Blue cross prefix lookup

Feb 24, 2021 · BCBS Prefix List 2024 - Alpha. State Lookup. BCBS Company. UAA. Michigan. Blue-Cross Blue-Shield of Michigan. UAB. Kansas City. Blue-Cross Blue-Shield of Kansas City.

BlueCross BlueShield of Tennessee is a Qualified Health Plan issuer in the Health Insurance Marketplace. 1 Cameron Hill Circle, Chattanooga TN 37402-0001. Learn more about BlueCross BlueShield of Tennessee (BCBST) health insurance and the medical, dental and vision plans we offer for employers, individuals and families.Blue Shield of Northeastern New York. RBX. Blue Cross Blue Shield of South Carolina. RBY. Blue Cross Blue Shield of Minnesota. RBZ. Blue Shield of Northeastern New York. BCBS Prefix assignments for BC prefixes RAA - RZZ. This list of BCBS prefixes includes BC prefix RBY, RPJ, RSR, R2K, RZL, RGU, RSU.Find out how to submit claims and verify eligibility for out-of-state members covered by Blue Cross or Federal Employee Program. Use the Prefix tool to identify the correct insurance carrier for your patients.Sample member ID cards. The main identifiers of BlueCard eligible members are a prefix and a suitcase logo. A correct member number includes prefix and all subsequent characters, up to 17 positions total. Others may be fewer than 17 positions. The prefix on member ID cards is generally three characters and can be alpha or alpha-numeric.Learn about BlueCard Program and how to use our online tools. Find links and resources to help you process BlueCard claims, learn more about the BlueCard program and services and read answers to the frequently asked questions. If you have other questions, please contact BlueCard: Eligibility: (800) 676-2583. …BCBS Prefix assignments for BC prefixes ZAA - ZZZ. This list of BCBS prefixes includes BC prefix ZPG, ZGN, ZRW, ZOT. ... Insurance Identifier Lookup ZAA – ZZZ ... Provider Phone Number Precert Phone Number; Z2M: Blue Cross Blue Shield of Rhode Island: Z3A: Blue Cross Blue Shield of Illinois: Z3F: …YesterdayOver the weekend, a devastating earthquake hit India and Pakistan. The Red Cross reports at least eighteen thousand dead, with death tolls expected to rise to as high as t...Regence Blue Cross Blue Shield of Oregon. S9M. Blue Cross Blue Shield of Michigan. S9R. Anthem BCBS of Ohio. S9S. Independence Blue Cross FOC. BCBS Prefix assignments for BC prefixes SAA - SZZ. This list of bcbs prefixes includes BC prefix sfz, syy, sfr, sac, swd, sub, sth, sac | BCBS prefix lookup.

Obtain health plan contact information. Speed claims processing. Remember: ID cards are for identification purposes only; they do not guarantee eligibility or payment of your claim. You should always verify patient eligibility by calling 800-676-BLUE (2583). The following information is provided to assist your Plan with provider education about ... Most Blue Cross and Blue Shield (BCBS) branded ID cards display a three-character alpha prefix in the first three positions of the member’s ID number. However, there are some exceptions. ID cards for the following products and programs do not have an alpha …Using our new digital lookup tool, you can conduct a search by entering a 5-digit procedure code, service description or drug name. The tool returns information for procedures that may require prior authorization through BCBSIL or AIM Specialty Health ® (AIM) for commercial fully insured non-HMO members.Availity. If you are a provider who submits claims on a CMS-1500 claim form, you have the option of using our Direct Claims Entry tool for claim submissions to replace your 837p. If you are unable to receive an 835, please remember, paper remittance advices are available on our provider portal. Claims Processing System Redesign Update.Blue Cross Blue Shield of Massachusetts brings health insurance plans, medical claims, insurance coverage, ... Search. Search. Close. Support Team Blue Support Call member service 1-800-262-2583; Talk to a nurse 1-888-247-2583; Video Doctor Visit Send website feedback Close. Close. Sign InLearn how to use BCBS prefix look up to verify insurance coverage and streamline claims processing. Find out the difference between BCBS Home Plan and BCBS Host Plan and how to choose the right one for your needs.Alpha Prefix : Submit. If you experience difficulties or need additional information, please contact 1.800.676.BLUE 1.800.676.BLUE. Our Plans; Use Insurance ... an Independent Licensee of the Blue Cross Blue Shield Association. BlueCross BlueShield of Tennessee is a Qualified Health Plan issuer in the Health Insurance Marketplace. 1 Cameron ...Feb 24, 2021 · BCBS Prefix List 2024 - Alpha Numeric State Lookup BCBS Company; H2A: Illinois: Blue-Cross Blue-Shield of Illinois: H2B: New York (Western) Blue-Cross Blue-Shield of Western New York

Insurance Identifier Lookup JAA – JZZ Plan Identifier Plan Name Phone Number Notes; J2A: Highmark BCBS of Pennsylvania: J2B: ... Unassigned Prefix: J3A: Blue Cross Blue Shield of Illinois: J3B: Regence Blue Cross Blue Shield of Oregon: J3N: Blue Cross Blue Shield of Georgia: J3S:Blue Cross Blue Shield Federal Phone Number. BCBS Prefix List 2024 - Alpha. State Lookup. BCBS Company. PAA. Pennsylvania. Capital Blue-Cross of Pennsylvania. PAB. Tennessee.Here under is a complete list of BCBS Prefix ranging From FAA to FZZ. We have enabled a lookup filter in list so you can search a specific prefix you are looking about. We hope this list helps you a lot for getting the information of members BCBS Plan. With this BCBS Alpha Prefix Lookup you can easily gets the members plan details.A: You can request a new card or confirm your ID information before your appointment by using our secure Member Resource Center, emailing [email protected], or calling Customer Service at (800) 247-2583 Monday-Friday from 7:00 a.m. to 6:00 p.m.

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Blue e provider portal. Use Blue e to look up patient eligibility, submit claims, check claim statuses and more. Whether you’re part of a small practice or a large hospital system, Blue e can work for you. All at no charge.Feb 24, 2021 · Blue Cross Blue Shield Federal Phone Number. BCBS Prefix List 2024 - Alpha. State Lookup. BCBS Company. LAA. Illinois. Blue-Cross Blue-Shield of Illinois. LAB. Michigan. Advertisement The Red Cross movement started in Europe with Swiss businessman Jean-Henri Dunant. In 1859, he witnessed a bloody battle near Solferino, Italy that left the battlefie...Carefirst Blue-Cross Blue-Shield: DTU BCBS Prefix: Connecticut: Anthem Blue-Cross Blue-Shield of Connecticut: DTV: Illinois: Blue-Cross Blue-Shield of Illinois: DTW: Georgia: Anthem Blue-Cross Blue-Shield of Georgia: DTX-Unallocated/Not Assigned: DTY: Connecticut: Anthem Blue-Cross Blue-Shield of Connecticut: DTZ: Michigan: Blue …

Blue Cross Blue Shield members can search for doctors, hospitals and dentists: In the United States, Puerto Rico and U.S. Virgin Islands. Outside the United States. Select Blue Cross Blue Shield Global™ or GeoBlue if you have international coverage and need to find care outside the United States. Learn what BCBS prefixes are, how they work, and why they are important for your health insurance plan. Find the updated BCBS alpha prefix list 2024 by state and how to use it for claim processing and AR follow-up. See examples of BCBS numeric …BCBS Prefix DAA-DZZ (2024) January 4, 2024 by bcbsprefixlookup. BCBS Prefix CAA-CZZ updated as per information gathers from authorized resources. We will try to update time to time. entries.Advertisement The American Red Cross is made up of 769 regional or city-based chapters. Every chapter is officially chartered by the national Board of Governors. The directors of t...Our directory allows you to search by provider last name or type of provider. Also, find health care facilites including hospitals, urgent care and labs. Change Healthcare Notice. ... First Care, Inc., and The Dental Network, Inc. are independent licensees of the Blue Cross and Blue Shield Association.BCBS Prefix List 2024 - Alpha State Lookup BCBS Company; OAA-Unallocated/Not Assigned: OAB: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: OAC: Ohio: ... Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania: OYN: Michigan: Blue-Cross Blue-Shield of Michigan: OYO: Michigan:Blue Cross Blue Shield Federal Phone Number. BCBS Prefix List 2024 - Alpha. State Lookup. BCBS Company. CAA. Maryland/District of Columbia/Northern Virginia. Carefirst Blue-Cross Blue-Shield. CAB.BCBS Prefix CAA-CZZ: An Overview. BCBS, or Blue Cross Blue Shield, is a federation of independent health insurance companies offering various insurance plans.A unique three-letter prefix distinguishes each plan, and our focus lies within the CAA-CZZ prefix range.1. Access the Revenue Cycle Mgmt BCBS Prefix Lookup Finder. 2. Use a search feature or a table to find the alpha prefix you’re looking for. e.g, AAA to AZZ, FAA to FZZ etc. 3. In case of using search feature, enter the BCBS prefix you want to look up in the provided search field. 4.Jan 1, 2024 · BCBS member ID prefixes are used to quickly route claims and electronic inquires. Prefixes may also indicate specific network and benefit plan information. Most prefixes are the first three characters of the member ID and may be a mix of letters and numbers (e.g., P9H, 99D, Y4M, Z9P). FEP plans use just the letter “R” as the prefix.

The presence of another Blue Cross and/or Blue Shield's Plan logo on the member's ID card is the first visual indicator that a member may be eligible for BlueCard benefits. Alpha prefix. The alpha prefix on the member’s ID card is the key element used to identify the Plan to which the member belongs and to correctly …

Learn how we started and what we offer to help you identify and understand BCBS prefixes. Find BCBS alpha prefix lookup, alpha numeric prefix directory, and plan information on our platform.Find the correct BCBS home plan using our BCBS prefix lookup directory. Learn the meaning of BCBS prefix, alpha prefix and numeric prefix, and how to identify BCBS home plan from the latest BCBS prefix list data.The BCBS Prefix Lookup Tool is a vital component in the healthcare insurance industry, particularly within the framework of Blue Cross Blue Shield (BCBS) insurance plans. This tool, along with the ...Blue Cross Blue Shield Federal Phone Number. BCBS Prefix List 2024 - Alpha. State Lookup. BCBS Company. HAA. New Jersey. Horizon Blue-Cross Blue-Shield of New Jersey. HAB. New Jersey.Blue Cross Blue Shield Federal Phone Number. BCBS Prefix List 2024 - Alpha Numeric. State Lookup. BCBS Company. L2A. New York. Empire Blue-Cross Blue-Shield of New York. L2B. Pennsylvania.Below you can find all the information related to blue cross blue shield prefix XEH. We make sure to share latest and up to date information. ... Payer ID Lookup 2024 – Updated Insurance Payor ID List; BCBS Prefix List Lookup Directory with Phone Numbers 2023;BCBS Alpha Prefix from ZAA to ZZZ (Updated 2024) February 26, 2024 by Kim Keck. BCBS member ID prefix help medical billers, health care providers and patients to identify BCBS healthcare plan. Here we have listed down all the BCBS Prefixes along with BCBS home plan name and website for BCBS …BCBS Alpha Prefix from ZAA to ZZZ. February 27, 2024January 10, 2024by Rebecca Williams. Here I have shared the list of BCBS alpha prefix ranging from ZAA to ZZZ. We make sure to share latest data but in case you find some misinformation, please let us know so that we can help you to provide most accurate BCBS Alpha Prefix data.

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This guide offers an overview of Blue Cross and Blue Shield (BCBS) ID cards, including what the symbols mean and how to use the information on them. When BCBS members arrive at your office or facility, ask to see their current member identification cards at each visit. Doing so will help you: Identify the member’s product.Feb 24, 2021 · BCBS Prefix List 2024 - Alpha Numeric State Lookup BCBS Company; H2A: Illinois: Blue-Cross Blue-Shield of Illinois: H2B: New York (Western) Blue-Cross Blue-Shield of Western New York BCBS Alpha Prefix from ZAA to ZZZ. February 27, 2024January 10, 2024by Rebecca Williams. Here I have shared the list of BCBS alpha prefix ranging from ZAA to ZZZ. We make sure to share latest data but in case you find some misinformation, please let us know so that we can help you to provide most accurate BCBS Alpha Prefix data.BCBS Prefix List 2024 - Alpha Numeric. State Lookup. BCBS Company. Q2A. Alaska. Premera Blue-Cross Blue-Shield of Alaska. Q2B. Colorado. Anthem Blue-Cross Blue-Shield of Colorado.To get the most from your health insurance, you need to make sure that your see providers who are in the Anthem Blue Cross and Blue Shield network. Here are the steps you need to t...BCBS Prefix List 2024 - Alpha Numeric State Lookup BCBS Company; R2A: Pennsylvania: Highmark Blue-Cross Blue-Shield of Pennsylvania: R2B: Illinois: Blue-Cross Blue-Shield of Illinois: R2C: ... Regence Blue-Cross Blue-Shield: R6U-Prefix Unallocated/Not Assigned: R6V-Prefix Unallocated/Not Assigned: R6W: Ohio: Anthem Blue-Cross Blue-Shield of ...February 26, 2024 by Kim Keck. BCBS member ID prefix help medical billers, health care providers and patients to identify BCBS healthcare plan. Here we have listed down all the BCBS Prefixes along with BCBS home plan name and website for BCBS member IDs ranging from MAA to MZZ. For your ease, we have …BCBS Prefix List 2024 - Alpha. State Lookup. BCBS Company. WAA. Alabama. Blue-Cross Blue-Shield of Alabama. WAB. Illinois. Blue-Cross Blue-Shield of Illinois.Search for Doctors, Hospitals and Dentists Blue Cross Blue Shield members can search for doctors, hospitals and dentists:. In the United States, Puerto Rico and U.S. Virgin Islands. Outside the United States. Select Blue Cross Blue Shield Global™ or GeoBlue if you have international coverage and need to find care outside the United States. ….

BCBS Prefix List 2024 - Alpha. State Lookup. BCBS Company. WAA. Alabama. Blue-Cross Blue-Shield of Alabama. WAB. Illinois. Blue-Cross Blue-Shield of Illinois.According to a study, people spend around 1.6 billion hours each year standing idly at the roadside. According to an American study, people spend around 1.6 billion hours each year...BCBS Prefix List 2024 - Alpha Numeric. State Lookup. BCBS Company. Q2A. Alaska. Premera Blue-Cross Blue-Shield of Alaska. Q2B. Colorado. Anthem Blue-Cross Blue-Shield of Colorado.Availity. If you are a provider who submits claims on a CMS-1500 claim form, you have the option of using our Direct Claims Entry tool for claim submissions to replace your 837p. If you are unable to receive an 835, please remember, paper remittance advices are available on our provider portal. Claims Processing System Redesign Update.BCBS member ID prefix help medical billers, health care providers and patients to identify BCBS healthcare plan. Here we have listed down all the BCBS Prefix directory along with BCBS home plan name and website for BCBS member IDs ranging from V2A to V9Z.. Also, you can find BCBS provider phone numbers …BCBS member ID prefix help medical billers, health care providers and patients to identify BCBS healthcare plan. Here we have mentioned BCBS Prefix list along with BCBS home plan name and website for BCBS member IDs ranging from K2A to K9Z.. Also, you can find BCBS provider phone numbers for each state.. …Blue Cross Blue Shield BCBS Prefix List Lookup. Xceed Billing Solutions motive has till create ease for providers, medical billers, your and everyone who is concerned include revenue cycle process.Thus, to accomplishing is goal, we have listed down the complete BCBS alpha prefix list so ensure her can easily detect proper BCBS planning.BCBS Prefix lookup is an important part of health insurance claim processing and adjudication. Blue Cross and Blue Shield plan starts with an Alpha Prefix so they are called in medical...A Blue Cross ® Blue Shield ® prefix typically includes the first three characters of the member ID and indicates specific eligibility and benefit information. The prefix is often used for routing electronic inquiries and claims. (Note: Federal Employee Program ® [FEP ®] member IDs use the prefix “R.”) Prefixes for 2022 BCBSAZ standard ...BCBS Prefix List 2024 - Alpha Numeric. State Lookup. BCBS Company. Y2A. Illinois. Blue-Cross Blue-Shield of Illinois. Y2B. Ohio. Anthem Blue-Cross Blue-Shield of Ohio. Blue cross prefix lookup, The BCBS Prefix Lookup Tool is a vital component in the healthcare insurance industry, particularly within the framework of Blue Cross Blue Shield (BCBS) insurance plans. This tool, along..., Mar 1, 2024 · Last updated: 03/01/2024. The purpose of this list is to assist WA and AK providers to determine plan submission based on the prefix and location of the services. Use CTRL + F to locate prefix and submit claim according to these guidelines: Western/Eastern WA and AK providers submit to Premera. Western/Eastern WA and AK providers submit to Premera. , According to the National Committee for Quality Assurance, Blue Cross Blue Shield (BCBS) offers some of the best and most comprehensive coverage in the country. However, with a ran..., Feb 24, 2021 · BCBS Prefix List 2024 - Alpha Numeric. State Lookup. BCBS Company. S2A. New York (Western) Blue-Cross Blue-Shield of Western New York. S2B. Illinois. Blue-Cross Blue-Shield of Illinois. , BCBS Alpha Prefix from QAA to QZZ (Updated 2024) February 26, 2024 by Kim Keck. BCBS member ID prefix help medical billers, health care providers and patients to identify BCBS healthcare plan. Here we have listed down all the BCBS Prefix along with BCBS home plan name and website for BCBS …, BCBS Prefix List 2024 - Alpha Numeric State Lookup BCBS Company; O2A: California: Anthem Blue-Cross: O2B-Unallocated/ Prefix Not Assigned: O2C: ... Regence Blue-Cross Blue-Shield: O3U-Unallocated/ Prefix Not Assigned: O3V: Alaska: Premera Blue-Cross Blue-Shield of Alaska: O3W: Georgia: Anthem …, BCBS Prefix List 2024 - Alpha Numeric State Lookup BCBS Company; X2A: Connecticut: Anthem Blue-Cross Blue-Shield of Connecticut: X2B: Idaho: Blue-Cross of Idaho: X2C: ... Anthem Blue-Cross: X9H-Prefix Unallocated/Not Assigned: X9I-Prefix Unallocated/Not Assigned: X9J-Prefix Unallocated/Not Assigned: X9K-, Feb 24, 2021 · Anthem Blue-Cross: P5I-Prefix Unallocated/Not Assigned: P5J: Minnesota: Blue-Cross Blue-Shield of Minnesota: P5K: Maryland/District of Columbia/Northern Virginia: Carefirst Blue-Cross Blue-Shield: P5L: Pennsylvania: Highmark Blue-Shield of Pennsylvania: P5M: Pennsylvania: Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania ... , Search for a provider for you and your family. Explore. Explore your health Take a class or learn how to manage your health. Web Content Viewer - Fixed Context ... Independent licensees of the Blue Cross Blue Shield Association serving 21 counties in Central Pennsylvania and the Lehigh Valley. Communications issued by Capital Blue Cross in its ..., Are you looking for health insurance? Blue Cross insurance is one provider option that is widely available and, therefore, is likely to come up in your search. Learn more about whe..., Search Blue Cross Blue Shield of Michigan to explore coverage we offer, provider or group information, our vast network, company info, and more. Login Menu. Search. ... ©1996-2024 Blue Cross Blue Shield of Michigan and Blue Care Network are nonprofit corporations and independent licensees of the Blue Cross …, According to a study, people spend around 1.6 billion hours each year standing idly at the roadside. According to an American study, people spend around 1.6 billion hours each year..., Feb 24, 2021 · BCBS Prefix List 2024 - Alpha. State Lookup. BCBS Company. TAA. Pennsylvania. Highmark Blue-Cross Blue-Shield of Pennsylvania. TAB. California. Anthem Blue-Cross. , This website is operated by Horizon Blue Cross Blue Shield of New Jersey and is not New Jersey’s Health Insurance Marketplace. This website does not display all Qualified Health Plans available through Get Covered NJ.To see all available Qualified Health Plan options, go to the New Jersey Health Insurance Marketplace at Get Covered NJ.. …, Feb 24, 2021 · BCBS Prefix List 2024 - Alpha State Lookup BCBS Company; YAA: Connecticut: Anthem Blue-Cross Blue-Shield of Connecticut: YAB: ... Anthem Blue-Cross: YZD BCBS Prefix ... , Member ID Number: Your member ID number is made up of a series of letters and numbers. It will be the same for everyone covered under your Horizon plan and will remain as your ID number for as long as you are the subscriber of the health plan. Generally, the numbers after the 3HZN are what doctors and hospitals will need from you., Examples of Blue Cross Blue Shield prefixes are AAU, MRT and XZA for members in California, Illinois and Minnesota, respectfully, according to The Health Exhibit. BCBS alpha prefix..., Blue Cross Blue Shield members can search for doctors, hospitals and dentists: In the United States, Puerto Rico and U.S. Virgin Islands. Outside the United States. Select Blue Cross Blue Shield Global™ or GeoBlue if you have international coverage and need to find care outside the United States. , BCBS Prefix List 2024 - Alpha Numeric. State Lookup. BCBS Company. N2A. Illinois. Blue-Cross Blue-Shield of Illinois. N2B. Illinois. Blue-Cross Blue-Shield of Illinois., Availity. If you are a provider who submits claims on a CMS-1500 claim form, you have the option of using our Direct Claims Entry tool for claim submissions to replace your 837p. If you are unable to receive an 835, please remember, paper remittance advices are available on our provider portal. Claims Processing System Redesign Update., Obtain health plan contact information. Speed claims processing. Remember: ID cards are for identification purposes only; they do not guarantee eligibility or payment of your claim. You should always verify patient eligibility by calling 800-676-BLUE (2583). The following information is provided to assist your Plan with provider education about ..., This website is operated by Horizon Blue Cross Blue Shield of New Jersey and is not New Jersey’s Health Insurance Marketplace. This website does not display all Qualified Health Plans available through Get Covered NJ.To see all available Qualified Health Plan options, go to the New Jersey Health Insurance Marketplace at Get Covered NJ.. …, BCBS Prefix assignments for BC prefixes ZAA - ZZZ. This list of BCBS prefixes includes BC prefix ZPG, ZGN, ZRW, ZOT. ... Insurance Identifier Lookup ZAA – ZZZ ... Provider Phone Number Precert Phone Number; Z2M: Blue Cross Blue Shield of Rhode Island: Z3A: Blue Cross Blue Shield of Illinois: Z3F: …, February 26, 2024 by Kim Keck. BCBS member ID prefix help medical billers, health care providers and patients to identify BCBS healthcare plan. Here we have listed down all the BCBS Prefixes along with BCBS home plan name and website for BCBS member IDs ranging from MAA to MZZ. For your ease, we have …, BlueCross and BlueShield Plans are independent and locally owned companies that collectively provide health care coverage to 94 million - nearly one in three - Americans. Enter Your Zip Code: Find your local Blue Cross and Blue Shield Health Insurance Company. , BCBS Prefix NAA-NZZ contained all bcbs prefixes which are starting with alphabet N, we have updated all information BCBS Prefix range NAA-NZZ like NAB, NAK, NCQ, NZI, NLA, NMP, NRT, NGK, etc, Blue Cross NC has robust search tools to help you find in-network doctors, hospitals, specialty pharmacies and urgent care in your state or across the country. Find out if your doctor, drug, or pharmacy is in-network, or explore other care options. ... Blue Cross and Blue Shield of North Carolina ..., Find out how to submit claims and verify eligibility for out-of-state members covered by Blue Cross or Federal Employee Program. Use the Prefix tool to identify the correct insurance carrier for your patients., BCBS Prefix List 2024 - Alpha Numeric. State Lookup. BCBS Company. Y2A. Illinois. Blue-Cross Blue-Shield of Illinois. Y2B. Ohio. Anthem Blue-Cross Blue-Shield of Ohio., Insurance Identifier Lookup VAA – VZZ Plan Identifier Plan Name Phone Number Plan Type; V2A: Blue Cross Blue Shield of North Carolina ... Unassigned Prefix: VRX: Empire Blue Cross Blue Shield: VRY: BCBS of Michigan: VRZ: BCBS of Michigan: VSA: Anthem Blue Cross of California: VSB: BCBS of Massachusetts: VSC: BCBS of …, BCBS Prefix KAA to KZZ Summary. February 21, 2023 by Kathryn Belvin. Below you can find summary of all the Blue Cross Blue Shield active prefix ranging from KAA to KZZ. For detailed information of each prefix home plan, click on the prefix and you will find the detailed information., With the Credence mobile app you’ll have everything you need to manage your benefits—from home, at work and on the go. DOWNLOAD APP. Credence offers health insurance, including medical, dental and prescription drug coverage to individuals and families through their employers., Prefix Tool. The Prefix tool determines where you should submit a medical claim, either Blue Cross of Idaho or Regence Blue Shield of Idaho, based on an prefix. Enter the three digit alphanumeric prefix located on the member’s ID card, and the tool provides the correct insurance carrier for you.