021X0ABBypass Thoracic Aorta, Ascending/Arch to Subclavian with Autologous Arterial Tissue, Open Approach
- Billable / Specific Code
021X0AB is a billable ICD-10-PCS procedure code for Bypass Thoracic Aorta, Ascending/Arch to Subclavian with Autologous Arterial Tissue, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027).
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 | X | Thoracic Aorta, Ascending/Arch |
| 5 | Approach | 0 | Open |
| 6 | Device | A | Autologous Arterial Tissue |
| 7 | Qualifier | B | Subclavian |
Similar Procedure Codes
Questions About 021X0AB
Is 021X0AB a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Thoracic Aorta, Ascending/Arch to Subclavian with Autologous Arterial Tissue, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 021X0AB 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 X is the BodyPart (Thoracic Aorta, Ascending/Arch); the 5th character 0 is the Approach (Open); the 6th character A is the Device (Autologous Arterial Tissue); the 7th character B is the Qualifier (Subclavian).
