AHA Coding Clinic® for ICD-9 - 2002 Fourth Quarter
VOLUMES 1 AND 2 NEW/REVISED DIAGNOSIS CODES
New Tabular Convention Effective October 1, 2002, a new convention providing sequencing instruction has been introduced in Volume 1 (Tabular List of Diseases) of the ICD-9-CM. The instruction can be found following a code as: Code, if applicable, any causal condition first: This note indicates that if a causal condition were present, it would be sequenced before the code to which this note is attached. However, a code with this note may be sequenced as a first-listed code or principal diagnosis, if no causal condition is applicable or known. Example: 707.1 Ulcer of lower limb, except decubitus Revise...
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Article Overview
This article explains a change to ICD-9-CM Volume 1 tabular sequencing guidance that became effective October 1, 2002. It is relevant to coders, auditors, and billing staff who work with diagnosis coding updates and need to understand how new tabular notes and revised diagnosis entries are presented in the manual. The article includes a brief example showing how the new convention appears in practice and identifies associated diagnosis code revisions.
Why This Topic Matters
Updates to tabular conventions can affect diagnosis sequencing and documentation interpretation. Reviewing this kind of change helps coding professionals stay aligned with official ICD-9-CM revisions and avoid inconsistent reporting.
Article Sections
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New Tabular Convention
Introduces the updated ICD-9-CM tabular sequencing note and explains the general purpose of the new instruction format. The section also includes a short example illustrating how revised diagnosis entries are presented.
What You Will Learn
- What changed in the ICD-9-CM tabular convention update
- How a revised sequencing note is presented in the tabular list
- How the article frames a simple diagnosis-coding example
- What types of diagnosis entries were revised alongside the update
Who Should Read This
- Medical coders
- Coding auditors
- Billing and reimbursement staff
- Clinical documentation teams
Codes Discussed
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