Modifier 25 fact sheet
Specific guidelines apply to the proper application and billing of modifier 25.
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Ending AX modifier requirements for acute kidney injury (AKI) and end stage renal disease (ESRD)
Effective July 1, 2026, new billing instructions apply related to no longer submitting the AX modifier and hemodiafiltration and...
Modifiers
View details regarding specific modifiers including tips, decision flowcharts, and educational information.
Modifier 62 fact sheet
Surgeons append modifier 62 to claims indicating they were co-surgeons on the same patient during the same operative session...
Telehealth service modifiers
Telehealth modifiers should be submitted with distant site telehealth services. Patient must be present and participating in...
Acute kidney injury
Read this article, which provides billing guidance for acute kidney injury.
Customer service hours of availability for U.S. Virgin Islands and Puerto Rico providers
With daylight saving time beginning, the Provider Contact Center hours of operation will be modified for providers in the U.S...
First Coast holiday schedule
This schedule lists holiday closures for the First Coast offices and provider contact centers responsible for serving providers...
Provider inquiry checklist
Need to know what information you should have on hand when calling First Coast? Be prepared when contacting us, by using this...