AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2016 Issue 4; New/Revised ICD-10-PCS Procedure Codes, Section 0-Medical and Surgical
Thoracic Aorta, Ascending/Arch and Descending
Changes to the Medical and Surgical Section involve both new codes and revised codes. To provide greater clinical detail on the specific segment of the thoracic aorta being treated, this body part value has now been revised. New body part value “X” is specifically defined for the ascending and arch segments of the thoracic aorta. The existing body part value “W” was revised to include only the descending segment of the thoracic aorta. Prior to this change the thoracic aorta was defined with the body part “W.” From To Body Part Body Part W Thoracic...
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Article Overview
This premium article covers a coding update related to the thoracic aorta in the Medical and Surgical section of ICD-10-PCS. It explains how the thoracic aorta is anatomically segmented for coding purposes, why the update matters for procedure specificity, and which procedure tables are impacted. It is relevant to coders, CDI professionals, and compliance staff working with cardiovascular procedures and ICD-10-PCS updates.
Why This Topic Matters
Accurate identification of the thoracic aorta segment affects procedure specificity and consistency when assigning codes in heart and great vessels cases. The article helps readers understand the scope of the revision and the procedure tables where the change applies.
Article Sections
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Body part value revision for the thoracic aorta
Introduces the update to the thoracic aorta body part values and contrasts the prior and revised anatomic segmentation used in coding.
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Thoracic aorta anatomy and procedural context
Summarizes the major anatomic segments of the thoracic aorta and explains the general procedural context for work involving the ascending, arch, and descending portions.
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Affected procedure code tables
Lists the heart and great vessels procedure tables that are impacted by the coding change.
What You Will Learn
- How the thoracic aorta is divided for coding purposes
- Which broad anatomic segments are referenced in the update
- Which procedure table groups are affected by the change
- Why segment-specific coding matters for cardiovascular procedures
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation improvement specialists
- Compliance professionals
- Revenue cycle staff
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