• Introduction
  • Purpose of FISS/DDE Provider Online Guide
  • Accessing the Common Working File
  • Electronic Submissions
• Chapter I - Online System Terminology
  • Medicare Number
  • Document Control Number
  • Processing Drivers and System Claim Paths
  • Claim Status and Location Codes
  • Reason Codes
• Chapter II - Online Menu Functions Overview
  • Main Menu
  • Inquiries Submenu
  • Claims/Attachments Submenu
  • Claims Correction Submenu
  • Online Reports View Submenu
  • Online Menu Selection Quick-Reference Guide
• Chapter III - Navigating the Online System
  • Screen Movements
  • Program Function Keys
  • Printing FISS Screens
• Chapter IV - Inquiries Submenu (01)
  • Accessing the Inquiries Submenu
  • Beneficiary/CWF (10)
  • DRG (Pricer/Grouper) (11)
  • Claim Summary (12)
  • Revenue Codes (13)
  • HCPCS Codes (14)
  • DX/Proc Codes ICD-9 (15)
  • Adjustment Reason Codes (16)
  • Reason Codes (17)
  • ZIP Code File (19)
  • OSC Repository Inquiry (1A)
  • Claim Count Summary (56)
  • Home Health Payment Totals (67)
  • ANSI Reason Codes (68)
  • Invoice Number/DCN Translator (88)
  • DX Proc Codes ICD-10 (1B)
  • Community Mental Health Centers Services Payment Totals (1C)
  • Check History (FI)
  • Provider Practice Address Query (1D)
  • New HCPCS Screen (1E)
  • Opioid Use Disorder (OUD) Demo 99 (1F)
• Chapter V - Claims and Attachments Submenu (02)
  • Claim Data Entry
  • Roster Bill Entry (87)
  • ESRD CMS-382 Form Attachment (57)
• Chapter VI - Claims Correction Submenu (03)
  • Pacemaker Attachment (42)
  • Ambulance Attachment (43)
  • Home Health Attachment (45)
• Chapter VII - Online Reports View Submenu (04)
  • Summary of Reports (R1)
  • View a Report (R2)
  • About the 050 Claims Returned to Provider
  • About the 201 Pend Report
  • About the 702 ACS Appeals Received Report
  • Credit Balance Report - CMS 838 (R3)
• Resources
  • Part A Electronic Medicare Secondary and Tertiary Payer Specifications for ANSI Inbound Claim
  • Electronic Medicare Secondary Payer Specifications for Inbound Claims
  • FISS UB-04 Data Entry Payer Codes
  • Common Claim Status/Locations
  • FISS Reason Code Overview
  • FISS Reason Code/Claim Driver Overview
  • Program Function/Escape Key Crosswalk
  • How to Adjust a Claim
  • FISS Claim Change/Condition Reason Codes
  • How to Cancel a Claim
  • How to Correct a Return to Provider Claim
  • Online System Menu Quick-Reference