02WA4RZRevision of Short-term External Heart Assist System in Heart, Percutaneous Endoscopic Approach

Medical and Surgical›Heart and Great Vessels›Revision
  • Billable / Specific Code
ICD-10-PCS 02WA4RZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

02WA4RZ is a billable ICD-10-PCS procedure code for Revision of Short-term External Heart Assist System in Heart, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Revision involves correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device.

Code Identity

ICD-10-PCS Code
02WA4RZ
Billable Status
Yes — Valid for Submission
Code Describes
Revision of Short-term External Heart Assist System in Heart, Percutaneous Endoscopic Approach
Parent Code
02W
Short Description
Revision of Ext Heart Assist in Heart, Perc Endo Approach

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
3OperationWRevision
4BodyPartAHeart
5Approach4Percutaneous Endoscopic
6DeviceRShort-term External Heart Assist System
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 02WA4RZ under the General Equivalence Mappings.

37.63
Approximate match.

Code History

Replaced in the FY 2026 code set by:
  • 02WA4RS — Revise Bivent Ext Heart Assist in Heart, Perc Endo

Similar Procedure Codes

Questions About 02WA4RZ

Is 02WA4RZ a billable code?

Yes. 02WA4RZ is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Short-term External Heart Assist System in Heart, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 02WA4RZ mean?

02WA4RZ 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 W is the Operation (Revision); the 4th character A is the BodyPart (Heart); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character R is the Device (Short-term External Heart Assist System); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 02WA4RZ?

Under the General Equivalence Mappings, Revision of Short-term External Heart Assist System in Heart, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 37.63. The mapping is approximate, so confirm it fits the documentation.