05110AYBypass Hemiazygos Vein to Upper Vein with Autologous Arterial Tissue, Open Approach
- Billable / Specific Code
05110AY is a billable ICD-10-PCS procedure code for Bypass Hemiazygos Vein to Upper Vein with Autologous Arterial Tissue, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 9 MS-DRGs. The root operation Bypass involves altering the route of passage of the contents of a tubular body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Portal and other venous bypass procedures.
Code Identity
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.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | 5 | Upper Veins |
| 3 | Operation | 1 | Bypass |
| 4 | BodyPart | 1 | Hemiazygos Vein |
| 5 | Approach | 0 | Open |
| 6 | Device | A | Autologous Arterial Tissue |
| 7 | Qualifier | Y | Upper Vein |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 05110AY
Is 05110AY a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Hemiazygos Vein to Upper Vein with Autologous Arterial Tissue, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 05110AY mean?
The code 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 1 is the BodyPart (Hemiazygos Vein); the 5th character 0 is the Approach (Open); the 6th character A is the Device (Autologous Arterial Tissue); the 7th character Y is the Qualifier (Upper Vein).
What MS-DRG does 05110AY group to?
On an inpatient stay, Bypass Hemiazygos Vein to Upper Vein with Autologous Arterial Tissue, Open Approach maps to MS-DRGs 270, 271, 272, 907, 908, 909, 957, 958, 959, with relative weights from 1.3810 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 05110AY?
Under the General Equivalence Mappings, Bypass Hemiazygos Vein to Upper Vein with Autologous Arterial Tissue, Open Approach crosswalks to ICD-9-PCS 39.23 (Other intrathoracic vascular shunt or bypass). The mapping is approximate, so confirm it fits the documentation.
