051009YBypass Azygos Vein to Upper Vein with Autologous Venous Tissue, Open Approach

  • Billable / Specific Code
ICD-10-PCS 051009Y
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

051009Y is a billable ICD-10-PCS procedure code for Bypass Azygos Vein to Upper Vein 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 9 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
051009Y
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Azygos Vein to Upper Vein with Autologous Venous Tissue, Open Approach
Parent Code
Short Description
Bypass Azygos Vein to Up Vein 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 System5Upper Veins
3Operation1Bypass
4BodyPart0Azygos Vein
5Approach0Open
6Device9Autologous Venous Tissue
7QualifierYUpper Vein

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 051009Y under the General Equivalence Mappings.

39.23
Approximate match.

Similar Procedure Codes

Questions About 051009Y

Is 051009Y a billable code?

Yes. 051009Y is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Azygos Vein to Upper Vein with Autologous Venous Tissue, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 051009Y mean?

051009Y breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 5 is the Body System (Upper Veins); the 3rd character 1 is the Operation (Bypass); the 4th character 0 is the BodyPart (Azygos Vein); the 5th character 0 is the Approach (Open); the 6th character 9 is the Device (Autologous Venous Tissue); the 7th character Y is the Qualifier (Upper Vein).

What MS-DRG does 051009Y group to?

On an inpatient stay, Bypass Azygos Vein to Upper Vein with Autologous Venous Tissue, Open Approach maps to MS-DRGs 270, 271, 272, 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 051009Y?

Under the General Equivalence Mappings, Bypass Azygos Vein to Upper Vein with Autologous Venous Tissue, Open Approach crosswalks to ICD-9-PCS 39.23. The mapping is approximate, so confirm it fits the documentation.