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DDE Manual

Refer to the following chapters of the DDE Manual for detailed information about the Fiscal Intermediary Standard System (FISS) and how to correct and enter claims, check claim status and eligibility.

Chapter One: FISS Overview PDF

This chapter provides a FISS overview, including information about direct access to Direct Data Entry (DDE), system sign-on/sign-off procedures, menu options, function keys, shortcuts, and common status and locations.

Chapter Two: Checking Beneficiary Eligibility PDF

This chapter explains how to access beneficiary eligibility information via the Common Working File (CWF) screen, ELGA., to verify and ensure correct information is submitted on your Medicare claim. Screen examples and field definitions are provided.

Chapter Three: Inquiry Menu PDF

Chapter Three provides information about the inquiry options available in FISS, such as checking the status of claims, including how to check for Additional Development Requests (ADRs), claim count summary, Medicare check history, , and viewing inquiry screens to check the validity of diagnosis codes, revenue codes, and HCPCS codes.

Chapter Four: Claims and Attachments Menu PDF

This chapter includes instructions, screen illustrations, and field descriptions on how to enter UB-04 claim information, including roster bill data entry.

Chapter Five: Claims Correction PDF

Access this chapter for instructions, screen illustrations, and field descriptions on how to correct claims that are in the Return to Provider (RTP) file, adjust claims, and cancel a claim.


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