BCBS Alpha Prefix List help to identify the plan you are enrolled in and the geographic region where your plan is based on.
A BCBS alpha prefix is the 3-character code at the beginning of a Blue Cross Blue Shield member ID. It shows which Blue plan issued the member’s coverage, and that plan should cover the patients medical coverage.
If you are a Blue Cross Blue Shield Insurance (BCBS) member, you have seen a series of letters that updated on your backside of member’s ID card. These letters are BCBS Prefixes and it is essential for your BCBS health insurance plan. In this article we discussed about BCBS Prefix list and it’s importance in healthcare and insurance segment.
Insurance BCBS Prefix Lookup List
BCBS Alpha Numeric Prefix List
Why the Prefix Matters in Medical Billing?
Blue Cross Blue Shield is not one company. It is a federation of independent, locally operated plans, and a member of any of them can receive care in any state of USA. The prefix in BCBS insurance is identify by billing system, clearinghouse and the local plan figure out that which plan the patient belongs to. A correct prefix means the claim gets routed to the right home plan and paid without any issue.
The Blue Cross prefix answers 3 practical questions:
- Which Blue plan issued this coverage?
- Where do I send the eligibility inquiry?
- Is this member local to my state, or a visiting member covered through BlueCard?
What is an Alpha Prefix in Blue Cross Blue Shield Insurance?
Every Blue Cross and Blue Shield plan starts with an Alpha Prefix so they are called in medical terms BCBS Alpha Prefix. Alpha Prefix means plan id starts with three alphabets like ABC, XYZ, etc.
“The first two alphabets of the BCBS prefix denote the plan and the third alphabet of the prefix denotes the type of product the insured choose for coverage.”
Example: BCBS Prefix “ZGP” (State of Texas Plan – it is a PPO Product)
- 1st Character “Z” Plan Specific
- 2nd Character “G” Plan Specific
- 3rd Character “P” PPO Product (letter assigned by the Insurance Plan to identify product type elected by the member)
BCBS Insurance has unique prefixes and follows up a unique ID number. It comes up with the facilities such as dental, vision and other health issues.
Importance of BCBS Prefix List:
BCBS Alpha prefix list and Alpha numeric list both are very important to submit claims to Blue Cross insurance. If you are using electronic submission then prefix is important to submit claims successfully and received by insurance correctly.
Understanding your Insurance BCBS prefix directory can help you better understand your insurance plan and its benefits. It can also help you choose healthcare providers who participate in your plan’s network and offer you the best care at the lowest cost.
Also Read : Insurance Claim Address (A to Z)
Note- All information is collected from authorized sources of Blue Cross Blue Shield Insurance.
Disclaimer: This website is not affiliated with, endorsed by, or sponsored by the BlueCross BlueShield Association. All trademarks are the property of their respective owners and are used here for informational and education purposes only.
How to Read the Prefix on the ID card?
Look at the Blue Cross Blue Shield member ID number on the front of the card. The first three characters are the prefix, and the characters after it are the member’s own number. On many cards the prefix also appears inside the suitcase symbol, which signals BlueCard participation.
- Copy the prefix exactly as printed. Never drop it, reorder it or add spaces and dashes that are not on the card.
- Capture both sides of the card. The back usually lists the claims address, customer service and provider lines, and any plan-specific instructions.
Alpha Prefixes vs. Alpha Numeric Prefixes
Alpha prefixes are made of three letters, such as the ranges listed on this page from AAA to ZZZ.
Alpha-numeric prefixes mix letters and a digit. Once the pool of all-letter combinations was largely assigned, new prefixes began to include a number so more plans and accounts could be identified. In the ranges we list, the middle character is a digit from 2 to 9, followed by a letter, which is why the pages are grouped as A2A–A9Z, B2A–B9Z and so on. Digits 0 and 1 are not used in that position, which keeps them from being mistaken for the letters O and I when someone reads or types the ID.
Both type prefixes work the same way, both identify the issuing plan. The only difference is the format, so look up an alpha-numeric prefix in list and a BCBS alpha prefix in the list.
FEP IDs are different from alpha-numeric prefixes
Members of the Federal Employee Program (FEP) carry an ID that starts with the letter R followed by numbers. That is a different structure from an alpha-numeric prefix like R2A, where the prefix is followed by the member’s own number. If an ID starts with R, check whether the next characters are digits only (FEP ID) or a digit-letter combination (alpha-numeric prefix) before searching the list. FEP claims follow their own program rules, so confirm routing before you submit.
Example of Federal Employee Program (FEP) ID- R12345678
How to Look up a BCBS prefix Step-by-Step Guide
- Find the member ID on the front of the card and note the first three characters.
- Check it is alpha or alpha-numeric.
- Open the matching letter prefix list on this page (for example, a prefix starting with letter K goes to the K ranges).
- Match the full three characters to the plan and state shown in that range.
- Verify eligibility of patient from insurance (through web portal or call).
- Check the claims address on the back of the card.
- Document the result in the patient account so the next visit starts with verified information.
If you cannot identify the plan, call the BlueCard eligibility line at 1-800-676-BLUE (1-800-676-2583) [verified from Blue Cross Portal] and ask for help identifying the plan from the prefix.
Plan Level vs. Account Level Prefixes
Not every prefix represents a whole plan. Some are assigned to a Blue plan in general, while others are assigned to a specific large employer account . In practice, this means two members with different prefixes may belong to the same Blue plan but carry different benefits, and a single prefix should never be treated as a guarantee of a particular benefits .
Always confirm coverage details through an eligibility check rather than assuming from the prefix alone.
Host Plan Vs Home Plan
When a Blue member receives care outside their home state, two plans are involved. The plan where you are located is the host plan, and the plan that issued the member’s coverage is the home plan. You normally submit the claim to your local host plan using the member’s full ID, including the prefix, and the host plan forwards it to the home plan for pricing and payment.
Denials Due to Prefix Mistakes
Most prefix related denials are data entry problems rather than coverage problems. Typical examples:
- Transposed letters in the prefix.
- Leaving off the prefix or entering only the numeric portion.
- Using an old ID after the member got a replacement card.
- Adding spaces, dashes or extra characters that are not on the card.
These often show up on remittances as CARC 31 (patient cannot be identified as our insured) or CARC 140 (patient/insured health identification number and name do not match).
The solution is always the same, verify eligibility, correct the ID, and resubmit a corrected claim.
| Plan | State | Phone Number |
| Blue Cross Blue Shield Alabama | Alabama | 800-760-6852 |
| Premera Blue Cross Blue Shield Alaska | Alaska | 800-722-4714 (Select option 2) |
| Blue Cross Blue Shield Arizona | Arizona | 800-232-2345 |
| Blue Cross Blue Shield Arkansas | Arkansas | 800-827-4814 |
| Anthem Blue Cross California | California | 800-922-3242 (HMO Plan) |
| Blue Shield California | California | 800-541-6652 (Select Option 6) |
| Anthem Blue Cross Blue Shield Colorado | Colorado | 877-833-5742 |
| Anthem Blue Cross Blue Shield Connecticut | Connecticut | 800-922-3242 (HMO Plan) |
| Blue Cross Blue Shield Delaware | Delaware | 800-572-2872 |
| Carefirst Blue Cross Blue Shield Columbia | District of Columbia | 800-842-5975 |
| FEP Blue Cross Blue Shield | Federal / Multiple States | Varies by State |
| Blue Cross Blue Shield Florida | Florida | 800-727-2227 (Select Option 2) |
| Anthem Blue Cross Blue Shield Georgia | Georgia | 800-284-2609/800-241-7475 |
| Blue Cross Blue Shield Hawaii | Hawaii | 800-790-4672 |
| Blue Cross Idaho | Idaho | 866-482-2250 |
| Blue Shield Idaho | Idaho | 866-227-0913 |
| Blue Cross Blue Shield Illinois | Illinois | 800-972-8088 |
| Anthem Blue Cross Blue Shield Indiana | Indiana | 800-282-1016 |
| Wellmark Blue Cross Blue Shield Iowa | Iowa | 800-362-2218 |
| Blue Cross Blue Shield Kansas | Kansas | 800-432-3990 |
| Anthem Blue Cross Blue Shield Kentucky | Kentucky | 800-282-1016 |
| Blue Cross Blue Shield Louisiana | Louisiana | 800-392-4076 (IVR Option) |
| Anthem Blue Cross Blue Shield Maine | Maine | 800-832-6011 |
| Carefirst Blue Cross Blue Shield Maryland | Maryland | 800-248-8410 |
| Blue Cross Blue Shield Massachusetts | Massachusetts | 800-882-2060 |
| Blue Cross Blue Shield Michigan | Michigan | 800-344-8525 (Professional) |
| Blue Cross Blue Shield Michigan | Michigan | Click here for full contact info |
| Blue Cross Blue Shield Minnesota | Minnesota | 800-262-0820 |
| Blue Cross Blue Shield Mississippi | Mississippi | 800-257-5825 |
| Anthem Blue Cross Blue Shield Missouri | Missouri | 888-571-9054 |
| Blue Cross Blue Shield Missouri Kansas City | Missouri | 800-892-6048 |
| Blue Cross Blue Shield Montana | Montana | 800.447.7828 |
| Blue Cross Blue Shield Nebraska | Nebraska | 800‐635‐0579( IVR) & 800‐642‐8516(Provider Services) |
| Anthem Blue Cross Blue Shield Nevada | Nevada | 800-332-3842 |
| Anthem Blue Cross Blue Shield New Hampshire | New Hampshire | 800-332-6558 |
| Horizon Blue Cross Blue Shield New Jersey | New Jersey | 800-624-1110 |
| Blue Cross Blue Shield New Mexico | New Mexico | 888-349-3706 |
| Blue Cross Blue Shield Western New York | New York | 800-950-0052 (Managed Care Plan) |
| Blue Shield Northeastern New York | New York | 800-444-4552 |
| Empire Blue Cross Blue Shield New York | New York | 800-552-6630 |
| Excellus Blue Cross Blue Shield New York, | New York | 800-920-8889 |
| Blue Cross and Blue Shield North Carolina | North Carolina | 800-214-4844 |
| Blue Cross and Blue Shield North Dakota | North Dakota | 800-368-2312 |
| Anthem Blue Cross and Blue Shield Ohio | Ohio | 800-282-1016 |
| Blue Cross and Blue Shield Oklahoma | Oklahoma | 800-496-5774 |
| Regence BlueCross BlueShield Oregon | Oregon | 866-227-0913 |
| Blue Cross Northeastern Pennsylvania | Pennsylvania | BlueCare HMO –1-800-822-8752 |
| Highmark BlueShield Pennsylvania | Pennsylvania | Click here for full contact info |
| Independence Blue Cross Pennsylvania | Pennsylvania | 1-800-ASK-BLUE |
| Puerto Rico Triple-S Salud, Inc. | Puerto Rico | Not Available |
| Blue Cross Blue Shield Rhode Island | Rhode Island | 1-800-327-6712 or 1-800-230-9050 (Providers) or 1-800-637-3718, ext. 6067 (Facility) |
| Blue Cross Blue Shield South Carolina | South Carolina | 800-868-2510 |
| Wellmark Blue Cross Blue Shield South Dakota | South Dakota | 800-774-3892 |
| Blue Cross Blue Shield Tennessee | Tennessee | 800-924-7141 |
| Blue Cross Blue Shield Texas | Texas | 877-299-2377 (HMO Plan) |
| Regence Blue Cross Blue Shield Utah | Utah | (866) 227-0913 |
| Blue Cross and Blue Shield | Not specified | (888) 222-9206 |
| Anthem Blue Cross and Blue Shield Virginia | Virginia | 800-533-1120 (Commercial Plan) /800-901-0020 (Medicaid) |
| Premera Blue Cross Washington | Washington | 877-342-5258 (Select option 2) |
| Regence BlueShield Washington | Washington | (866) 227-0913 |
| Highmark Blue Cross Blue Shield West Virginia (Mountain State Blue Cross Blue Shield) | West Virginia | 800-294-9568 |
| Anthem Blue Cross Blue Shield Wisconsin | Wisconsin | 888-571-9055 |
| Blue Cross Blue Shield Wyoming | Wyoming | 800-442-2376 |
Frequently asked Questions
Ans. It is the first three characters of a Blue Cross Blue Shield member ID. It identifies the plan that issued the member’s coverage.
Ans. No. FEP IDs begin with R followed by numbers (ex.R12345678), while an alpha-numeric prefix like R2A has a digit and letter after the R and is followed by the member number.
Ans. On the front of the card, at the start of the member ID, and often inside the suitcase logo.
Ans. Re-check the characters on the card, run an eligibility check, and call the number on the back of the card or the BlueCard eligibility line before submitting a claim.
Ans. Not always. The payer ID usually depends on the plan you submit the claim to, which is often your local Blue plan, so confirm it with your clearinghouse or the plan’s provider manual.
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BCBS Provider Phone Number and Claim Address
BCBS Commercial Insurance Denial Codes
Anthem BCBS Kentucky Provider Phone Number for Claims
Place of Service Codes List in Medical Billing
EOB Codes List| Explanation of Benefit Reason Codes
Revenue Code List | UB04 Revenue Codes
EOB Codes List| Explanation of Benefit Reason Codes
UB04 Type of Bill Codes List- TOB Codes
Claim Adjustment Reason Codes | CARC Codes
Hi I am NSingh. I have completed my graduation in Science and Post Graduation in Management from Symbiosis Pune India. After management degree I started my career in 2010 as AR Analyst in Medical Billing company from Greater Noida India. I have vast experience in different scopes of Medical Billing and Coding as AR-Follow-up, Payment Posting, Charge posting, Coding, etc. Currently working in Chennai based RCM company as a Director.