Expansion of Fields For ICD-9-CM Codes on UB-82

The Health Care Financing Administration (HCFA) has announced that effective October 1, 1991, it will accept up to nine diagnosis and six procedure codes on inpatient bills. Although the current Form UB-82 (the paper billing form used for Medicare discharges) contains fixed fields for only five diagnoses and three procedures, instructions that accompany the UB-82 explain how to report the additional codes. The electronic billing formats were changed in time for hospital reporting of nine diagnoses and six procedures on October 1, 1991. The National Uniform Billing Committee, of which HCFA is a member, is in the process of...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article explains a Medicare billing update from HCFA about expanded inpatient claim fields tied to ICD-9-CM reporting on the UB-82 form. It outlines the shift in how many diagnosis and procedure codes can be reported, references the role of the National Uniform Billing Committee, and notes related guidance from UHDDS and Coding Clinic for ICD-9-CM. The piece is relevant to hospitals, billing staff, and coding professionals tracking claim form changes and implementation dates.

Why This Topic Matters

The article helps providers understand a Medicare billing change that affects inpatient claim reporting workflows and system readiness. It is useful for organizations coordinating paper-form updates, electronic billing adjustments, and compliance with revised reporting expectations.

What You Will Learn

  • How HCFA addressed expanded inpatient diagnosis and procedure field capacity
  • What organizations and guidance sources were involved in the reporting update
  • How the timing of paper and electronic billing changes was described
  • Which hospitals and billing stakeholders were expected to adjust reporting processes

Who Should Read This

  • Hospital coders
  • Inpatient billing staff
  • Revenue cycle managers
  • Compliance teams
  • Health information management professionals

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