0WHC03ZInsertion of Infusion Device into Mediastinum, Open Approach

  • Billable / Specific Code
ICD-10-PCS 0WHC03Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

0WHC03Z is a billable ICD-10-PCS procedure code for Insertion of Infusion Device into Mediastinum, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 9 MS-DRGs. The root operation Insertion involves putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part.

Code Identity

ICD-10-PCS Code
0WHC03Z
Billable Status
Yes — Valid for Submission
Code Describes
Insertion of Infusion Device into Mediastinum, Open Approach
Parent Code
Short Description
Insertion of Infusion Device into Mediastinum, Open 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 SystemWAnatomical Regions, General
3OperationHInsertion
4BodyPartCMediastinum
5Approach0Open
6Device3Infusion Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 0WHC03Z under the General Equivalence Mappings.

34.1
Approximate match.

Similar Procedure Codes

Questions About 0WHC03Z

Is 0WHC03Z a billable code?

Yes. 0WHC03Z is a complete seven-character ICD-10-PCS code, specific enough to report Insertion of Infusion Device into Mediastinum, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 0WHC03Z mean?

0WHC03Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character W is the Body System (Anatomical Regions, General); the 3rd character H is the Operation (Insertion); the 4th character C is the BodyPart (Mediastinum); the 5th character 0 is the Approach (Open); the 6th character 3 is the Device (Infusion Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 0WHC03Z group to?

On an inpatient stay, Insertion of Infusion Device into Mediastinum, Open Approach maps to MS-DRGs 166, 167, 168, 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 0WHC03Z?

Under the General Equivalence Mappings, Insertion of Infusion Device into Mediastinum, Open Approach crosswalks to ICD-9-PCS 34.1. The mapping is approximate, so confirm it fits the documentation.