AHA Coding Clinic® for ICD-9 - 1993 Second Quarter
Pneumothoraces
A pneumothorax is air in the pleural space, that is, air between the lung and the chest wall. Normally the pleural space is occupied by only a small amount of lubricating fluid between the visceral and parietal pleural surfaces. The pressure within that space is less than normal atmospheric pressure, which is an essential physiologic requirement for the maintenance of lung inflation. The term "negative pressure" is often used, but it is scientifically incorrect. Any breach in the integrity of the chest wall or visceral pleura covering the lung, which allows air to enter the pleural space, can lead...
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Article Overview
This article discusses pneumothorax as a clinical condition and outlines the major categories of pneumothoraces, including spontaneous, iatrogenic, and traumatic forms. It is aimed at coders and others reviewing respiratory complication documentation, and it includes coding references, diagnosis-related context, and selected update notes tied to the code set used in the source.
Why This Topic Matters
Pneumothorax cases can involve different causes and documentation patterns, so understanding the article helps users orient to the relevant respiratory complication category before reviewing the full coding guidance.
Article Sections
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Overview of pneumothorax
Introduces pneumothorax as a clinical condition and summarizes the broad physiologic context of pleural air accumulation and lung collapse. It also identifies the major cause categories discussed in the article.
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Pneumothorax, spontaneous
Covers spontaneous pneumothorax and the clinical contexts associated with it. The section includes coding references and a brief discussion of related clinical circumstances.
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Pneumothorax, iatrogenic
Introduces iatrogenic pneumothorax and references the related complication code family. It also includes a note about a later code-set expansion affecting respiratory complications.
What You Will Learn
- The broad clinical definition and categories of pneumothorax
- How the article frames spontaneous, iatrogenic, and traumatic pneumothoraces
- Which diagnosis code set is referenced in connection with the article topics
- What kinds of coding updates and complication categories are mentioned in the source
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation reviewers
- Healthcare billing professionals
Codes Discussed
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