C7010

Avoiding/Correcting This Error If services are unrelated to hospice stay, resubmit with condition code 07 (treatment of nonterminal illness for hospice patient). Verify hospice enrollment prior to claim submission by reviewing the CWF, the [...]

39934

Avoiding/Correcting This Error Review each line level denial reason code(s). Follow the steps provided in that line level reason code narrative. Line level reason code(s) appear on the right view of claim page two (MAP171D). In order to access [...]

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 [...]

34538

Avoiding/Correcting This Error To avoid this error: When submitting your Medicare primary claim, report the reason Medicare is primary using claim coding in Prevent an MSP Rejection on a Medicare Primary Claim. To correct this [...]

34538

Avoiding/Correcting This Error To avoid this error: When submitting your Medicare primary claim, report the reason Medicare is primary using claim coding in Prevent an MSP Rejection on a Medicare Primary Claim. To correct this [...]

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 [...]

PECOS: View and Manage Reassignments through Group Enrollment

During this webinar, we’ll provide an understanding of how to view and manage reassignments through the group enrollment in Provider Enrollment, Chain and Ownership System (PECOS), including to add or terminate reassignments. Individual [...]

Provider Enrollment Revalidation Overview

During this webinar, learn about important changes in the revalidation process, how to determine Medicare enrollment revalidation due date and information to avoid disruption in Medicare billing.

Medicare Part B Ambulance Coverage, Basics and Billing

During this webinar, we'll educate new staff or those needing a refresher on basic Medicare Part B ambulance billing guidelines.

Getting Access to PECOS

During this webinar, we’ll discuss how to obtain access to the Internet-based Provider Enrollment Chain & Ownership System (PECOS) and gain connection to provider enrollment record as well as understand other Centers for Medicare & [...]

Provider Enrollment: Completing the CMS-855I Paper Application

During this webinar, we’ll provide an understanding of how to complete the CMS-855I provider enrollment paper application for a group member, sole proprietor or sole owner and we’ll also focus on reassigning Medicare benefits.

Submitting Revalidation via PECOS

During this webinar, we’ll provide an understanding of how to utilize the Centers for Medicare & Medicaid Services (CMS) Internet-based Provider Enrollment Chain & Ownership System (PECOS) to be comfortable in navigating the system to [...]

Modifier Lookup Tool Top

Modifier Lookup Tool This tool provides information for most procedure code modifiers used by Medicare. Enter the four required fields and be presented with details. Disclaimer: Existence of a valid procedure/modifier combination does not [...]

Modifier Lookup Tool

Medicare Preventive Services Resource Guide

Medicare Preventive Services Resource Guide Medicare covers many preventive services to keep your patients healthy. Preventive services can help find health problems early, when treatment works best, and can help keep Medicare beneficiaries [...]

MLN Connects® Newsletter: July 17, 2025

MLN Connects® Newsletter: July 17, 2025 News CMS Announces Resources, Flexibilities to Assist with Public Health Emergency in State of Texas Skilled Nursing Facilities: Revalidation Deadline Extended to January 1 Join an Accountable Care [...]

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 [...]

Prior Authorization Request for Outpatient Services: Facet Joint Interventions

Prior Authorization Request for Outpatient Services: Botulinum Toxin

Long-Term Care Hospitals: How to Request Adjustments of Claims Paid at the Site Neutral Rate

Long-Term Care Hospitals: How to Request Adjustments of Claims Paid at the Site Neutral Rate Table of Contents Long-Term Care Hospitals: How to Request Adjustments of Claims Paid at the Site Neutral Rate Background: Standard Payment vs. [...]

32415

Avoiding/Correcting This Error Append the “A6” condition code to the claim and F9 or resubmit.  Related Content CMS Internet-Only Manual Publication 100-04, Medicare Claims Processing Manual, Chapter 18, Section [...]

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 [...]

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 [...]

34977

Avoiding/Correcting This Error If you are billing for on-campus services only: Report the billing provider address only in the billing provider loop 2010AA Do not report any service facility location in loop 2310E (or in DDE MAP 171F [...]

34977

Avoiding/Correcting This Error If you are billing for on-campus services only: Report the billing provider address only in the billing provider loop 2010AA Do not report any service facility location in loop 2310E (or in DDE MAP 171F [...]

34985

Avoiding/Correcting This Error The PO modifier is used on all claim lines for all services, procedures and/or surgeries provided at an excepted off-campus provider-based outpatient department (PBD). The PO modifier applies to a [...]

34985

Avoiding/Correcting This Error The PO modifier is used on all claim lines for all services, procedures and/or surgeries provided at an excepted off-campus provider-based outpatient department (PBD). The PO modifier applies to a [...]

34986

Avoiding/Correcting This Error The PN modifier is used on all claim lines for all services, procedures and/or surgeries provided at an excepted off-campus outpatient, PBD of a hospital. The PN modifier applies to a grandfather/excepted PBD for [...]

34986

Avoiding/Correcting This Error The PN modifier is used on all claim lines for all services, procedures and/or surgeries provided at an excepted off-campus outpatient, PBD of a hospital. The PN modifier applies to a grandfather/excepted PBD for [...]

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 [...]

38038

Avoiding/Correcting This Error Check OPPS claims for potential overlapping dates of service prior to claim submission and bill accordingly An adjustment bill must be submitted For bill type 34X, only vaccines and their administration, [...]

38119

Avoiding/Correcting This Error Verify the admission date and from date on this claim Verify the patient’s MBI to make sure that it has been correctly reported If the MBI is incorrect, this edit will be assigned If admission and from dates [...]

38119

SNF inpatient claims have to be processed in sequence. That means that when the beneficiary is going to be in the SNF as an inpatient for several months in a row, claims for the months the beneficiary is in the SNF must be submitted one at a [...]

U5065

Avoiding/Correcting This Error Check/verify the beneficiary's entitlement dates in the CWF. A Medicare beneficiary, or their authorized representative, may have requested a new MBI. Verify eligibility and MBI number, correct and return the claim.

U5065

Avoiding/Correcting This Error Check/verify the beneficiary's entitlement dates in the CWF. A Medicare beneficiary, or their authorized representative, may have requested a new MBI. Verify eligibility and MBI number, correct and return the claim.

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 [...]

38105

Avoiding/Correcting This Error Verify billing and if appropriate, correct and resubmit the claim.   To prevent this error on future claims: Ensure that the correct bill type is submitted once you have received all charges from all [...]

38032

Avoiding/Correcting This Error If duplicate claim was submitted in error, no additional provider action is necessary. If it is determined that the claim was due to additional charges for a patient for a specific date of service, wait for the [...]

39929

Avoiding/Correcting This Error Verify the line level rejection information to determine the rejection for each of the lines of the claim in question. Resubmit as appropriate. Line level reason code(s) appear on the right view of claim page two [...]

7K073

Avoiding/Correcting This Error If the beneficiary is entitled to Medicare Part B, an ancillary claim may be submitted to your MAC. Related Content Centers for Medicare & Medicaid Services (CMS) Internet-Only Manual (IOM) [...]

C7010

Avoiding/Correcting This Error If services are unrelated to hospice stay, resubmit with condition code 07 (treatment of nonterminal illness for hospice patient). Verify hospice enrollment prior to claim submission by reviewing the CWF, HETS [...]

U5200

Avoiding/Correcting This Error Part of the eligibility verification process should include ensuring the dates of service fall within the Medicare entitlement period. Use the FISS/DDE Provider Online System, HETS or NGSConnex to verify [...]

U5233

Avoiding/Correcting This Error Verify the admission date, from, and through dates on the claim and compare the dates to the MAO/HMO entitlement dates. Outpatient facilities and IPPS and IRF hospitals, or LTCH billing services within an [...]

W7113

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

53NCD

Avoiding/Correcting This Error Ensure all claim coding is accurate prior to submitting the claim. Verify billing and, if appropriate, submit an adjustment to correct the diagnosis code according to instructions in the NGS article Submit an [...]

34072

Avoiding/Correcting This Error Resolve all conflicting claim information: If the claim has an OC 18 and date, verify the beneficiary’s retirement date. If the date is correct, add remarks to indicate the OC 18 date was verified and is [...]

Top Claim Errors Updated

Top Claim Errors Updated National Government Services updates the Top Claim Errors on our website each quarter to ensure our Part A providers have the latest information on top claim errors including denials, return to provider, and rejection [...]

52NCD

Avoiding/Correcting This Error Ensure all Medicare coverage and medical necessity requirements are met prior to billing. If the provider determines that Medicare will not cover the services, consider submitting the charges as noncovered. [...]

52NCD

Avoiding/Correcting This Error Ensure all Medicare coverage and medical necessity requirements are met prior to billing. If the provider determines that Medicare will not cover the services, consider submitting the charges as noncovered. [...]

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 [...]

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 [...]

54NCD

Avoiding/Correcting This Error Review coverage guidelines for the service being denied to ensure medical necessity of the services being provided to the beneficiary. Ensure all Medicare coverage and medical necessity requirements are met [...]

55S05

Avoiding/Correcting this Error The SNF should ensure that SNF services that are not covered are identified. After discussion with the beneficiary and/or representative you should properly issue an ABN and bill for the noncovered services [...]

55S29

Avoiding/Correcting This Error Respond promptly to a MAC, CERT, RAC, SMRC, or UPIC request for additional documentation.  Documentation is necessary to verify compliance with a benefit category requirement. Ensure that all records, [...]

59118

Avoiding/Correcting This Error Review reason code 59118 in the Direct Data Entry system for applicable codes. Alternatively, review the latest Change Requests/MLN® Matters articles for relevant ICD-10 updates. The most current MLN Matters [...]

59118

Avoiding/Correcting This Error Review reason code 59118 in the Direct Data Entry system for applicable codes. Alternatively, review the latest Change Requests/MLN® Matters articles for relevant ICD-10 updates. The most current MLN Matters [...]

59301

Avoiding/Correcting This Error You have the right to submit an appeal when you believe the medical records support that the denied services were reasonable and medically necessary. To prevent similar denials, ensure that all coverage [...]

5ND07

Avoiding/Correcting This Error To prevent this error, ensure all Medicare coverage and medical necessity requirements are met prior to billing. Providers can visit the CMS Coverage Database to review the NCDs and LCDs to determine the [...]

31836

Avoiding/Correcting This Error Verify billing and, if appropriate, correct and resubmit the claim for payment. Related Content CMS PFS Look-up Tool Overview

Facet Joint Interventions for Pain Management Best Practices

Facet Joint Interventions for Pain Management Best Practices Table of Contents Indications and/or Medical Necessity Coverage Documentation Requirements Diagnostic Facet Joint Injections (IA or MBB) Therapeutic Facet Joint Injection [...]