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Tips to prevent claim adjustment reason code (CARC) CO 236

December 23, 2025
This procedure or procedure/modifier combination is not compatible with another procedure or procedure /modifier combination provided on the same day according to the National Correct Coding Initiative.

Comprehensive Error Rate Testing (CERT) checklists

December 23, 2025
These checklists are intended to provide healthcare providers with a reference for use when responding to CERT documentation requests for the selected claim sample.

Clerical reopening requests

December 23, 2025
Avoid the appeals process by making minor claim corrections through a clerical reopening request for Part B claims.

Medical documentation checklists

December 23, 2025
Use the links on the left to access checklists to ensure you have met medical documentation requirements based on specific services.

Fee development process of new drug code pricing

December 23, 2025
View this article for information regarding local contractor pricing.

NCCI PTP lookup help guide

December 23, 2025
The help guide for the NCCI PTP lookup is currently being developed. Please check back soon. 

Modifier 24 fact sheet

December 23, 2025
To avoid claim denials and future appeals due to incorrect claim submissions, we’re providing guidance on how to properly submit a claim when applying modifier 24.

Billing modifier 59

December 23, 2025
Read this article for information about billing modifier 59.

MLN Connects for September 4, 2025

December 23, 2025
This edition includes information on complying with proof of delivery requirements, National Correct Coding Initiative October update, complying with Medicare signature requirements, and more.

E/M interactive worksheet: Help guide

December 23, 2025
Learn how to take advantage of the features of our exclusive E/M interactive worksheet and find the code that best represents the level of evaluation and management services (E/M) furnished during a patient’s visit.
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