02BW4ZXExcision of Thoracic Aorta, Descending, Percutaneous Endoscopic Approach, Diagnostic
- Billable / Specific Code
02BW4ZX is a billable ICD-10-PCS procedure code for Excision of Thoracic Aorta, Descending, Percutaneous Endoscopic Approach, Diagnostic. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 252, 253, 254. 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 Artery, vein, and great vessel procedures, NEC.
Code Identity
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.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | 2 | Heart and Great Vessels |
| 3 | Operation | B | Excision |
| 4 | BodyPart | W | Thoracic Aorta, Descending |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Z | No Device |
| 7 | Qualifier | X | Diagnostic |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
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 02BW4ZX.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Code History
- 02BX4ZX — Excision of Thor Aorta Asc, Perc Endo Approach, Diagn
Similar Procedure Codes
Questions About 02BW4ZX
Is 02BW4ZX 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, Diagnostic on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 02BW4ZX 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 X is the Qualifier (Diagnostic).
What MS-DRG does 02BW4ZX group to?
On an inpatient stay, Excision of Thoracic Aorta, Descending, Percutaneous Endoscopic Approach, Diagnostic maps to MS-DRGs 252, 253, 254, with relative weights from 1.7961 to 3.4822. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 02BW4ZX?
Under the General Equivalence Mappings, Excision of Thoracic Aorta, Descending, Percutaneous Endoscopic Approach, Diagnostic crosswalks to ICD-9-PCS 38.21 (Biopsy of blood vessel). The mapping is approximate, so confirm it fits the documentation.
