AHA Coding Clinic® for ICD-9 - 2006 Issue 4; VOLUMES 1 AND 2 NEW/REVISED CODES
Mild Cognitive Impairment
Effective October 1, 2006, a new code has been created to identify mild cognitive impairment (331.83). Mild cognitive impairment (MCI) is a condition defined as diminished memory (or any other cognitive domain) that is beyond what is considered normal for age, with relatively intact functioning in the other cognitive domains. The standard criteria for diagnosing mild cognitive impairment include the following: Memory complaint, preferably corroborated Objective memory impairment for age Relatively preserved general cognition for age Essentially intact activities of daily living No dementia By definition, a person with MCI has memory problems greater than expected with normal...
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Article Overview
This article covers the introduction of a new diagnosis code for mild cognitive impairment, the general clinical concept behind the condition, and the surrounding ICD-9-CM classification context. It is relevant to coding professionals, clinicians, and auditors who need to understand how the condition is distinguished from other cognitive and neurologic diagnoses and what documentation context the article references.
Why This Topic Matters
Mild cognitive impairment can be confused with other memory, cognitive, and dementia-related conditions. Understanding the classification context helps readers identify when the article’s guidance is relevant and how the condition is situated within the broader diagnosis structure.
Article Sections
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Effective date and new code introduction
Introduces the timing of the coding change and the general subject of the new diagnosis category.
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Clinical overview of mild cognitive impairment
Summarizes the condition’s general clinical features and the broad criteria discussed in the article.
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Coding context and excludes notes
Describes the surrounding diagnosis classification context and the related conditions referenced in the exclusion guidance.
What You Will Learn
- The general clinical concept of mild cognitive impairment
- The coding context in which the diagnosis is introduced
- The kinds of related diagnoses discussed alongside the new code
- The significance of the effective date referenced in the article
Who Should Read This
- Medical coders
- Coding auditors
- Clinicians documenting cognitive concerns
- Revenue cycle and compliance staff
Codes Discussed
Code Ranges Discussed
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