September 16, 2025
FISS DDE Screen Changes – October 2025
The October 2025 quarterly system release, scheduled for production on October 6, 2025, includes the Fiscal Intermediary Standard System (FISS) Direct Data Entry (DDE) screen changes below.
Please share this information with appropriate staff.
Eligibility Detail & CWF Inquiry
To access these screens:
- Select ‘01’ (Inquiries).
- Select ‘10’ (Beneficiary/CWF).
- Key the beneficiary’s:
- Medicare ID number (MID)
- Last name (LN)
- First name (FN)
- Sex (SEX)
- Date of birth (DOB)
- Date(s) of service (ELIG FROM and ELIG THRU).
- Press Enter.
Description:
- MAP1751, MAP1752, MAP1755 & MAP1756: Monetary amount fields will accommodate 10-digit dollar amounts. See the CMS instruction
for details. - MAP175J: CT colonography (COLO/74263) and next eligible date (if applicable) will display. See MM14031
for additional guidance.

Reason Codes Inquiry (MAP1881)
To access this screen:
- Select ‘01’ (Inquiries).
- Select ‘17’ (Reason Codes).
Description:
New fields for two additional MSN codes and associated effective and termination dates will be available.


