Latest updates: Claims

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Current processing issues for Part A and Part B

This table displays Part A and Part B processing issues that are being worked currently or have been resolved recently.

Current processing issues for Part A and Part B

This table displays Part A and Part B processing issues that are being worked currently or have been resolved recently.

Process for supplying invoice amount on certain HCPCS codes - avoid rejected claims

Please review the revised blood product codes list.

Avoiding hospice claim rejects

Providers billing Medicare should determine if a patient is enrolled in hospice before billing Medicare Part A. This article has tips on checking patient eligibility and avoiding hospice claim…

Tips to prevent reject reason code U5233

Read this article for tips on how to prevent reject reason code U5233.

Tips to prevent reject reason code C7010

Read this article for tips on how to prevent reject reason code C7010.

Tips to prevent reject reason code 34538

Read this article for tips on how to prevent reject reason code 34538.

Tips to prevent claim adjustment reason code (CARC) CO 97

There are a few scenarios that exist for denial reason code CO 97, as outlined below. Please review the associated remittance advice remark code (RARC) noted on the remittance advice for your claim…

Tips to prevent claim adjustment reason code (CARC) CO 22

This care may be covered by another payer per coordination of benefits. This denial was received because Medicare records indicate that Medicare is the secondary payer.

Special Edition: MLN Connects for November 21, 2025

View this special edition update on processing of Medicare claims impacted during the government shutdown as well as the 2026 ESRD PPS final rule.