031A3ZFBypass Left Ulnar Artery to Lower Arm Vein, Percutaneous Approach

  • Billable / Specific Code
ICD-10-PCS 031A3ZF
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

031A3ZF is a billable ICD-10-PCS procedure code for Bypass Left Ulnar Artery to Lower Arm Vein, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 15 MS-DRGs. The root operation Bypass involves altering the route of passage of the contents of a tubular body part.

Code Identity

ICD-10-PCS Code
031A3ZF
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Left Ulnar Artery to Lower Arm Vein, Percutaneous Approach
Parent Code
Short Description
Bypass Left Ulnar Artery to Lower Arm Vein, Perc Approach

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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body System3Upper Arteries
3Operation1Bypass
4BodyPartAUlnar Artery, Left
5Approach3Percutaneous
6DeviceZNo Device
7QualifierFLower Arm Vein

Code History

Replaces previously assigned code(s):
  • 031A0ZF — Bypass Left Ulnar Artery to Lower Arm Vein, Open Approach

Similar Procedure Codes

Questions About 031A3ZF

Is 031A3ZF a billable code?

Yes. 031A3ZF is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Left Ulnar Artery to Lower Arm Vein, Percutaneous Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 031A3ZF mean?

031A3ZF 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 A is the BodyPart (Ulnar Artery, Left); the 5th character 3 is the Approach (Percutaneous); the 6th character Z is the Device (No Device); the 7th character F is the Qualifier (Lower Arm Vein).

What MS-DRG does 031A3ZF group to?

On an inpatient stay, Bypass Left Ulnar Artery to Lower Arm Vein, Percutaneous Approach maps to MS-DRGs 356, 357, 358, 628, 629, 630, 673, 674, 675, 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.