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Common inquiries - Part A

March 30, 2026
Reduce the time it takes to answer your Medicare question by viewing common Part A inquiries received by customer service.

Tips to prevent reject reason code U5233

March 31, 2026
Read this article for tips on how to prevent reject reason code U5233.

Tips to prevent claim adjustment reason code (CARC)s 54NCD or 53NCD

March 31, 2026
Read this article for tips to prevent claim adjustment reason code (CARC)s 54NCD or 53NCD.

Submitting claims when the dollar amount exceeds $99,999.99

March 16, 2026
First Coast has seen an increase in claims for drugs, hemophilia clotting factors, and skin substitutes that exceed the dollar amounts above $99,999.99. Effective for claims received on or after November 6, claims missing the required infor…

Tips to prevent RUC CO 24

March 16, 2026
Read this article for tips on how to prevent RUC CO 24.

Ambulatory surgical center (ASC) pass-through devices

March 17, 2026
Pass-through status is determined for newly FDA-approved drug and device products on an individual basis. Review this article for more details on pass-through devices in an ambulatory surgical center (ASC).

Modifiers applicable to ambulatory surgical centers (ASCs)

March 17, 2026
Payment for ambulatory surgical centers (ASCs) are made under a separate payment system. As such, certain modifiers are specific to ASCs. This article explores these modifiers.

Tips to prevent reason code 326x4

March 17, 2026
Review this article if your claim is returning for reason code 326x4.

Tips to prevent RTP 12206

March 17, 2026
Read this article for tips on how to prevent RTP 12206.

Tips to prevent RTP 30949

March 17, 2026
Read this article for tips on how to prevent RTP 30949.
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