{"DID":"crit1a4b5d","Sites":"Railroad Medicare","Start Date":"05-23-2024 00:00","End Date":"05-27-2024 23:27","Content":"The Palmetto GBA Railroad Medicare Provider Contact Center (PCC) will be closed on Monday, May 27, 2024, in observance of the Memorial Day holiday.","URL":"","Target":null,"Color":"blue","Mode":"Standard\n","Priority":"no"}, {"DID":"crit23bc4e","Sites":"Railroad Medicare","Start Date":"03-20-2024 08:21","End Date":"03-31-2024 08:21","Content":"Join us for Spring Tour 2024: Columbia S.C. on April 2, 2024.","URL":"https://web.cvent.com/event/742e000a-81da-44bb-a8b9-e63fa849446c/summary","Target":"_blank","Color":"blue","Mode":"Standard\n","Priority":"no"}, {"DID":"crit2d1231","Sites":"Railroad Beneficiaries^Railroad Medicare","Start Date":"12-27-2024 11:32","End Date":"01-02-2025 05:33","Content":"The Palmetto GBA Railroad Medicare Beneficiary Contact Center (BCC) will be closed on January 1, 2025, in observance of the New Year's Day holiday.","URL":"","Target":"_self","Color":"blue","Mode":"Standard\n","Priority":"no"}, {"DID":"crit2e3413","Sites":"Railroad Medicare","Start Date":"05-23-2025 08:42","End Date":"05-26-2025 17:00","Content":"The Palmetto GBA Railroad Medicare Provider Contact Center (PCC) will be closed on Monday, May 26, 2025, in observance of the Memorial Day holiday.","URL":"","Target":null,"Color":"blue","Mode":"Standard\n","Priority":"no"}, {"DID":"crit3c53c3","Sites":"Railroad Medicare","Start Date":"02-26-2023 06:00","End Date":"02-28-2023 13:15","Content":"Railroad Medicare: Provider Enrollment, Electronic Data Interchange Basics Webinar: February 28, 2023, 1PM EST","URL":"https://event.on24.com/wcc/r/4108960/0EE03B2682B0A66F61916D8691AA1A00","Target":"_blank","Color":"blue","Mode":"Standard\n","Priority":"no"}, {"DID":"crit3caa43","Sites":"Railroad Medicare","Start Date":"12-23-2024 13:09","End Date":"12-25-2024 18:30","Content":"The Palmetto GBA Railroad Medicare Provider Contact Center (PCC) will be closed Tuesday, December 24, 2024, and Wednesday, December 25, 2024, in observance of the Christmas holidays.","URL":"","Target":null,"Color":"blue","Mode":"Standard\n","Priority":"no"}, {"DID":"crit3d3234","Sites":"Railroad Medicare","Start Date":"05-27-2022 13:36","End Date":"05-30-2022 21:36","Content":"The Palmetto GBA Provider Contact Center (PCC) will be closed Monday, May 30, 2022, in observance of Memorial Day","URL":"","Target":"_self","Color":"blue","Mode":"Standard\n","Priority":"yes"}, {"DID":"crit4d5bec","Sites":"Railroad Medicare","Start Date":"01-03-2024 14:43","End Date":"01-06-2024 14:43","Content":"Due to a system issue identified January 3, 2024, payments dated January 4 and January 5, 2024, will be delayed. Claims and payments originally scheduled for payment these days will now be paid January 8, 2024.","URL":"","Target":"_self","Color":"yellow","Mode":"Standard\n","Priority":"yes"}, {"DID":"crit5aba12","Sites":"JJA^JJB^JMA^JMB^JMHHH^Railroad Medicare","Start Date":"05-19-2025 09:47","End Date":"05-19-2025 14:00","Content":"Alert - eServices Claim status currently may be unavailable. We will remove this message once the issue is resolved.","URL":"","Target":"_self","Color":"red","Mode":"Standard\n","Priority":"yes"}, {"DID":"critd13a1b","Sites":"Railroad Medicare","Start Date":"12-27-2024 11:32","End Date":"01-02-2025 05:33","Content":"The Palmetto GBA Railroad Medicare Provider Contact Center (PCC) will be closed on January 1, 2025, in observance of the New Year's Day holiday.","URL":"","Target":"_self","Color":"blue","Mode":"Standard\n","Priority":"no"}, {"DID":"critd334c4","Sites":"Railroad Medicare","Start Date":"01-14-2025 08:12","End Date":"01-20-2025 19:00","Content":"The Palmetto GBA Railroad Medicare Provider Contact Center (PCC) will be closed on Monday, January 20, 2025, in observance of the Martin Luther King Jr. Day holiday.","URL":"","Target":null,"Color":"blue","Mode":"Standard\n","Priority":"no"}, {"DID":"crite321e5","Sites":"Railroad Medicare","Start Date":"01-21-2025 14:26","End Date":"01-23-2025 17:30","Content":"Call volume may be higher than normal due to inclement weather. To get faster service, please use our self-service tools available on our website and IVR.","URL":"","Target":"_self","Color":"yellow","Mode":"Standard\n","Priority":"no"}, {"DID":"crite35ca3","Sites":"Railroad Beneficiaries^Railroad Medicare","Start Date":"02-16-2024 14:21","End Date":"02-16-2024 16:30","Content":"The Palmetto GBA RRB SMAC Provider Contact Center (PCC) will be open and available to take your calls on President's Day, Monday, February 19, 2024.","URL":"","Target":null,"Color":"blue","Mode":"Standard\n","Priority":"no"}

National Correct Coding Initiative

Published 06/16/2025

Find more National Correct Coding Initiative (NCCI) PTP FAQs in the CMS Medicare NCCI FAQ Library.

Last Reviewed: 06/16/2025

NCCI procedure-to-procedure (PTP) code pair edits are automated prepayment edits that prevent improper payment when certain codes are submitted together for Part B-covered services.

Last Reviewed: 06/16/2025

CMS publishes the PTP code pairs on their website in files that are available on the NCCI PTP Coding Edits page. Look for the Practitioner PTP Edits links at the bottom of the page. The PTP edit tables are divided by CPT®/HCPCS code ranges that are identified in the file name. The tables are organized with each PTP code pair separated into Column 1 and Column 2 codes, with the effective date, deletion date (if applicable), CCI Modifier (CCMI) Indicator, and PTP Edit Rationale for the code pair.

You can also use the Palmetto GBA National Correct Coding Initiative PTP Edits Tool. Simply enter a CPT® or HCPCS code to find the associated code pairs with the Effective Date, Deletion Date (if applicable), Modifier/Policy Indicator, and PTP edit rationale for each code pair.

Last Reviewed: 06/16/2025

Please see the CMS MLN "How to Use the Medicare National Correct Coding Initiative (NCCI) Tools" booklet.

Last Reviewed: 06/16/2025

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CMS Medicare NCCI FAQ Library

What are National Correct Coding Initiative procedure-to-procedure edits?

Where can I find a list of HCPCS/CPT^® codes that are subject to NCCI PTP code pair edits?

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National Correct Coding Initiative

CMS Medicare NCCI FAQ Library

What are National Correct Coding Initiative procedure-to-procedure edits?

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Where can I find instructions for using the NCCI PTP code pair tables?

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Where can I find a list of HCPCS/CPT^® codes that are subject to NCCI PTP code pair edits?