021X0ZQBypass Thoracic Aorta, Ascending/Arch to Right Pulmonary Artery, Open Approach

Medical and Surgical›Heart and Great Vessels›Bypass
  • Billable / Specific Code
ICD-10-PCS 021X0ZQ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

021X0ZQ is a billable ICD-10-PCS procedure code for Bypass Thoracic Aorta, Ascending/Arch to Right Pulmonary Artery, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 270, 271, 272. 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 Heart and great vessel bypass procedures.

Code Identity

ICD-10-PCS Code
021X0ZQ
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Thoracic Aorta, Ascending/Arch to Right Pulmonary Artery, Open Approach
Short Description
Bypass Thor Aorta Asc to R Pulm Art, Open Approach
Parent Code
021

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 System2Heart and Great Vessels
3Operation1Bypass
4BodyPartXThoracic Aorta, Ascending/Arch
5Approach0Open
6DeviceZNo Device
7QualifierQPulmonary Artery, Right

In the ICD-10-PCS Alphabetic Index

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

Aortic arch
Anatomy or device term that leads here
Aortic root
Anatomy or device term that leads here
Aortic isthmus
Anatomy or device term that leads here
Ascending aorta
Anatomy or device term that leads here
Juxtaductal aorta
Anatomy or device term that leads here
Bypass, Aorta, Thoracic, Ascending/Arch
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.

CAR013
Heart and great vessel bypass procedures
Clinical domain: Cardiovascular Procedures

Code History

Replaces previously assigned code(s):
  • 021W0ZQ — Bypass Thor Aorta Desc to R Pulm Art, Open Approach

Similar Procedure Codes

Questions About 021X0ZQ

Is 021X0ZQ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Thoracic Aorta, Ascending/Arch to Right Pulmonary Artery, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 021X0ZQ mean?

The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 2 is the Body System (Heart and Great Vessels); the 3rd character 1 is the Operation (Bypass); the 4th character X is the BodyPart (Thoracic Aorta, Ascending/Arch); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Q is the Qualifier (Pulmonary Artery, Right).

What MS-DRG does 021X0ZQ group to?

On an inpatient stay, Bypass Thoracic Aorta, Ascending/Arch to Right Pulmonary Artery, Open Approach maps to MS-DRGs 270, 271, 272, with relative weights from 2.4854 to 5.2665. The MS-DRG sets the fixed Medicare payment for the stay.