021709PBypass Left Atrium to Pulmonary Trunk with Autologous Venous Tissue, Open Approach

  • Billable / Specific Code
ICD-10-PCS 021709P
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

021709P is a billable ICD-10-PCS procedure code for Bypass Left Atrium to Pulmonary Trunk with Autologous Venous Tissue, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 228, 229. The root operation Bypass involves altering the route of passage of the contents of a tubular body part.

Code Identity

ICD-10-PCS Code
021709P
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Left Atrium to Pulmonary Trunk with Autologous Venous Tissue, Open Approach
Parent Code
Short Description
Bypass L Atrium to Pulm Trunk with Autol Vn, 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 System2Heart and Great Vessels
3Operation1Bypass
4BodyPart7Atrium, Left
5Approach0Open
6Device9Autologous Venous Tissue
7QualifierPPulmonary Trunk

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 021709P under the General Equivalence Mappings.

35.94
Approximate match.

Similar Procedure Codes

Questions About 021709P

Is 021709P a billable code?

Yes. 021709P is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Left Atrium to Pulmonary Trunk with Autologous Venous Tissue, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 021709P mean?

021709P 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 0 is the Approach (Open); the 6th character 9 is the Device (Autologous Venous Tissue); the 7th character P is the Qualifier (Pulmonary Trunk).

What MS-DRG does 021709P group to?

On an inpatient stay, Bypass Left Atrium to Pulmonary Trunk with Autologous Venous Tissue, Open Approach maps to MS-DRGs 228, 229, with relative weights from 3.1495 to 4.9474. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 021709P?

Under the General Equivalence Mappings, Bypass Left Atrium to Pulmonary Trunk with Autologous Venous Tissue, Open Approach crosswalks to ICD-9-PCS 35.94. The mapping is approximate, so confirm it fits the documentation.