02BW4ZZExcision of Thoracic Aorta, Descending, Percutaneous Endoscopic Approach

Medical and Surgical›Heart and Great Vessels›Excision
  • Billable / Specific Code
ICD-10-PCS 02BW4ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

02BW4ZZ is a billable ICD-10-PCS procedure code for Excision of Thoracic Aorta, Descending, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 11 MS-DRGs. The root operation Excision involves cutting out or off, without replacement, a portion of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Saphenous vein harvest and other therapeutic vessel removal.

Code Identity

ICD-10-PCS Code
02BW4ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Excision of Thoracic Aorta, Descending, Percutaneous Endoscopic Approach
Short Description
Excision of Thoracic Aorta, Descending, Perc Endo Approach
Parent Code
02B

PCS Table Breakdown

Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System2Heart and Great Vessels
3OperationBExcision
4BodyPartWThoracic Aorta, Descending
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Excision, Aorta, Thoracic, Descending
Leads to this code's table

To code excision of the descending thoracic aorta, open the FY 2027 ICD-10-PCS Alphabetic Index at Excision, then the subterms Aorta, Thoracic, Descending. The index leads to table 02B, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 02BW4ZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

CAR020
Saphenous vein harvest and other therapeutic vessel removal
Clinical domain: Cardiovascular Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

38.34
Resection of vessel with anastomosis, aorta
Approximate match.

Code History

Replaced in the FY 2027 code set by:
  • 02BX4ZZ — Excision of Thor Aorta Asc, Perc Endo Approach

Similar Procedure Codes

Questions About 02BW4ZZ

Is 02BW4ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Excision of Thoracic Aorta, Descending, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 02BW4ZZ mean?

The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 2 is the Body System (Heart and Great Vessels); the 3rd character B is the Operation (Excision); the 4th character W is the BodyPart (Thoracic Aorta, Descending); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 02BW4ZZ group to?

On an inpatient stay, Excision of Thoracic Aorta, Descending, Percutaneous Endoscopic Approach maps to MS-DRGs 268, 269, 356, 357, 358, 907, 908, 909, 957, 958, 959, with relative weights from 1.3810 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 02BW4ZZ?

Under the General Equivalence Mappings, Excision of Thoracic Aorta, Descending, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 38.34 (Resection of vessel with anastomosis, aorta). The mapping is approximate, so confirm it fits the documentation.