031J0AYBypass Left Common Carotid Artery to Upper Artery with Autologous Arterial Tissue, Open Approach

Medical and Surgical›Upper Arteries›Bypass
  • Billable / Specific Code
ICD-10-PCS 031J0AY
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

031J0AY is a billable ICD-10-PCS procedure code for Bypass Left Common Carotid Artery to Upper Artery with Autologous Arterial Tissue, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 25 MS-DRGs. The root operation Bypass involves altering the route of passage of the contents of a tubular body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Carotid endarterectomy and stenting.

Code Identity

ICD-10-PCS Code
031J0AY
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Left Common Carotid Artery to Upper Artery with Autologous Arterial Tissue, Open Approach
Short Description
Bypass L Com Carotid to Up Art with Autol Art, Open Approach
Parent Code
031

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
6DeviceAAutologous Arterial Tissue
7QualifierYUpper Artery

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Bronchial artery
Anatomy or device term that leads here
Subcostal artery
Anatomy or device term that leads here
Esophageal artery
Anatomy or device term that leads here
Autologous artery graft
Anatomy or device term that leads here
Aortic intercostal artery
Anatomy or device term that leads here
Bypass, Artery, Common Carotid, Left
Leads to this code's table

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

CAR006
Carotid endarterectomy and stenting
Clinical domain: Cardiovascular Procedures

Code History

Replaces previously assigned code(s):
  • 031J0AJ — Bypass L Com Carotid to R Extracran Art w Autol Art, Open
  • 031J0AK — Bypass L Com Carotid to L Extracran Art w Autol Art, Open

Similar Procedure Codes

Questions About 031J0AY

Is 031J0AY a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Left Common Carotid Artery to Upper Artery with Autologous Arterial Tissue, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 031J0AY mean?

The code 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 A is the Device (Autologous Arterial Tissue); the 7th character Y is the Qualifier (Upper Artery).

What MS-DRG does 031J0AY group to?

On an inpatient stay, Bypass Left Common Carotid Artery to Upper Artery with Autologous Arterial Tissue, Open Approach maps to MS-DRGs 037, 038, 039, 166, 167, 168, 209, 252, 253, 254, 423, 424, 425, 579, 580, 581, 628, 629, 630, 907, 908, 909, 957, 958, 959, with relative weights from 1.1858 to 11.5162. The MS-DRG sets the fixed Medicare payment for the stay.