02WA4QZRevision of Implantable Heart Assist System in Heart, Percutaneous Endoscopic Approach

ICD-10-PCS 02WA4QZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

02WA4QZ is a billable ICD-10-PCS procedure code for Revision of Implantable 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. Medicare may not cover this procedure; review the limited coverage edit.

Code Identity

ICD-10-PCS Code
02WA4QZ
Billable Status
Yes — Valid for Submission
Code Describes
Revision of Implantable Heart Assist System in Heart, Percutaneous Endoscopic Approach
Parent Code
Short Description
Revise of Implant Heart Assist in Heart, Perc Endo Approach
Medicare Coverage
Coverage alert — see Code Edits

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
6DeviceQImplantable Heart Assist System
7QualifierZNo Qualifier

Medicare Code Edits

Medicare Code Editor checks that affect claim validity for 02WA4QZ.

For certain procedures whose medical complexity and serious nature incur extraordinary associated costs, Medicare limits coverage to a portion of the cost.

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 02WA4QZ under the General Equivalence Mappings.

37.63
Approximate match.

Similar Procedure Codes

Questions About 02WA4QZ

Is 02WA4QZ a billable code?

Yes. 02WA4QZ is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Implantable Heart Assist System in Heart, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 02WA4QZ mean?

02WA4QZ 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 Q is the Device (Implantable Heart Assist System); the 7th character Z is the Qualifier (No Qualifier).

Is 02WA4QZ covered by Medicare?

Review coverage carefully. The Medicare Code Editor applies a limited coverage edit to 02WA4QZ, which can affect payment for Revision of Implantable Heart Assist System in Heart, Percutaneous Endoscopic Approach.

What is the ICD-9-PCS equivalent of 02WA4QZ?

Under the General Equivalence Mappings, Revision of Implantable 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.