021749UBypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 021749U
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

021749U is a billable ICD-10-PCS procedure code for Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 8 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
021749U
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Percutaneous Endoscopic Approach
Parent Code
Short Description
Bypass L Atrium to Pulm Vn Cnfl w Autol Vn, Perc Endo

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
4BodyPart7Atrium, Left
5Approach4Percutaneous Endoscopic
6Device9Autologous Venous Tissue
7QualifierUPulmonary Vein, Confluence

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 021749U under the General Equivalence Mappings.

35.82
Approximate match.

Code History

Replaces previously assigned code(s):
  • 02QS4ZZ — Repair Right Pulmonary Vein, Perc Endo Approach
  • 02QT4ZZ — Repair Left Pulmonary Vein, Percutaneous Endoscopic Approach

Similar Procedure Codes

Questions About 021749U

Is 021749U a billable code?

Yes. 021749U is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 021749U mean?

021749U 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 7 is the BodyPart (Atrium, Left); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character 9 is the Device (Autologous Venous Tissue); the 7th character U is the Qualifier (Pulmonary Vein, Confluence).

What MS-DRG does 021749U group to?

On an inpatient stay, Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Percutaneous Endoscopic Approach maps to MS-DRGs 228, 229, 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.

What is the ICD-9-PCS equivalent of 021749U?

Under the General Equivalence Mappings, Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 35.82. The mapping is approximate, so confirm it fits the documentation.