021P4ZDBypass Pulmonary Trunk from Carotid with No Device, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 021P4ZD
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

021P4ZD is a billable ICD-10-PCS procedure code for Bypass Pulmonary Trunk from Carotid with No Device, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 12 MS-DRGs. The root operation Bypass involves altering the route of passage of the contents of a tubular body part.

Code Identity

ICD-10-PCS Code
021P4ZD
Billable Status
Yes — Valid for Submission
Code Describes
Bypass Pulmonary Trunk from Carotid with No Device, Percutaneous Endoscopic Approach
Parent Code
Short Description
Bypass Pulm Trunk from Carotid w No Dev, Perc Endo

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
4BodyPartPPulmonary Trunk
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
7QualifierDCarotid

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 021P4ZD under the General Equivalence Mappings.

39.0
Approximate match.

Code History

Replaces previously assigned code(s):
  • 02QP4ZZ — Repair Pulmonary Trunk, Percutaneous Endoscopic Approach

Similar Procedure Codes

Questions About 021P4ZD

Is 021P4ZD a billable code?

Yes. 021P4ZD is a complete seven-character ICD-10-PCS code, specific enough to report Bypass Pulmonary Trunk from Carotid with No Device, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 021P4ZD mean?

021P4ZD 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 P is the BodyPart (Pulmonary Trunk); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character D is the Qualifier (Carotid).

What MS-DRG does 021P4ZD group to?

On an inpatient stay, Bypass Pulmonary Trunk from Carotid with No Device, Percutaneous Endoscopic Approach maps to MS-DRGs 166, 167, 168, 252, 253, 254, 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 021P4ZD?

Under the General Equivalence Mappings, Bypass Pulmonary Trunk from Carotid with No Device, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 39.0. The mapping is approximate, so confirm it fits the documentation.