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FISS Chapter 1

Chapter 1 – Overview

What is DDE?

The Fiscal Intermediary Standard System (FISS) is the claims processing system that Medicare Administrative Contractors (MACs) use to process Medicare Part A, home health, and hospice billing transactions.

Direct Data Entry (DDE) is an online system that providers can use to:

  • Key and submit original claims to FISS.
  • Determine a claim’s status in FISS.
  • Research claim errors and submit corrections to FISS.
  • Verify beneficiary eligibility information on the Common Working File (CWF).

DDE Availability

Monday – Friday, 6 am – 9 pm ET (5 am – 8 pm CT)
Saturday, 6 am – 6 pm ET (5 am – 5 pm CT)
Not available on Sunday or federal holidays.

Note: This schedule may vary due to nightly cycles, quarterly releases, or other technical reasons.

DDE Access

EDI enrollment: CGS provides free software once you complete the enrollment process (see HHH EDI Enrollment or Part A EDI Enrollment).

For questions or assistance, please contact the EDI Help Desk:

  • J15 HHH: 1.877.299.4500 (option 2)
  • J15 Part A Kentucky/Ohio: 1.866.590.6703 (option 2)

Connectivity Vendor: You must also contract with a vendor to establish direct connection to the Enterprise Data Center (EDC) for DDE access through a connectivity product.

The EDI Help Desk doesn’t provide support for your connectivity product. Please contact your connectivity vendor for any issues related to your direct connection.

Annual DDE Recertification: To maintain access, you must complete the Annual DDE PPTN Recertification form each year. CGS will post notifications on our website and send electronic mailing list messages with details.

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User ID & Password

Once connection is established, EDI will issue a user ID and password required to log in (instructions below).

For security issues or password resets, please contact the CGS Security Administration Team:

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Log In

Open the application on your desktop.

Login

Type 2 and press Enter.

Type 2

To log in:

  • Type your user ID and press Tab.
  • Type your password and press Enter.

KLKNA10 CREDENTIAL NOT AUTHORIZED error message: The user ID or password is invalid.

To change your password:

  • Type your user ID and press Tab.
  • Type your current password and press Tab.
  • Type a new password and press Enter.

Change PW

If your password expires or you change your password: Type your new password twice and press Enter.

KLKNA105 NEW CREDENTIAL INVALID error message: The new password is invalid.

Invalid PW

Options to select a session:

  • Place your cursor anywhere on the session line and press Enter.
  • Tab to a session line, type s (blank field left of Sessid), and press Enter.

Type S

Type fss0 and press Enter.

Type fss0

The Main Menu displays.

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DDE Navigation

Use the function keys on your keyboard to navigate within the DDE system. Each screen lists the specific functions available at the bottom of the page.

F1

Help

On a claim page, the reason code description displays.

F2

171D or 1712

Toggle between claim page 02 and MAP171D (contains line item details, including reason codes assigned at the revenue code line level).

F3

Exit

Exit to prior screen or to end session.

F5

Up/Scroll Backward

Scroll up (backward) on the page.

F6

Down/ Scroll Forward

Scroll down (forward) on the page.

F7

Previous

Go back to the prior page.

F8

Next

Go to the next page.

F9

Update

Submit claim.
If information is missing or incorrect, a reason code will display. Make any necessary corrections and press F9 again.

F10

Left

Go one page to the left.

F11

Right

Go one page to the right.

Note: If your results vary, please contact your connectivity vendor for assistance in mapping your keyboard.

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Session Time Out

If the session remains inactive, the CL/SS Menu will display. You can:

  • Temporarily lock your screen.
  • Resume or exit.

Session Time Out

To temporarily lock your screen, type LO on the Command line, and press Enter.

Type LO

To unlock the screen, type your password, and press Enter.

Type PW

To resume or exit:

  • Press F3 to display the pop-up Exit Menu.
  • To exit:
    • Place your cursor on the Exit line; press Enter.
    • Or, type X on the Command line; press Enter.
  • To resume:
    • Place your cursor on the Resume line; press Enter.
    • Or, type R on the Command line; press Enter.

If you don’t do anything, the CL/SS Menu will time out, and the initial login screen will display.

Login Screen

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