OA-18

Avoiding/Correcting This Error A duplicate claim submission occurs when a provider resubmits a claim either on paper or electronically for a single encounter and the service is provided by the same provider to the: same beneficiary; for the [...]

Learn About PECOS Web

Learn About PECOS Web Table of Contents CMS Provider Enrollment Systems Advantages of Online Enrollment Get Started Other Resources Get Access Password Requirements Multi-Factor Authentication Get Help [Return to [...]

Credentialing, Enrollment and Revalidation

Credentialing, Enrollment and Revalidation Table of Contents Requirements Facilities that are not qualified Qualifications Application Forms You Will Need Required Application Fee Documentation State Survey, Tie-in Notice [...]

CO-16

Avoiding/Correcting This Error This denial message is specific to chiropractic claims with CPT/HCPCS codes that are not billable by Medicare enrolled chiropractors. Medicare Part B coverage for chiropractic care is limited to spinal [...]

CO-16

Avoiding/Correcting This Error This rejection is the result of submitting a CPT/HCPCS code without a required modifier. You are required to research the proper modifier to report with the CPT/HCPCS code then submit a new claim. Please use [...]

CO-16

Avoiding/Correcting This Error The billing provider's information on the claim is missing or invalid. To avoid this error, ensure the following details are accurate and included: the billing provider's NPI, name, address, ZIP code and phone [...]

CO-16

Avoiding/Correcting This Error The MBI is necessary for all claims submitted to MAC. Claims without a correct MBI are rejected, requiring providers to verify and resubmit them. To avoid this, use the Eligibility Lookup in NGSConnex before [...]

CO-16

Avoiding/Correcting This Error Certain services require the name and NPI of the ordering or referring physician, depending on the service type. Definitions: Referring Physician: Requests an item or service for a Medicare beneficiary. [...]

CO-109

Avoiding/Correcting This Error Palmetto GBA is the Medicare Administrative Contractor for processing claims of railroad retirees, regardless of their location. Providers and suppliers must verify patients' Medicare entitlement before [...]

Coverage Criteria and Frequency Limits

Coverage Criteria and Frequency Limits Table of Contents Counseling to Prevent Tobacco Use Diagnosis Coding Cost Sharing Reimbursement Nonparticipating Providers Related Content [Return to Top] Counseling to Prevent Tobacco Use [...]

Counseling to Prevent Tobacco Use and Tobacco Related Diseases Job Aid

April 2025 EDI Front End Quarterly Release

April 2025 EDI Front End Quarterly Release Please be advised that while the Centers for Medicare & Medicaid Services mandated release for April 2025 was installed the weekend of 4/6/2025, the code set updates included with this release [...]

April 2025 EDI Front End Quarterly Release

April 2025 EDI Front End Quarterly Release Please be advised that while the Centers for Medicare & Medicaid Services mandated release for April 2025 was installed the weekend of 4/6/2025, the code set updates included with this release [...]

April Code Set Update for PC Print: April 2025

April Code Set Update for PC Print: April 2025 The PC Print April code set update will be available on our website 4/9/2025. The update contains the following enhancements:    CR13891 Implement Operating Rules – Phase III [...]

April Code Set Update for PC Print: April 2025

April Code Set Update for PC Print: April 2025 The PC Print April code set update will be available on our website 4/9/2025. The update contains the following enhancements:    CR13891 Implement Operating Rules - Phase III [...]

Social Security Income Ratios

Social Security Income Ratios The federal fiscal year 2023 SSI ratios for IPPS hospitals, IRF and LTCH were posted on the CMS website. IPPS IRF LTCH NGS will update the latest published 2023 SSI ratios in the Provider Specific File of [...]

Top J6 Part B Claim Errors are Available

Top J6 Part B Claim Errors are Available We conduct a comprehensive data analysis on a quarterly basis to update and disseminate the latest insights on the most common claim errors. This initiative provides: Claim Error Reason Code [...]

Standard Companion Guide Trading Partner Information

Standard Companion Guide Trading Partner Information Instructions Related to the X12 275 Claims Attachment Version 6020 and HL7 Consolidated Clinical Document Architecture R2.1 Companion Guide Version Number: 8.0 Revised: April 2025 Preface [...]

38200

Avoiding/Correcting This Error Always verify the status of a submitted claim before submitting another claim. Verify claim status using the IVR system, FISS/DDE or the NGSConnex online portal. Per CMS mandate, PCC representatives are not [...]

38312

Avoiding/Correcting This Error If appropriate, correct and resubmit a new claim.   To prevent this error on future claims: Ensure you have received all charges from all departments and that no claim has been submitted for the same DOS [...]

38312

Avoiding/Correcting This Error If appropriate, correct and resubmit a new claim.   To prevent this error on future claims: Ensure you have received all charges from all departments and that no claim has been submitted for the same DOS [...]

W7113

Avoiding/Correcting This Error Prevent future similar errors by checking the I/OCE and ICD-10 official guidelines prior to claim submission. Verify the diagnosis codes reported; correct and resubmit. Related Content The I/OCE Quarterly [...]

34963

Avoiding/Correcting This Error Verify billing and, if appropriate correct and return the claim. Online providers should press PF9 to restore the claim. Related Content New Fiscal Intermediary Shared System Consistency Edit to Validate [...]

38031

Avoiding/Correcting This Error If appropriate, correct and resubmit a new claim. To prevent this error on future claims, ensure you have received all charges from all departments and that no claim has been submitted for the same DOS and [...]

W7072

Avoiding/Correcting This Error Verify billing and, if appropriate, correct and resubmit the claim for payment. Related Content Centers for Medicare & Medicaid Services Internet-Only Manual Publication 100-04, Medicare Claims Processing [...]

32078

Avoiding/Correcting This Error Ensure the appropriate revenue code(s) and HCPCS/CPT code(s) are reported on the claim and each claim line contains the correct service date. Verify the information billed and PF9 to resubmit. Related [...]

W7088

Avoiding/Correcting This Error Each FQHC PPS claim must be billed with a qualifying visit code, and associated line-item charges, along with all other FQHC services furnished during the encounter. A qualifying visit code is the code that [...]

W7089

Avoiding/Correcting This Error Payment for a FQHC encounter requires a medically necessary face-to-face visit. Each FQHC specific payment code (G0466-G0470) must have a corresponding service line with a HCPCS code that describes the qualifying [...]

32404

Verify HCPCS code using the FISS Inquiries HCPCS file (option 14). Allowable HCPCS codes will be displayed based on DOS. Avoiding/Correcting This Error Use the claims correction option to report the appropriate HCPCS/CPT code and resubmit the [...]

32266

Avoiding/Correcting This Error Report influenza virus, pneumococcal pneumonia virus, and COVID-19 vaccines (and administration) with your charges on the 77X claim for informational and data collection purposes only. Report revenue code 0771 [...]

W7088

Avoiding/Correcting This Error Each FQHC PPS claim must be billed with a qualifying visit code, and associated line-item charges, along with all other FQHC services furnished during the encounter. A qualifying visit code is the code that [...]

32243

Avoiding/Correcting This Error Review the claim and either update the charges or remove the line containing zero or blank charges. Return the claim for processing. 

N5052

Avoiding/Correcting This Error The beneficiary’s name listed on the claim has to be an exact match to what is posted on CWF. Be sure that any special characters (including apostrophes, dashes, commas) and suffixes (Jr., Sr., III) that are [...]

W7089

Avoiding/Correcting This Error Payment for a FQHC encounter requires a medically necessary face-to-face visit. Each FQHC specific payment code (G0466-G0470) must have a corresponding service line with a HCPCS code that describes the qualifying [...]

37098

Avoiding/Correcting This Error Verify billing and, if appropriate, correct and return the claim. Related Content Billing for FQHC MAO Plan Supplemental Payment (PPS Providers) CMS Internet-Only Manual 100-04, Medicare Claims Processing [...]

32402

Avoiding/Correcting This Error Verify HCPCS code using the FISS DDE Inquiries HCPCS file (option 14) to determine the allowable revenue codes based upon the date of service. Verify billing and, if appropriate, correct the claim using the [...]

55B31

Avoiding/Correcting This Error Review coverage guidelines and patient records to determine if all appropriate documentation was sent for review that may have supported medical necessity.  When you receive an ADR from National Government [...]

59132

Avoiding/Correcting This Error RHCs should not bill codes G0108 or G0109. Related Content CMS Internet-Only Manual, Publication 100-04, Medicare Claims Processing Manual, Chapter 9, Section 70.5 - Diabetes Self-Management Training (DSMT) [...]

U5233

Avoiding/Correcting This Error Verify the admission date, from, and through dates on the claim and compare the dates to the HMO entitlement dates. Verify the admission date, from, and through dates on the claim and compare the dates to the [...]

U5233

Avoiding/Correcting This Error Verify the admission date, from, and through dates on the claim and compare the dates to the HMO entitlement dates. Verify the admission date, from, and through dates on the claim and compare the dates to the [...]

Reducing Unprocessable Claims

When claims are submitted with invalid, incomplete or incorrect information, our claims processing system will detect these errors and will reject claims as unprocessable. Our goal is to assist our providers in submitting claims correctly the [...]

National A/B Medicare Administrative Contractor Ambulance Provider/Supplier Coalition

National A/B Medicare Administrative Contractor Ambulance Provider/Supplier Coalition Attention Ambulance Providers In response to numerous and continued requests from the ambulance community, the AB MACs have put together a National AB MAC [...]

FQHC Example of a Per Visit Rate Calculation for MAO Supplemental Payments

National AB Medicare Administrative Contractor Ambulance Provider/Supplier Coalition

National AB Medicare Administrative Contractor Ambulance Provider/Supplier Coalition Attention Ambulance Providers In response to numerous and continued requests from the ambulance community, the AB MACs have put together a National AB MAC [...]

Part A Summit- Skilled Nursing Facility: Coverage and Documentation

During this collaborative education session between Case Management and Medical Review, attendees will learn documentation requirements for skilled nursing facility (SNF) coverage, how to properly respond to Additional Documentation Requests [...]

Part A Summit Let’s Chat: Prior Authorization for Certain Hospital Outpatient Department Services

This Let’s Chat session focuses on Prior Authorization for certain hospital outpatient department (OPD) services and is an informal opportunity for you to chat with our staff about the selected topic. During the session, you may ask us [...]

Part A Summit -Need Answers? The Options to Consider Before Calling or Writing into Medicare

During this session, we will review top trends on why providers are reaching out to Medicare and the best options to resolve those inquires. Plus, valuable tips and resources to help get the most out of Medicare.

Part A Summit- Medicare Secondary Payer: Preventing Rejections of Your Medicare Primary Claims

Increase your cash flow by preventing rejections of your Medicare primary claims! In this webinar, we review why claims reject for Medicare Secondary Payer and explain how to prevent these rejections by reporting information on your claims that [...]

Part A Summit - Exploring the NGS TPE Process

Join us to explore essential strategies for a successful Targeted Probe and Educate review. We'll cover the purpose of TPE and best practices, roles and responsibilities of National Government Service and providers under review. Gain practical [...]

Part A Summit- Navigating Billing and Documentation for Behavioral Health Services in Federally Qualified Health Centers

Unlock the secrets to effective billing and documentation for behavioral health services within Federally Qualified Health Centers. This collaborative webinar will include insights from Medical Review and is designed to help healthcare [...]

Part A Summit – How to Submit an Appeal Request

Join us for a comprehensive session focused on understanding the appeal submission process within National Government Service. This presentation is designed to guide participants through each step of submitting an appeal, ensuring clarity and [...]

Part A Summit - NGSConnex: User Pain Points Examples/Solutions

Are you experiencing issues while utilizing NGSConnex? Join this informative session to learn what user pain points are and how to resolve these issues from an NGSConnex Agile Product Owner. This session will encompass issues with [...]

Part A Summit - World of Medicare Contractors

Medicare Administrative Contractors are responsible for processing claims, managing policy and payment, and establishing regional policy guidelines. Centers for Medicare & Medicaid Services also uses several additional contractors to manage [...]

Part A Summit - Maintaining Your Provider Files

This virtual webinar will aid in maintaining accurate provider enrollment files for the internet-based Centers for Medicare & Medicaid Services systems: Identity & Access Management System, National Plan & Provider Enumeration System and the [...]

Part A Summit- Navigating NGS and CMS Websites

Join us for this informative session where we will review how to find helpful Medicare references and resources on the National Government Services website (www.NGSMedicare.com) and the Centers for Medicare & Medicaid Services website [...]

Part A Summit - Provider Outreach and Education Roundtable

Join us for an interactive and insightful roundtable discussion with the Provider Outreach and Education Manager and team. This session is designed to offer a comprehensive look into the future of POE and explore innovative strategies for [...]

Medicare Part B Secondary Payer Post-Pay Overpayments

During this webinar, providers and office staff members will learn about the Medicare Part B overpayments and the appropriate steps for reporting Medicare Secondary Payer (MSP) overpayments. NGS MSP subject-matter experts will be on hand to [...]

Urgent Care

Urgent Care Please explain the concepts of split/shared and incident to E/M services in the urgent care setting. Answer: The urgent care setting is defined by CMS as a nonfacility setting. This means the split/shared concept does not [...]

Transitional Care Management

Transitional Care Management Please clarify responsibility for the TCM interactive contact. Can this be performed by a hospital-employed nurse prior to discharge? Answer: The provider who is billing the TCM service is responsible for the [...]

Time-Based Services

Time-Based Services Please define rules for using time to level-set a service. Answer: In both the office and observation/inpatient setting, the provider’s time is calculated based on pre-visit, intra-visit, and post-visit activities [...]