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CMS-1500 (02/12) data element requirements

December 23, 2025
This document discusses the conditions and requirements of the Item fields within the revised CMS-1500 (02/12) paper claim form and the electronic equivalent elements.

Providers billing for drug Octagam HCPCS code J1568

December 23, 2025
Did you know the leading reason why the Recovery Audit Contractor denies the drug Octagam during a medical review is for lack of documentation? Learn more about preventing unnecessary denials.

Claim submission & status

December 23, 2025
First Coast offers several options for claim submission and status. Submitting electronically saves time, reduces costs, and provides immediate confirmation of receipt. 

Medicare Beneficiary Identifier - get it, use it

December 23, 2025
There are three ways to obtain the Medicare Beneficiary Identifier (MBI), which is effective when the beneficiary was or is eligible for Medicare.

Tips to prevent RUC CO 109

December 23, 2025
Read this article for tips on how to prevent RUC CO 109.

Tips to prevent claim adjustment reason code (CARC) 54MUE

December 23, 2025
Read this article for tips on how to prevent claim adjustment reason code (CARC) 54MUE.

Billing unlisted drug procedure codes J3490 and J9999

December 23, 2025
When billing for unlisted drug codes, include the name, strength, and dosage of the drug.

Tips to prevent claim adjustment reason code (CARC) CO 50/PR 50

December 23, 2025
To increase the number of claims that successfully process and enhance cash flow, we are providing you with the top reasons claims denied with tips and resources to help you avoid many of these errors.

Avoid rejection of paper claims

December 23, 2025
First Coast made changes to how we handle paper claims marked for "other insurance". Review this article to avoid claim rejections of this kind.

How contractors may request assistance with overlapping claims

December 23, 2025
This document outlines instructions -- for Medicare administrative contractors -- regarding how to request assistance from First Coast to resolve an overlapping claim.
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