03120Z2Bypass Innominate Artery to Bilateral Upper Arm Artery, Open Approach
- Billable / Specific Code
03120Z2 is a billable ICD-10-PCS procedure code for Bypass Innominate Artery to Bilateral Upper Arm Artery, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 252, 253, 254. 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 | 2 | Upper Arm Artery, Bilateral |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 03120Z2 under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 03120Z2
Is 03120Z2 a billable code?
Yes. 03120Z2 is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Innominate Artery to Bilateral Upper Arm Artery, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 03120Z2 mean?
03120Z2 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 2 is the Qualifier (Upper Arm Artery, Bilateral).
What MS-DRG does 03120Z2 group to?
On an inpatient stay, Bypass Innominate Artery to Bilateral Upper Arm Artery, Open Approach maps to MS-DRGs 252, 253, 254, with relative weights from 1.7817 to 3.4883. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 03120Z2?
Under the General Equivalence Mappings, Bypass Innominate Artery to Bilateral Upper Arm Artery, Open Approach crosswalks to ICD-9-PCS 39.29. The mapping is approximate, so confirm it fits the documentation.
