100 new ICD-9 codes issued, effective October 1

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

Article Overview

This article covers a large set of ICD-9 diagnosis code updates effective October 1, 2000, including newly issued codes, invalid diagnosis codes, and revised diagnosis code titles. It also discusses HCFA’s emphasis on greater diagnosis specificity in encounter data. The piece is relevant to coders, billing staff, compliance teams, and managed care organizations tracking ICD-9-CM changes and documentation trends.

Why This Topic Matters

ICD-9 updates can affect diagnosis reporting, claims processing, and data quality. Articles like this help coding and compliance teams identify which code lists were changed and understand the broader administrative focus behind the update.

Article Sections

  1. Policy context and specificity in diagnosis reporting

    Introduces the administrative context behind the update and the broader emphasis on more specific diagnosis reporting. It frames the article for readers tracking managed care and coding compliance changes.

  2. New ICD-9 codes issued, effective Oct. 1, 2000

    Lists newly issued ICD-9 diagnosis codes scheduled to take effect on the stated date. The section presents the added codes by number and title.

  3. Invalid Diagnosis Codes

    Identifies diagnosis codes that are being treated as invalid in the update. This section is organized as a reference list for comparison and cleanup of code sets.

  4. Revised Diagnosis Code Titles

    Shows diagnosis codes whose titles were revised in the update. The section is intended to help readers track changes to existing ICD-9 terminology.

What You Will Learn

  • The scope of an ICD-9 diagnosis code update issued for an October 1, 2000 effective date
  • How the article frames HCFA’s focus on diagnosis specificity
  • Which categories of code changes are included in the update
  • How the article organizes new, invalid, and revised diagnosis entries

Who Should Read This

  • Medical coders
  • Billing staff
  • Compliance teams
  • Managed care organizations
  • Healthcare administrators

Codes Discussed


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