejections. Blue KC's claims department can be reached at (816) 395-2222.

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Example Prefix: KSA

The KSA prefix is assigned to BCBS of Kansas and identifies POS, EPO, and HDHP plans serving Kansas residents. When a member presents an insurance card with the KSA prefix, the provider should route claims to BCBS of Kansas at (800) 432-3990. The KSA prefix confirms that the member's home plan is based in Kansas, and all claims should follow BCBS of Kansas's submission guidelines, payer ID, and network rules.

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Claims Processing Guidance

When processing claims for KAA to KZZ prefixes associated with Kansas and Kansas City BCBS plans, billers should verify the prefix to determine whether claims should be routed to BCBS of Kansas or BCBS of Kansas City. The two entities operate independently with separate claims addresses, payer IDs, and provider networks. Claims submitted to the wrong entity will be rejected and require resubmission, adding to administrative costs and delaying reimbursement. Always confirm the prefix and home plan before filing.

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How to Use KAA to KZZ Prefixes for Insurance Eligibility Verification?

Using BCBS alpha prefixes in the KAA to KZZ range for insurance eligibility verification follows a structured process. The KAA to KZZ 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 KAA to KZZ 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, Medicaid, or Traditional Indemnity) 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 KAA to KZZ BCBS Prefix?

Routing claims using the KAA to KZZ 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 KAA to KZZ 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 KAA to KZZ Include Alphanumeric?

The KAA to KZZ 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 KAA to KZZ 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 KAA to KZZ range can be associated with a BCBS company that operates across multiple states. For example, the KFB prefix is assigned to Regence BCBS, which operates in Oregon, Idaho, Utah, and Washington. 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.