AHA Coding Clinic® for ICD-9 - 2011 Issue 4; VOLUMES 1 & 2 NEW/REVISED CODES
Unspecified Dementia and Behavioral Disturbances
Effective October 1, 2011, two new codes have been created to classify unspecified dementia with (code 294.21) or without (code 294.20) behavioral disturbance. These codes will be used to identify the presence or absence of behavioral disturbances when the etiology of the dementia is not known. 294 Persistent mental disorders due to conditions classified elsewhere New subcategory 294.2 Dementia, unspecified Excludes: mild memory disturbances, not amounting to dementia (310.89) New code 294.20 Dementia, unspecified, without behavioral disturbance Dementia NOS New code 294.21 Dementia, unspecified, with behavioral disturbance Aggressive behavior Combative behavior Violent behavior...
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Article Overview
This article explains a coding update for unspecified dementia in ICD-9-CM and discusses how the topic is framed around the presence or absence of behavioral disturbance when the dementia cause is not documented. It is intended for coders, auditors, and clinical documentation professionals who need to understand the scope of the change, the classification context, and the kind of documentation issues the article addresses.
Why This Topic Matters
Accurate dementia coding depends on documentation specificity and the distinction between unspecified dementia presentations. This topic matters because it affects code selection, record abstraction, and consistency in applying diagnosis classification guidance.
Article Sections
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Effective Date and Coding Update
Introduces the time frame for the classification change and the overall coding topic being addressed.
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Classification Context and New Subcategory
Places the topic within the broader dementia classification structure and identifies the new subcategory discussed in the article.
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Clinical Documentation Example
Presents a brief hospital-based scenario involving mental status changes and behavioral presentation to illustrate the documentation context covered by the article.
What You Will Learn
- The general ICD-9-CM classification context for unspecified dementia
- How the article frames behavioral disturbance as a documentation distinction
- The type of documentation scenario used to illustrate the coding topic
- The effective date associated with the coding update
Who Should Read This
- Medical coders
- Coding educators
- Clinical documentation improvement professionals
- Auditors and compliance staff
Codes Discussed
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