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Tools & forms: Claims

February 27, 2026
Use these self-service tools and forms related to claims.

Tips to prevent claim adjustment reason code (CARC) PR 170

February 26, 2026
This denial is received when services furnished or ordered by a chiropractor are not related to treatment by means of manual manipulation of the spine to correct a subluxation and/or the claim submitted does not meet the requirements. Read…

Guidelines for billing acute inpatient noncovered days

March 3, 2026
This article provides guidance for billing provider-liable acute inpatient non-covered and acute partial inpatient non-covered days, and acute inpatient non-covered beneficiary-liable days.

Avoid negative impacts to your claims -- review LCD L39073 and billing and coding article A58812 pharmacogenomics testing

March 6, 2026
Important information you must know if you bill for pharmacogenomics testing.

Tips to prevent RUC CO4

February 19, 2026
This CARC code is received when a claim is submitted and the procedure code(s) are billed with the wrong modifier(s), or the required modifier(s) are missing.

How to avoid rejects of Medicare and Medicaid crossover claims

February 19, 2026
Learn how to avoid rejects of crossover claims by ensuring the addresses you have on file with Medicare and Medicaid match and are in the appropriate format.

Claims resources

February 20, 2026
Features key resources to help you understand claim submission guidelines and current processing issues and how they may impact you.

Tips to prevent reject reason code 34538

February 24, 2026
Read this article for tips on how to prevent reject reason code 34538.

Steps to prevent reject reason code 36428

February 24, 2026
Steps to prevent rejection when submitting a claim for mammography screening services.

Claims: Adjusting, reopening, cancelling, and resubmitting

February 25, 2026
View reasons and scenarios for adjusting, reopening, cancelling, and resubmitting claims.
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