AHA Coding Clinic® for ICD-9 - 2005 Issue 4; VOLUMES 1 AND 2 NEW/REVISED CODES
Renal Insufficiency
Effective October 1, 2005, chronic renal insufficiency is indexed to code 585.9, Chronic kidney disease, unspecified, while acute renal insufficiency continues to be indexed to code 593.9, Unspecified disorder of kidney and ureter. Prior to this change both acute and chronic renal insufficiencies were indexed to code 593.9. Following finalization of the addenda, it was determined that a specific index entry will be added next year for unspecified renal insufficiency. Until the new index entry is created, assign code 593.9, Unspecified disorder of kidney and ureter for unspecified renal insufficiency. 593 Other disorders of kidney...
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Article Overview
This article covers a coding index update related to renal insufficiency terminology and how the indexing changed across effective dates. It is intended for coding professionals who need to track diagnosis index updates, cross-references, and related renal disease terminology in ICD-9-CM guidance.
Why This Topic Matters
Renal diagnosis terminology can be indexed differently depending on whether the condition is acute, chronic, or unspecified, and those indexing changes can affect code lookup and consistency. This article helps readers understand the scope of the index update and the surrounding renal disease entries without substituting for the full premium guidance.
What You Will Learn
- How the article frames renal insufficiency indexing changes over time
- What categories of renal terminology are being updated in the diagnosis index
- How related kidney and ureter index entries are being revised at a high level
- What effective-date context is associated with the update
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation improvement staff
- Healthcare billing professionals
Codes Discussed
Code Ranges Discussed
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