021L4JRBypass Left Ventricle to Left Pulmonary Artery with Synthetic Substitute, Percutaneous Endoscopic Approach
- Billable / Specific Code
021L4JR is a billable ICD-10-PCS procedure code for Bypass Left Ventricle to Left Pulmonary Artery with Synthetic Substitute, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 228, 229. 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 | L | Ventricle, Left |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | J | Synthetic Substitute |
| 7 | Qualifier | R | Pulmonary Artery, Left |
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 021L4JR
Is 021L4JR a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Left Ventricle to Left Pulmonary Artery with Synthetic Substitute, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 021L4JR 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 L is the BodyPart (Ventricle, Left); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character J is the Device (Synthetic Substitute); the 7th character R is the Qualifier (Pulmonary Artery, Left).
What MS-DRG does 021L4JR group to?
On an inpatient stay, Bypass Left Ventricle to Left Pulmonary Artery with Synthetic Substitute, Percutaneous Endoscopic Approach maps to MS-DRGs 228, 229, with relative weights from 3.4404 to 4.9660. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 021L4JR?
Under the General Equivalence Mappings, Bypass Left Ventricle to Left Pulmonary Artery with Synthetic Substitute, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 36.2 (Heart revascularization by arterial implant). The mapping is approximate, so confirm it fits the documentation.
