AHA Coding Clinic® for ICD-9 - 2008 Issue 4; VOLUMES 1 AND 2 NEW/REVISED CODES
Invasive and Noninvasive Mechanical Ventilation
Effective October 1, 2008, revisions have been made to the code titles and instructional notes for code 93.90, Continuous positive airway pressure [CPAP] and category 96.7, Other continuous mechanical ventilation. The code title for code 93.90 has been revised to “Noninvasive mechanical ventilation.†Mechanical ventilation is classified as noninvasive (93.90) when delivered via a noninvasive interface like a face mask, nasal mask, nasal pillow, oral mouthpiece or oronasal mask, or without an endotracheal tube or tracheostomy. Types of respiratory assistance considered noninvasive mechanical ventilation include continuous positive airway pressure...
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Article Overview
This article explains coding updates for respiratory therapy under ICD-9-CM that distinguish noninvasive from invasive mechanical ventilation and revise related instructional notes and index references. It is relevant for coding professionals, CDI teams, and respiratory therapy stakeholders who need to understand how the 2008 changes affect category and code structure, terminology, and documentation alignment. The article focuses on the updated organization of the ventilation codes, associated inclusions and exclusions, and related guidance for ventilation-related terminology.
Why This Topic Matters
Mechanical ventilation coding changed in a way that affects how respiratory support is classified and documented. Understanding the revised structure helps support accurate code assignment and consistent interpretation of ventilation terminology in clinical records.
Article Sections
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Overview of 2008 revisions
Introduces the scope and timing of the coding changes affecting mechanical ventilation classification. Summarizes the general areas updated in the respiratory therapy chapter and related indexing.
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Noninvasive mechanical ventilation updates
Covers the revised noninvasive ventilation code title, related inclusions and exclusions, and associated interface terminology. Also notes the updated guidance affecting this portion of respiratory therapy coding.
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Invasive mechanical ventilation updates
Covers the revised invasive ventilation category and the associated inclusion and exclusion updates. Also addresses the subdivision structure for duration-based reporting within this area.
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Index guidance for ventilation terms
Summarizes the revised index direction for ventilation-related terminology. Highlights how the article connects indexed terms to the updated invasive and noninvasive code structure.
What You Will Learn
- How the article organizes 2008 revisions to mechanical ventilation coding
- Which parts of ICD-9-CM respiratory therapy coding were updated
- What types of guidance were added or revised for ventilation-related terminology
- How the article distinguishes the noninvasive and invasive ventilation code groupings at a high level
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation improvement specialists
- Respiratory therapists
- Revenue cycle professionals
Codes Discussed
Code Ranges Discussed
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