031J0ZYBypass Left Common Carotid Artery to Upper Artery, Open Approach

Medical and Surgical›Upper Arteries›Bypass
  • Billable / Specific Code
ICD-10-PCS 031J0ZY
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

031J0ZY is a billable ICD-10-PCS procedure code for Bypass Left Common Carotid Artery to Upper Artery, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 24 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
031J0ZY
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Left Common Carotid Artery to Upper Artery, Open Approach
Parent Code
031
Short Description
Bypass Left Common Carotid Artery to Up Art, Open 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
4BodyPartJCommon Carotid Artery, Left
5Approach0Open
6DeviceZNo Device
7QualifierYUpper Artery

Code History

Replaces previously assigned code(s):
  • 031J0ZJ — Bypass L Com Carotid to R Extracran Art, Open Approach
  • 031J0ZK — Bypass L Com Carotid to L Extracran Art, Open Approach

Similar Procedure Codes

Questions About 031J0ZY

Is 031J0ZY a billable code?

Yes. 031J0ZY is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Left Common Carotid Artery to Upper Artery, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 031J0ZY mean?

031J0ZY 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 J is the BodyPart (Common Carotid Artery, Left); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Y is the Qualifier (Upper Artery).

What MS-DRG does 031J0ZY group to?

On an inpatient stay, Bypass Left Common Carotid Artery to Upper Artery, Open Approach maps to MS-DRGs 037, 038, 039, 166, 167, 168, 252, 253, 254, 423, 424, 425, 579, 580, 581, 628, 629, 630, 907, 908, 909, 957, 958, 959, with relative weights from 1.1755 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.