AHA Coding Clinic® for ICD-9 - 2011 Quarter 3; Ask the Editor
Nonessential Modifiers
Please clarify whether nonessential modifiers in the Index to Diseases apply to subterms following a main term. Coders at our facility have different opinions on coding a diagnosis of "GI bleeding due to ischemic colitis." For example, the main term "colitis" has several nonessential modifiers, including "(hemorrhagic)." Does this nonessential modifier apply to the subterm under colitis, "ischemic"? One could assume that the nonessential modifier applies only to colitis and the default code 558.9 . This issue has not been addressed in the Official Guidelines for Coding and Reporting . According to Coding Clinic Second Quarter 2008, pages 15-16, "GI bleeding due to acute ischemic colitis is assigned code 557.0 , Acute vascular insufficiency of intestine." The previously published advice precluded the coding of hemorrhage because of the inclusion term in the Tabular List, but we are wondering about other subentries under colitis where there is not an inclusion term in the Tabular List. ...
Subscribe or sign in to view the full article.
Article Overview
This article addresses a diagnosis coding question about the scope of nonessential modifiers in the ICD-9-CM Index to Diseases, with reference to Coding Clinic guidance. It is intended for coders and coding educators who need clarification on index structure, terminology interpretation, and related reporting guidance for a specific clinical documentation scenario.
Why This Topic Matters
Understanding how nonessential modifiers relate to index terms can affect diagnosis code assignment and reduce inconsistent coding practices when documentation contains nested terms or ambiguous descriptors.
What You Will Learn
- How the article frames the question of nonessential modifiers in the disease index
- Why coder interpretation can differ when a main term includes subterms
- How external coding guidance is used to address the issue
- What type of documentation scenario prompted the clarification
Who Should Read This
- Medical coders
- Coding educators
- Coding auditors
- Health information management staff
Codes Discussed
Subscribe or sign in to view the full article.
Quick, Current, Complete - www.findacode.com