04WYX0ZRevision of Drainage Device in Lower Artery, External Approach

  • Billable / Specific Code
ICD-10-PCS 04WYX0Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

04WYX0Z is a billable ICD-10-PCS procedure code for Revision of Drainage Device in Lower Artery, External 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
04WYX0Z
Billable Status
Yes — Valid for Submission
Code Describes
Revision of Drainage Device in Lower Artery, External Approach
Parent Code
Short Description
Revision of Drainage Device in Lower Artery, Extern Approac

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 System4Lower Arteries
3OperationWRevision
4BodyPartYLower Artery
5ApproachXExternal
6Device0Drainage Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 04WYX0Z under the General Equivalence Mappings.

99.99
Approximate match.

Similar Procedure Codes

Questions About 04WYX0Z

Is 04WYX0Z a billable code?

Yes. 04WYX0Z is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Drainage Device in Lower Artery, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 04WYX0Z mean?

04WYX0Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 4 is the Body System (Lower Arteries); the 3rd character W is the Operation (Revision); the 4th character Y is the BodyPart (Lower Artery); the 5th character X is the Approach (External); the 6th character 0 is the Device (Drainage Device); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 04WYX0Z?

Under the General Equivalence Mappings, Revision of Drainage Device in Lower Artery, External Approach crosswalks to ICD-9-PCS 99.99. The mapping is approximate, so confirm it fits the documentation.