021L0APBypass Left Ventricle to Pulmonary Trunk with Autologous Arterial Tissue, Open Approach

  • Billable / Specific Code
ICD-10-PCS 021L0AP
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

021L0AP is a billable ICD-10-PCS procedure code for Bypass Left Ventricle to Pulmonary Trunk 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 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

ICD-10-PCS Code
021L0AP
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Left Ventricle to Pulmonary Trunk with Autologous Arterial Tissue, Open Approach
Short Description
Bypass L Ventricle to Pulm Trunk w Autol Art, Open
Parent Code

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 System2Heart and Great Vessels
3Operation1Bypass
4BodyPartLVentricle, Left
5Approach0Open
6DeviceAAutologous Arterial Tissue
7QualifierPPulmonary Trunk

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Bypass, Ventricle, Left
Leads to this code's table
Anatomy or device term that leads here

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

CAR013
Heart and great vessel bypass procedures
Clinical domain: Cardiovascular Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

36.2
Heart revascularization by arterial implant
Approximate match.

Similar Procedure Codes

Questions About 021L0AP

Is 021L0AP a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Left Ventricle to Pulmonary Trunk with Autologous Arterial Tissue, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 021L0AP 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 0 is the Approach (Open); the 6th character A is the Device (Autologous Arterial Tissue); the 7th character P is the Qualifier (Pulmonary Trunk).

What MS-DRG does 021L0AP group to?

On an inpatient stay, Bypass Left Ventricle to Pulmonary Trunk with Autologous Arterial Tissue, Open 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 021L0AP?

Under the General Equivalence Mappings, Bypass Left Ventricle to Pulmonary Trunk with Autologous Arterial Tissue, Open Approach crosswalks to ICD-9-PCS 36.2 (Heart revascularization by arterial implant). The mapping is approximate, so confirm it fits the documentation.