03120ZWBypass Innominate Artery to Lower Extremity Vein, Open Approach
- Billable / Specific Code
03120ZW is a billable ICD-10-PCS procedure code for Bypass Innominate Artery to Lower Extremity Vein, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 9 MS-DRGs. The root operation Bypass involves altering the route of passage of the contents of a tubular body part.
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 | 3 | Upper Arteries |
| 3 | Operation | 1 | Bypass |
| 4 | BodyPart | 2 | Innominate Artery |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | W | Lower Extremity Vein |
Code History
- 03Q20ZZ — Repair Innominate Artery, Open Approach
Similar Procedure Codes
Questions About 03120ZW
Is 03120ZW a billable code?
Yes. 03120ZW is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Innominate Artery to Lower Extremity Vein, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 03120ZW mean?
03120ZW breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 3 is the Body System (Upper Arteries); the 3rd character 1 is the Operation (Bypass); the 4th character 2 is the BodyPart (Innominate Artery); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character W is the Qualifier (Lower Extremity Vein).
What MS-DRG does 03120ZW group to?
On an inpatient stay, Bypass Innominate Artery to Lower Extremity Vein, Open Approach maps to MS-DRGs 252, 253, 254, 907, 908, 909, 957, 958, 959, with relative weights from 1.3127 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
