2024 Co 15 denial code

CO-15: The authorization number is missing, invalid, or does not apply to the billed services or provider. Denial code CO-15 indicates that the authorization number provided with the claim is missing, invalid, or …. Giyuusane

Denial Code Resolution. View the most common claim submission errors below. To access a denial description, select the applicable Reason/Remark code found on Noridian's Remittance Advice. Select the Reason or Remark code link below to review supplier solutions to the denial and/or how to avoid the same denial in the future.Complete Medicare Denial Codes List - Updated MD Billing Facts 2021 – www.mdbillingfacts.com Code Number Remark Code Reason for Denial 1 Deductible amount. 2 Coinsurance amount. 3 Co-payment amount. 4 The procedure code is inconsistent with the modifier used, or a required modifier is ... 15 Payment adjusted …Common causes of code 197 are: 1. Failure to obtain pre-certification: One of the most common reasons for code 197 is the absence of pre-certification or authorization from the insurance company before providing a specific treatment or procedure. This could be due to oversight or lack of understanding of the insurance company's requirements.Some people with alcohol use disorder may be in denial that they misuse alcohol, which can delay treatment. Here are ways to overcome denial and get help. People with alcohol use d...Notes: (Modified 10/31/02, 7/1/08, 7/15/13, 3/1/2015) N11: Denial reversed because of medical review. ... Procedure code or procedure rate count cannot be determined, or was not on file, for the date of service/provider. ... Record fees are the patient's responsibility and limited to the specified co-payment. Start: 10/31/2002: N136:Reason Code 10: The date of death precedes the date of service. Reason Code 11: The date of birth follows the date of service. Reason Code 12: The authorization number is missing, invalid, or does not apply to the billed services or provider. Reason Code 13: Claim/service lacks information which is needed for adjudication. At leastDenial Code CO 16 along with remark codes: When claim denied with the following remark codes, please take up the following action to resolve the claim: MA27, MA36, MA61 and N382 – Missing/incomplete/invalid Patient Name, Social Security Number, entitlement number or name shown on the claim or patient identifier (HICN or MBI) CO 24 Denial Code: The CO-24 denial code is a common issue faced by healthcare providers. It indicates that the charges are covered under a capitation agreement or managed care plan. This means the service is already included in a monthly fee your patient’s insurance plan pays to the healthcare provider. Decoding the CO 24 Denial Code is a critical skill that can significantly impact the financial health of both healthcare providers and patients. Decoding the CO 24 Denial Code: Analyzing the Code: Understanding the numerical aspect of the code is the first step, with ‘CO 24’ denoting the specific denial type related to out-of-network services.See full list on selecthub.com Why We Say, “I’m fine” When We Aren’t: Codependency, Denial, and Avoidance Im fine. We say it all t Im fine. We say it all the time. Its short and sweet. But, often, its not true. ...Denial password CO 15 means that the claim you entered has the wrong authorisation number for a service or a procedure. ... You can what to receive denial code CO 27 when a patient undergoes services or service subsequently their health security terminates. Unfortunately, this denial code remains prettiness difficult the resolve. ...The steps to address code 151 are as follows: Review the claim: Carefully examine the claim to ensure that all the necessary information has been submitted accurately. Check for any missing or incomplete documentation that may have led to the denial. Verify the services provided: Double-check the number and frequency of services mentioned in ...Denial code 171 means payment is denied for services provided by a specific type of provider in a specific type of facility. Check the 835 Healthcare Policy Identification Segment for more information. ... Use with Group Code CO. 139. Denial Code 14. Denial code 14 means the patient's date of birth is after the date of service. 14. Denial Code 140.Feb 15, 2024 · Denial Code CO 29: An Ultimate Guide. Maria Mulgrew. February 15, 2024. In 2021, there were approximately 48 million denied claims. Claim denials continue to plague the healthcare system, bogging down medical billing personnel when it comes to their day-to-day tasks. Having to regularly handle these denials means time stripped from other duties ... Dec 9, 2023 · Reason Code Remark Code(s) Denial Denial Description; 16: M51 | N56: Missing/Incorrect Required Claim Information: Claim/service lacks information or has submission/billing error(s). Usage: Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present. Missing/incomplete/invalid procedure code(s). CO 24 Denial Code: The CO-24 denial code is a common issue faced by healthcare providers. It indicates that the charges are covered under a capitation agreement or managed care plan. This means the service is already included in a monthly fee your patient’s insurance plan pays to the healthcare provider.CO 7 Denial Code – The Procedure/revenue code is inconsistent with the patient’s gender; CO 9 and CO 10 Denial Code; CO 13 and CO 14 Denial Code; CO 15 Denial Code – The authorization number is missing, invalid, or does not apply to the billed services or providerNovember 6, 2021. 0. 3060. Denial Code CO-15 – The authorization number is missing, invalid, or does not apply to the billed services or provider. If the services billed require authorization, then insurance will deny the claim with denial code CO-15 , if the claim submitted is invalid or incorrect or with no authorization number.CO 7 Denial Code – The Procedure/revenue code is inconsistent with the patient’s gender; CO 9 and CO 10 Denial Code; CO 13 and CO 14 Denial Code; CO 15 Denial Code – The authorization number is missing, invalid, or does not apply to the billed services or providerCO 7 Denial Code – The Procedure/revenue code is inconsistent with the patient’s gender; CO 9 and CO 10 Denial Code; CO 13 and CO 14 Denial Code; CO 15 Denial Code – The authorization number is missing, invalid, or does not apply to the billed services or providerDenial code CO16 is a “Contractual Obligation” claim adjustment reason code (CARC). What does that sentence mean? Basically, it’s a code that signifies a …CO 7 Denial Code – The Procedure/revenue code is inconsistent with the patient’s gender; CO 9 and CO 10 Denial Code; CO 13 and CO 14 Denial Code; CO 15 Denial Code – The authorization number is missing, invalid, or does not apply to the billed services or providerJul 15, 2011 · Anesthesia Services: Bundling Denials - B15. Denial Reason, Reason/Remark Code (s) B15 - Bundling: Payment adjusted because this procedure/service requires that a qualifying service/procedure be received and covered. The qualifying other service/procedure has not been received/adjudicated. CPT code: 99100. Resolution/Resources. This code is ... CO 7 Denial Code – The Procedure/revenue code is inconsistent with the patient’s gender; CO 9 and CO 10 Denial Code; CO 13 and CO 14 Denial Code; CO 15 Denial Code – The authorization number is missing, invalid, or does not apply to the billed services or providerN245: invalid or incomplete plan information for other insurance. MA112: incomplete, invalid or missing group practice information. N286: missing, invalid or incomplete primary identifier for referring provider. CO 18: Duplicate Service or Claim. This denial code is self-explanatory. It occurs when a medical provider or the billing team submits ...Denial codes are an integral part of the medical billing process. They indicate why an insurance payer has denied reimbursement for a healthcare service. Accurate …Insurance has taken responsibility to pay for $140 with $20 patient responsibility. Here, the write-off amount is $40, which signals the use of the CO 45 denial code. While posting this claim, the payment posting team will write-off $40 and post the payment of $140. The balance of $20 is then sent to the patient/secondary insurance.Review related LCD for modifier criteria and verify the required modifiers are appended to the HCPC codes submitted. This can be accomplished by utilizing the Modifier Lookup Tool on the Noridian Medicare website. View common reasons for Reason Code 50 denials, the next steps to correct such a denial, and how to avoid it in the future.This code is exclusive to Workers’ Compensation claims and should be used with Group Code CO or OA. Denial code P16 has been in effect since 11/01/2013, replacing the deactivated code W5. 234. Claim Adjustment Reason Code P17. Denial code P17 signifies that a referral was not authorized by the attending physician as per regulatory ...As an exclusive identifier within the Medicare coding spectrum, CO 45 denotes a denial based on insufficient documentation, specifically related to medical necessity. CO 45 is a Medicare-specific denial code that carries substantial implications for healthcare providers. It signifies that the submitted claim lacks the necessary …Remittance Advice (RA) Denial Code Resolution. Reason Code 150 | Remark Codes N115. Code. Description. Reason Code: 150. Payer deems the information submitted does not support this level of service. Remark Codes: N115. This decision was based on a Local Coverage Determination (LCD).How to Address Denial Code 210. The steps to address code 210 are as follows: Review the patient's medical records and documentation to confirm whether pre-certification or authorization was obtained for the services rendered. Ensure that the necessary documentation is complete and accurate. If pre-certification or authorization was obtained ...Decoding the CO 24 Denial Code is a critical skill that can significantly impact the financial health of both healthcare providers and patients. Decoding the CO 24 Denial Code: Analyzing the Code: Understanding the numerical aspect of the code is the first step, with ‘CO 24’ denoting the specific denial type related to out-of-network services.Dec 20, 2023 · As an exclusive identifier within the Medicare coding spectrum, CO 45 denotes a denial based on insufficient documentation, specifically related to medical necessity. CO 45 is a Medicare-specific denial code that carries substantial implications for healthcare providers. It signifies that the submitted claim lacks the necessary documentation to ... Common Reasons for Denial CO 129. Incorrect use of a new patient procedure modifier. Submitting a claim for a patient who is not considered a new patient. Using an outdated or invalid procedure modifier for the date of service. Incorrectly coding the patient’s status as new when they are an established patient.DENIAL CODE DESCRIPTION TABLE: Published 6/18/2021 5 Denial Code: Why was my claim denied? What do I do next? APD06 (cont) Services billed had. missing, incomplete, or invalid procedure: coding for the patient's. gender. If you believe this claim was denied in …Common Denial Codes: Unlocking the Puzzle of Medical Billing. Efficiency. The Costs of Ignorance. Decoding Denial Codes. Unveiling Common Denial Codes. CO-15 — Missing or Invalid Authorization Number. CO-16 — Lacks Information Needed for Adjudication. CO-18 — Duplicate Claim. CO-22 — Coordination of Benefits.If you want to teach your kid how to code, there’s certainly no shortage of apps, iPad-connected toys, motorized kits and programmable pets that you can buy for your future Google...Claim Adjustment Reason Code. Denial CO 45 is considered a part of the Claim Adjustment Reason code (CARC).CARC codes are a critical component of the claims adjudication process in healthcare. These codes serve to inform providers of the specific rationale for payment adjustments and discrepancies between the billed amount and the …Reason Code 10: The date of death precedes the date of service. Reason Code 11: The date of birth follows the date of service. Reason Code 12: The authorization number is missing, invalid, or does not apply to the billed services or provider. Reason Code 13: Claim/service lacks information which is needed for adjudication. At least CO 24 Denial Code: The CO-24 denial code is a common issue faced by healthcare providers. It indicates that the charges are covered under a capitation agreement or managed care plan. This means the service is already included in a monthly fee your patient’s insurance plan pays to the healthcare provider. One denial code that we see healthcare providers running into frequently is CO 151. In this blog, we will delve into what the denial code means, some common …The steps to address code P12, Workers' compensation jurisdictional fee schedule adjustment, are as follows: 1. If the adjustment is at the Claim Level: - The payer must send the 835 Class of Contract Code Identification Segment (Loop 2100 Other Claim Related Information REF). - The provider should review the 835 segment received from …If the valid authorization # is available, append the claim with correct authorization number and resubmit the claim to insurance company as corrected claim. If there is no information available, place the claims on hold and escalate the claim to client for further action.Whether you just want to be able to hack a few scripts or make a feature-rich application, writing code can be a little overwhelming with the massive amount of information availabl...CO 7 Denial Code – The Procedure/revenue code is inconsistent with the patient’s gender; CO 9 and CO 10 Denial Code; CO 13 and CO 14 Denial Code; CO 15 Denial Code – The authorization number is missing, invalid, or does not apply to the billed services or provider15 months from the DOS: Aetna: 120 days from DOS: Aetna Appeals: 60 days from previous decision: Aetna Better Health: 180 Days: ... The CO 29 denial code is a common reason for claim denials in healthcare billing. This code indicates that the claim has been denied due to exceeding the timely filing limit. In other words, the provider or …Jun 22, 2023 · Denial Code CO 97: An Ultimate Guide. Maria Mulgrew. June 22, 2023. In 2021, HealthCare.gov insurers denied nearly 17% of in-network claims. In other words, out of 291.6 million in-network claims, there were 48.3 million denied claims. That’s a lot of lost revenue. Some insurers even report denying nearly half of in-network claims! Claim Change Reason Code; Document Control Number; Adjustment Reason Code (if submitting via FISS) Remarks explaining the reason for the adjustment; A listing of available Claim Change Reason Codes and Adjustment Reason Codes can be accessed from Chapter 5 - Claims Correction of the Fiscal Intermediary Standard …CO-15 Code – The Authorization Number Is Missing, Invalid, Or Doesn't Apply To The Billed Services Or Provider This denial emerges when there's an issue with the authorization number. Adonis Intelligence’s authorization tracker ensures valid numbers are applied to the correct services and providers.CO 7 Denial Code – The Procedure/revenue code is inconsistent with the patient’s gender; CO 9 and CO 10 Denial Code; CO 13 and CO 14 Denial Code; CO 15 Denial Code – The authorization number is missing, invalid, or does not apply to the billed services or providerCO-26. This denial code states, "Expenses incurred prior to coverage." It is applied when a claim is submitted for services rendered before the patient's health insurance coverage was active. ... B-15. This code indicates that the claim has been denied because it lacks a prerequisite service or procedure that must be performed and …CO-27 Insurance Expired: Denial code CO-27, also known as “Insurance Expired,” is used when a patient’s health insurance policy has expired, and the healthcare provider attempts to bill the insurance company for services provided after the policy’s expiration date. This code is typically accompanied by a remark code, such as MA130 or ... Common causes of code 197 are: 1. Failure to obtain pre-certification: One of the most common reasons for code 197 is the absence of pre-certification or authorization from the insurance company before providing a specific treatment or procedure. This could be due to oversight or lack of understanding of the insurance company's requirements. Conclusion. CO-45 denial code is common in medical billing and can affect your revenue and cash flow. It means that your charges exceed the fee schedule or contract with the insurance company. To avoid or appeal this denial code, you should follow these steps: Review your contract terms and conditions with the insurance company.Description: The Explanation of Benefits (EOB) or Electronic Remittance Advice (ERA) indicates that the claim has been denied due to “The diagnosis is inconsistent with the procedure.”. Common Reasons for the Denial CO 11: Incorrect or missing diagnosis codes. Diagnosis codes that do not justify the medical necessity of the performed procedure.The steps to address code 5, which indicates that the procedure code or type of bill is inconsistent with the place of service, are as follows: 1. Review the claim details: Carefully examine the procedure code and the place of service listed on the claim. Ensure that they align with each other and accurately reflect the services provided. 2.15: The authorization number is missing, invalid, or does not apply to the billed services or provider. ... Notes: Use Group Code CO and code 45. 146: Diagnosis was invalid for the date(s) of service reported. Start: 06/30/2002 | Last Modified: 09/30/2007: 147: ... Non standard adjustment code from paper remittance. Note: This code is to be ...Conclusion. CO-45 denial code is common in medical billing and can affect your revenue and cash flow. It means that your charges exceed the fee schedule or contract with the insurance company. To avoid or appeal this denial code, you should follow these steps: Review your contract terms and conditions with the insurance company.Denial password CO 15 means that the claim you entered has the wrong authorisation number for a service or a procedure. ... You can what to receive denial code CO 27 when a patient undergoes services or service subsequently their health security terminates. Unfortunately, this denial code remains prettiness difficult the resolve. ... Next Steps. To resolve denial code B15, follow these next steps: Review Claim and Documentation: Thoroughly review the claim and associated documentation to identify any missing or incomplete information. Ensure that all necessary documentation supporting the completion and coverage of the qualifying service or procedure is included. DENIAL CODE DESCRIPTION TABLE: Published 6/18/2021 5 Denial Code: Why was my claim denied? What do I do next? APD06 (cont) Services billed had. missing, incomplete, or invalid procedure: coding for the patient's. gender. If you believe this claim was denied in …Several of the illegal DDoS booter domains seized by U.S. law enforcement are still online, a DOJ spokesperson confirmed. U.S. officials say they have seized dozens of domains link...Common causes of code 243 are: 1. Lack of pre-authorization: One of the most common reasons for this denial code is the failure to obtain pre-authorization from the patient's insurance company. Insurance companies often require pre-authorization for certain services or procedures to ensure medical necessity and appropriate utilization.Oct 31, 2020 ... NCCI Edits, physical therapy and occupational therapy. Denial code CO 236 Modifier 59 CPT Code 97164 Physical Therapy Reevaluation CPT Code ...Jul 15, 2011 · Anesthesia Services: Bundling Denials - B15. Denial Reason, Reason/Remark Code (s) B15 - Bundling: Payment adjusted because this procedure/service requires that a qualifying service/procedure be received and covered. The qualifying other service/procedure has not been received/adjudicated. CPT code: 99100. Resolution/Resources. This code is ... Advertisement The organizing group has to identify directors, a chief executive officer (who usually has to have past experience running a bank) and other executives. The integrit...Common Causes of CARC 55. Common causes of code 55 are: 1. Procedure or treatment is considered experimental or investigational by the payer: This denial code indicates …From 1/01/22 - 9/13/22, that client had 1,119 claims that contained denial code CO 4. For better reference, that’s $1.5M in denied claims waiting for resubmission. You see, CO 4 is one of the most common types of denials and you can see how it adds up. It also happens to be super easy to correct, resubmit and overturn.It is typically used with Group Code OA, except where state workers’ compensation regulations require CO. 15. Claim Adjustment Reason Code 19. Denial code 19 signifies that the injury/illness is work-related and thus the liability of the Worker’s Compensation Carrier. This code has been effective since 01/01/1995, with the last modification ...Nov 20, 2020 ... 96165 is considered an add-on code to account for any treatment time that exceeds 30 minutes of this modality. 96165 is billed in 15-minute ...It all began with political correctness. “The denial of first amendment rights…led to the political violence that we saw yesterday.” That was how Jason Kessler, who organized last ...5. Inadequate communication between providers: Sometimes, code 231 denials occur due to a lack of communication between different healthcare providers involved in the patient's care. If multiple providers perform mutually exclusive procedures without coordinating or sharing information, it can result in a denial.Discover the reasons behind payment discrepancies for your healthcare claims with Denial Code. Our code look-up tool provides comprehensive explanations for why a claim or service line was paid differently than it was billed. Understand the intricacies of reimbursement processes, optimize revenue cycles, and improve claim accuracy. …Denial code CO 15 means that the claim you entered has the wrong authorization number for a service or a procedure. You will need prior approvals to receive proper coverage for certain procedures or …From 1/01/22 - 9/13/22, that client had 1,119 claims that contained denial code CO 4. For better reference, that’s $1.5M in denied claims waiting for resubmission. You see, CO 4 is one of the most common types of denials and you can see how it adds up. It also happens to be super easy to correct, resubmit and overturn.Denial Code Resolution. View the most common claim submission errors below. To access a denial description, select the applicable Reason/Remark code found …Then we end up the claim with denial code 13 or denial code 14. For example: Assume Chris date of birth 11/28/2019, but demographic team keyed the claim incorrectly and billed the claim with the date of service 11/15/2019 instead of 12/15/2019.Review related LCD for modifier criteria and verify the required modifiers are appended to the HCPC codes submitted. This can be accomplished by utilizing the Modifier Lookup Tool on the Noridian Medicare website. View common reasons for Reason Code 50 denials, the next steps to correct such a denial, and how to avoid it in the future.November 6, 2021. 0. 3060. Denial Code CO-15 – The authorization number is missing, invalid, or does not apply to the billed services or provider. If the services billed require authorization, then insurance will …A CO 29 denial code can instantly be identified as late submission claims post the time limit. Since the medical billing and coding services team works with multiple payers, it is crucial that they are updated on the deadlines to submit claims within the stipulated time. ... 15 Likes. SolvEdge Simplifying Healthcare ExperiencesHow to Address Denial Code 252. The steps to address code 252 are as follows: Review the claim: Carefully review the claim to ensure that all required documentation is included. This may include medical records, test results, or any other supporting documentation that is necessary for the adjudication of the claim.Co 45 adjustments and the CO 45 denial code reason are closely related. When a claim is denied with a CO 45 code, it means that the insurance company has made an adjustment to the billed amount due to contractual obligations or maximum fee limits. This can result in a reduced reimbursement or no payment at all.Common causes of code 197 are: 1. Failure to obtain pre-certification: One of the most common reasons for code 197 is the absence of pre-certification or authorization from the insurance company before providing a specific treatment or procedure. This could be due to oversight or lack of understanding of the insurance company's requirements.Oct 29, 2023 · Navigating the CO-97 Appeals Process. If you do get a CO-97 denial, appealing should be your next step. Here is how to appeal effectively: 1. Reference payer policies showing the service can be billed separately. 2. Highlight medical necessity for performing and billing both services. 3. This code is exclusive to Workers’ Compensation claims and should be used with Group Code CO or OA. Denial code P16 has been in effect since 11/01/2013, replacing the deactivated code W5. 234. Claim Adjustment Reason Code P17. Denial code P17 signifies that a referral was not authorized by the attending physician as per regulatory ...Dec 6, 2019 · CO 7 Denial Code – The Procedure/revenue code is inconsistent with the patient’s gender; CO 9 and CO 10 Denial Code; CO 13 and CO 14 Denial Code; CO 15 Denial Code – The authorization number is missing, invalid, or does not apply to the billed services or provider 3981. Denial Code CO 16: Claim or Service Lacks Information which is needed for adjudication. Insurance will deny the claim with denial reason code CO 16 accompanied with remarks code, whenever claims submitted with missing, invalid or incorrect information. Denial reason code CO 16 states Claim/Service lacks information which is needed for ...For denial codes unrelated to MR please contact the customer contact center for additional information. Code. Description. 39508. Benefits Exhausted. 39513. Partial Benefits Exhausted. 50125. Certification is missing altogether from additional documentation sent …Thursday, February 1, 2007. The second highest reason code for Medicare claim denials reported for HME providers is OA109: claim not covered by this payer/contractor. You must send the claim to the correct payer/contractor. This denial is received when the patient is residing in a skilled nursing facility, a different DME MAC region or is ...

Adjustment code for mandated federal, state or local law/regulation that is not already covered by another code and is mandated before a new code can be created. Start: 06/01/2008. 224. Patient identification compromised by identity theft. Identity verification required for processing this and future claims.. Estate sales franklin tn

How to Address Denial Code 153. The steps to address code 153 are as follows: 1. Review the claim: Carefully examine the claim to ensure that the dosage information submitted is accurate and complete. Check for any errors or missing details …Dec 20, 2023 · As an exclusive identifier within the Medicare coding spectrum, CO 45 denotes a denial based on insufficient documentation, specifically related to medical necessity. CO 45 is a Medicare-specific denial code that carries substantial implications for healthcare providers. It signifies that the submitted claim lacks the necessary documentation to ... CO-15 – Missing or Invalid Authorization Number Denial code CO-15 is used if you give the insurance company the incorrect authorization number for a service or procedure. Prior clearance from the health insurance provider is required to obtain coverage for specific patient services or treatments.Learn the difference between source code and object code within computer programming. Each term has its own use; deciphering them can be difficult at first, but with this easy-to-f...DENIAL CODE DESCRIPTION TABLE: Published 6/18/2021 5 Denial Code: Why was my claim denied? What do I do next? APD06 (cont) Services billed had. missing, incomplete, or invalid procedure: coding for the patient's. gender. If you believe this claim was denied in …If the valid authorization # is available, append the claim with correct authorization number and resubmit the claim to insurance company as corrected claim. If there is no information available, place the claims on hold and escalate the claim to client for further action.CO-B15: Payment adjusted because this procedure/service is not paid separately. Action: No action required, as these services are typically bundled into another, more …How to Address Denial Code 18. The steps to address code 18 are as follows: 1. Review the claim: Carefully examine the claim to ensure that it is indeed an exact duplicate of a previously submitted claim or service. Look for any discrepancies or errors that may have caused the claim to be flagged as a duplicate. 2.CO-B15: Payment adjusted because this procedure/service is not paid separately. Action: No action required, as these services are typically bundled into another, more …Creatinine (Blood): NCCI Bundling Denials Code : M80, CO-B15. Denial Reason, Reason/Remark Code(s) • M-80: Not covered when performed during the same session/date as a previously processed service for the patient • CO-B15: Payment adjusted because this procedure/service requires that a qualifying service/procedure be received and covered ... CO-15 Code – The Authorization Number Is Missing, Invalid, Or Doesn't Apply To The Billed Services Or Provider This denial emerges when there's an issue with the authorization number. Adonis Intelligence’s authorization tracker ensures valid numbers are applied to the correct services and providers. Common Denial Codes: Unlocking the Puzzle of Medical Billing. Efficiency. The Costs of Ignorance. Decoding Denial Codes. Unveiling Common Denial Codes. CO-15 — Missing or Invalid Authorization Number. CO-16 — Lacks Information Needed for Adjudication. CO-18 — Duplicate Claim. CO-22 — Coordination of Benefits..

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