AHA Coding Clinic® for ICD-9 - 1997 Third Quarter; Clarifications
Coronary Artery Bypass
The Central Office on ICD-9-CM has received several inquiries regarding the answer given in Coding Clinic, Second Quarter 1996, regarding coronary artery bypass. The operative report in question states that the patient had a coronary artery bypass times four using exclusively arterial conduits: left internal mammary artery to the LAD, in situ right gastroepiploic artery anastomosis to the right posterior descending, two separate grafts using left radial artery to the obtuse marginal and to the first diagonal arteries. The correct code assignments should be as follows: 36.12, Aortocoronary bypass of two coronary arteries 36.15, Single internal mammary-coronary...
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Article Overview
This article explains a Coding Clinic clarification about coronary artery bypass reporting in ICD-9-CM. It reviews how different bypass approaches were categorized, notes the procedure code changes tied to an effective date, and indicates that the guidance superseded an earlier Coding Clinic item. The content is relevant to inpatient coders, CDI professionals, and others working with cardiac surgery documentation and historical ICD-9-CM procedure coding guidance.
Why This Topic Matters
Accurate classification of coronary artery bypass procedures depends on recognizing which vessel source and bypass approach were documented. This article helps readers understand the scope of the clarification and the historical coding context for cardiac surgery reporting.
Article Sections
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Coding Clinic inquiry and operative report context
Introduces the clarification request and summarizes the operative scenario that prompted review. The section establishes the general procedure context and the type of documentation being discussed.
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Procedure coding clarification
Explains the coding approach applied to the bypass procedures discussed in the case. It addresses the broader distinctions among the types of coronary bypass approaches referenced in the article.
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Effective date and superseding guidance
Notes the effective date tied to the procedure code update and identifies the earlier Coding Clinic material that was superseded. The section places the clarification in its historical coding context.
What You Will Learn
- How the article frames a coronary artery bypass coding clarification in ICD-9-CM
- The general distinctions among bypass approaches discussed in the guidance
- Which historical coding update and effective date are referenced
- How the article situates the clarification relative to earlier Coding Clinic guidance
Who Should Read This
- Inpatient medical coders
- Cardiovascular surgery coding specialists
- Clinical documentation integrity professionals
- Revenue cycle and coding compliance staff
- Health information management professionals
Codes Discussed
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