021749UBypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Percutaneous Endoscopic Approach
- Billable / Specific Code
021749U is a billable ICD-10-PCS procedure code for Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 8 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 Heart and great vessel 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 | 2 | Heart and Great Vessels |
| 3 | Operation | 1 | Bypass |
| 4 | BodyPart | 7 | Atrium, Left |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | 9 | Autologous Venous Tissue |
| 7 | Qualifier | U | Pulmonary Vein, Confluence |
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.
Code History
Similar Procedure Codes
Questions About 021749U
Is 021749U a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 021749U mean?
The code 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 4 is the Approach (Percutaneous Endoscopic); the 6th character 9 is the Device (Autologous Venous Tissue); the 7th character U is the Qualifier (Pulmonary Vein, Confluence).
What MS-DRG does 021749U group to?
On an inpatient stay, Bypass Left Atrium to Pulmonary Vein Confluence with Autologous Venous Tissue, Percutaneous Endoscopic Approach maps to MS-DRGs 228, 229, 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.
