021V4ASBypass Superior Vena Cava to Right Pulmonary Vein with Autologous Arterial Tissue, Percutaneous Endoscopic Approach

Medical and Surgical›Heart and Great Vessels›Bypass
  • Billable / Specific Code
ICD-10-PCS 021V4AS
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

021V4AS is a billable ICD-10-PCS procedure code for Bypass Superior Vena Cava to Right Pulmonary Vein with Autologous Arterial 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
021V4AS
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Superior Vena Cava to Right Pulmonary Vein with Autologous Arterial Tissue, Percutaneous Endoscopic Approach
Parent Code
021
Short Description
Bypass Sup Vena Cava to R Pulm Vn w Autol Art, 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
4BodyPartVSuperior Vena Cava
5Approach4Percutaneous Endoscopic
6DeviceAAutologous Arterial Tissue
7QualifierSPulmonary Vein, Right

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 021V4AS under the General Equivalence Mappings.

35.82
Approximate match.

Code History

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

Similar Procedure Codes

Questions About 021V4AS

Is 021V4AS a billable code?

Yes. 021V4AS is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Superior Vena Cava to Right Pulmonary Vein with Autologous Arterial Tissue, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 021V4AS mean?

021V4AS 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 V is the BodyPart (Superior Vena Cava); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character A is the Device (Autologous Arterial Tissue); the 7th character S is the Qualifier (Pulmonary Vein, Right).

What MS-DRG does 021V4AS group to?

On an inpatient stay, Bypass Superior Vena Cava to Right Pulmonary Vein with Autologous Arterial 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 021V4AS?

Under the General Equivalence Mappings, Bypass Superior Vena Cava to Right Pulmonary Vein with Autologous Arterial Tissue, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 35.82. The mapping is approximate, so confirm it fits the documentation.