02163Z7Bypass Right Atrium to Left Atrium, Percutaneous Approach

Medical and Surgical›Heart and Great Vessels›Bypass
  • Billable / Specific Code
ICD-10-PCS 02163Z7
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

02163Z7 is a billable ICD-10-PCS procedure code for Bypass Right Atrium to Left Atrium, Percutaneous Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 6 MS-DRGs. The root operation Bypass involves altering the route of passage of the contents of a tubular body part. The Alphabetic Index lists this code under Balloon atrial septostomy (BAS). In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Heart and great vessel bypass procedures.

Code Identity

ICD-10-PCS Code
02163Z7
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Right Atrium to Left Atrium, Percutaneous Approach
Short Description
Bypass Right Atrium to Left Atrium, Percutaneous Approach
Same as the full description in the CMS dataset.
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
4BodyPart6Atrium, Right
5Approach3Percutaneous
6DeviceZNo Device
7Qualifier7Atrium, Left

In the ICD-10-PCS Alphabetic Index

The FY 2027 ICD-10-PCS Alphabetic Index refers to 02163Z7 as Balloon atrial septostomy (BAS). These index entries lead to this code:

Septostomy, balloon atrial
Direct entry for this code
Balloon atrial septostomy (BAS)
Direct entry for this code
Sinus venosus
Anatomy or device term that leads here
Atrium pulmonale
Anatomy or device term that leads here
Bypass, Atrium, Right
Leads to this code's table
Atrium dextrum cordis
Anatomy or device term that leads here
Left auricular appendix
Anatomy or device term that leads here
Right auricular appendix
Anatomy or device term that leads here

To code septostomy of the balloon atrial, open the FY 2027 ICD-10-PCS Alphabetic Index at Septostomy, then the subterm balloon atrial. The entry lists 02163Z7 directly as a complete, billable code.

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):
  • 02Q63ZZ — Repair Right Atrium, Percutaneous Approach

Similar Procedure Codes

Questions About 02163Z7

Is 02163Z7 a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Right Atrium to Left Atrium, Percutaneous Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What is the ICD-10-PCS code for balloon atrial septostomy (BAS)?

The ICD-10-PCS Alphabetic Index lists Balloon atrial septostomy (BAS) under code 02163Z7, Bypass Right Atrium to Left Atrium, Percutaneous Approach, billable on inpatient claims in fiscal year 2027.

What do the characters in 02163Z7 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 6 is the BodyPart (Atrium, Right); the 5th character 3 is the Approach (Percutaneous); the 6th character Z is the Device (No Device); the 7th character 7 is the Qualifier (Atrium, Left).

What MS-DRG does 02163Z7 group to?

On an inpatient stay, Bypass Right Atrium to Left Atrium, Percutaneous Approach maps to MS-DRGs 270, 271, 272, 907, 908, 909, with relative weights from 1.3810 to 5.2665. The MS-DRG sets the fixed Medicare payment for the stay.