00WEX3ZRevision of Infusion Device in Cranial Nerve, External Approach

  • Billable / Specific Code
ICD-10-PCS 00WEX3Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

00WEX3Z is a billable ICD-10-PCS procedure code for Revision of Infusion Device in Cranial Nerve, 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
00WEX3Z
Billable Status
Yes — Valid for Submission
Code Describes
Revision of Infusion Device in Cranial Nerve, External Approach
Parent Code
Short Description
Revision of Infusion Device in Cranial Nrv, Extern 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 System0Central Nervous System and Cranial Nerves
3OperationWRevision
4BodyPartECranial Nerve
5ApproachXExternal
6Device3Infusion Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 00WEX3Z under the General Equivalence Mappings.

99.99
Approximate match.

Similar Procedure Codes

Questions About 00WEX3Z

Is 00WEX3Z a billable code?

Yes. 00WEX3Z is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Infusion Device in Cranial Nerve, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 00WEX3Z mean?

00WEX3Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 0 is the Body System (Central Nervous System and Cranial Nerves); the 3rd character W is the Operation (Revision); the 4th character E is the BodyPart (Cranial Nerve); the 5th character X is the Approach (External); the 6th character 3 is the Device (Infusion Device); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 00WEX3Z?

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