021W08HBypass Thoracic Aorta, Descending to Brachial Artery with Zooplastic Tissue, Open Approach
- Billable / Specific Code
021W08H is a billable ICD-10-PCS procedure code for Bypass Thoracic Aorta, Descending to Brachial Artery with Zooplastic Tissue, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 12 MS-DRGs. The root operation Bypass involves altering the route of passage of the contents of a tubular body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Heart and great vessel bypass procedures.
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 | 1 | Bypass |
| 4 | BodyPart | W | Thoracic Aorta, Descending |
| 5 | Approach | 0 | Open |
| 6 | Device | 8 | Zooplastic Tissue |
| 7 | Qualifier | H | Brachial Artery |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Code History
- 021W08B — Bypass Thor Aorta Desc to Subclav w Zooplastic, Open
Similar Procedure Codes
Questions About 021W08H
Is 021W08H a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Thoracic Aorta, Descending to Brachial Artery with Zooplastic Tissue, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 021W08H 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 1 is the Operation (Bypass); the 4th character W is the BodyPart (Thoracic Aorta, Descending); the 5th character 0 is the Approach (Open); the 6th character 8 is the Device (Zooplastic Tissue); the 7th character H is the Qualifier (Brachial Artery).
What MS-DRG does 021W08H group to?
On an inpatient stay, Bypass Thoracic Aorta, Descending to Brachial Artery with Zooplastic Tissue, Open Approach maps to MS-DRGs 037, 038, 039, 270, 271, 272, 907, 908, 909, 957, 958, 959, with relative weights from 1.1858 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
