021709UBypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Open Approach
- Billable / Specific Code
021709U is a billable ICD-10-PCS procedure code for Bypass Left Atrium to Pulmonary Vein Confluence 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 8 MS-DRGs. The root operation Bypass involves altering the route of passage of the contents of a tubular body part.
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 | 2 | Heart and Great Vessels |
| 3 | Operation | 1 | Bypass |
| 4 | BodyPart | 7 | Atrium, Left |
| 5 | Approach | 0 | Open |
| 6 | Device | 9 | Autologous Venous Tissue |
| 7 | Qualifier | U | Pulmonary Vein, Confluence |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 021709U under the General Equivalence Mappings.
Code History
Similar Procedure Codes
Questions About 021709U
Is 021709U a billable code?
Yes. 021709U is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 021709U mean?
021709U 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 U is the Qualifier (Pulmonary Vein, Confluence).
What MS-DRG does 021709U group to?
On an inpatient stay, Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Open 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 021709U?
Under the General Equivalence Mappings, Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Open Approach crosswalks to ICD-9-PCS 35.82. The mapping is approximate, so confirm it fits the documentation.
