AHA Coding Clinic® for ICD-9 - 2011 Issue 4; VOLUMES 1 & 2 NEW/REVISED CODES
Respiratory and Digestive System Complications
Effective October 1, 2011, subcategory 997.3, Respiratory complications, has been expanded to create a new code, 997.32, Postprocedural aspiration pneumonia, to uniquely capture this condition and distinguish it from other respiratory complications. Code 997.32 includes chemical pneumonitis and Mendelson’s syndrome when they result from a procedure. In addition, code 997.4, Digestive system complications, has also been expanded to create new code 997.41, Retained cholelithiasis following cholecystectomy. This code will allow the reporting of this situation which is not uncommon following laparoscopic cholecystectomy. The gallstones may fall into the abdominal cavity or...
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Article Overview
This article reviews changes to ICD-9-CM complication coding in the respiratory and digestive system categories, with emphasis on newly created postoperative codes, related excludes notes, and updated category structure effective October 1, 2011. It is useful for coders, billing staff, CDI professionals, and compliance teams who need to understand how the revision affects reporting of postoperative complications and related scenarios. The article also addresses a coding question about postoperative aspiration pneumonia at a general level without presenting the full premium guidance.
Why This Topic Matters
Accurate classification of postoperative complications affects code selection, claim processing, and coding consistency. The article helps readers understand how the 2011 ICD-9-CM updates changed the way certain respiratory and digestive complications are represented.
Article Sections
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ICD-9-CM respiratory complication updates
This section summarizes changes within the respiratory complication category and the creation of a new postoperative respiratory complication code. It also notes related classification edits and excludes language.
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ICD-9-CM digestive system complication updates
This section covers changes within the digestive system complication category, including a new postoperative code and related category updates. It also references linked excludes notes for adjacent procedure categories.
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Coding question: postoperative aspiration pneumonia
This section presents a general coding inquiry about postoperative aspiration pneumonia and discusses the applicable reporting approach at a high level. It frames the issue in relation to specificity and postoperative complication classification.
What You Will Learn
- How the 2011 ICD-9-CM complication revisions affected respiratory and digestive system categories
- Which broad types of postoperative complications were newly distinguished in the classification
- How the article frames a postoperative aspiration pneumonia coding question
- How excludes notes and related category changes are presented in the update
Who Should Read This
- Medical coders
- Coding auditors
- Billing staff
- Clinical documentation improvement professionals
- Compliance teams
Codes Discussed
Code Ranges Discussed
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